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<?xml version="1.0" encoding="ISO-8859-1"?>
<document>
<head>
    <name>Using IFTC</name>
    <doc-version>$Date: 2003/05/04 06:40:13 $</doc-version>
    <author>Matt Albrecht</author>
</head>
<body>
<!--
The code in this document were generated with the jEdit "Code2HTML" plugin.
-->
<P>
This document will build a fairly complex and very contrived example
application, along with simple sample tests to show how to use the IFTC
in complicated and simple hierarchies.
</P>
<P>
Our example app will attempt to find all CVS registered files in a path.
CVS is a common Source Control Repository used in this project and many
other open source projects, but the description of its files beyond what this
document uses is beyond this document's scope.  This app will not recurse
directories, but rather scan a depth of directories, as if the user was
navigating through them in a shell via the "chdir" command ala UN*X or DOS.
</P>
<P>
I won't follow the XP methodology in this article.  I'll present the project
source code, then follow it up with the tests.  One could just as easily
show the tests first, then the code, but I feel that it makes the tests
clearer by showing the code first.  This is important to this article because
the focus is on tests, not the project source it tests.
</P>

<section>The IFileVisitor Interface</section>
<P>
We start by creating an interface that does something with each discovered
CVS file.  We will, however, make it generic enough that the visitor pattern
it represents can be used by any project.
<!--
public interface IFileVisitor {
    public void visitFile( String fileName );
}
-->
<PRE CLASS="javaCode">
<SPAN CLASS="gutter">   1:</SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">interface</SPAN><SPAN CLASS="syntax125"> </SPAN>IFileVisitor<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   2:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">visitFile</SPAN>(<SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>fileName<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">   3:</SPAN><SPAN CLASS="syntax11">}</SPAN>
</PRE>
We'll put a "contract" on this interface such that all implementations should
throw an <tt>IllegalArgumentException</tt> whenever a <tt>null</tt> or invalid
file name is encountered.  Since this interface can be used by any application,
not just our CVS application, we'll make our interface test be usable by any
application that conforms to our contract.
</P>
<P>
<!--
public class IFileVisitorTestI extends InterfaceTestCase {
    private static final Class THIS_CLASS = IFileVisitorTestI.class;

    public IFileVisitorTestI( String name, ImplFactory f ) {
        super( name, IFileVisitor.class, f );
    }

    protected IFileVisitor createIFileVisitor(){
        return (IFileVisitor)createImplObject();
    }
    
    public void testVisitFile1() {
        IFileVisitor fv = createIFileVisitor();
        try {
            fv.visitFile( "" );
            fail( "Did not throw IllegalArgumentException." );
        } catch (IllegalArgumentException iae) {}
    }

    public void testVisitFile2() {
        IFileVisitor fv = createIFileVisitor();
        try {
            fv.visitFile( null );
            fail( "Did not throw IllegalArgumentException." );
        } catch (IllegalArgumentException iae) {}
    }

    public static InterfaceTestSuite suite() {
        return new InterfaceTestSuite( THIS_CLASS );
    }
}
-->
<PRE CLASS="javaCode">
<SPAN CLASS="gutter">   1:</SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">class</SPAN><SPAN CLASS="syntax125"> </SPAN>IFileVisitorTestI<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">extends</SPAN><SPAN CLASS="syntax125"> </SPAN>InterfaceTestCase<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   2:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">private</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">static</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">final</SPAN><SPAN CLASS="syntax125"> </SPAN>Class<SPAN CLASS="syntax125"> </SPAN>THIS_CLASS<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN>IFileVisitorTestI.<SPAN CLASS="syntax8">class</SPAN>;
<SPAN CLASS="gutter">   3:</SPAN>
<SPAN CLASS="gutter">   4:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">IFileVisitorTestI</SPAN>(<SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>name,<SPAN CLASS="syntax125"> </SPAN>ImplFactory<SPAN CLASS="syntax125"> </SPAN>f<SPAN CLASS="syntax125"> </SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutterH">A  5:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">super</SPAN>(<SPAN CLASS="syntax125"> </SPAN>name,<SPAN CLASS="syntax125"> </SPAN>IFileVisitor.<SPAN CLASS="syntax8">class</SPAN>,<SPAN CLASS="syntax125"> </SPAN>f<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">   6:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">   7:</SPAN>
<SPAN CLASS="gutter">   8:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">protected</SPAN><SPAN CLASS="syntax125"> </SPAN>IFileVisitor<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">createIFileVisitor</SPAN>()<SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">B  9:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">return</SPAN><SPAN CLASS="syntax125"> </SPAN>(IFileVisitor)<SPAN CLASS="syntax9">createImplObject</SPAN>();
<SPAN CLASS="gutterH">  10:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  11:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">  12:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">testVisitFile1</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  13:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>IFileVisitor<SPAN CLASS="syntax125"> </SPAN>fv<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">createIFileVisitor</SPAN>();
<SPAN CLASS="gutter">  14:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">try</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutterH">  15:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>fv.<SPAN CLASS="syntax9">visitFile</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  16:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">fail</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">Did</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">not</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">throw</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">IllegalArgumentException.</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  17:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">catch</SPAN><SPAN CLASS="syntax125"> </SPAN>(IllegalArgumentException<SPAN CLASS="syntax125"> </SPAN>iae)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  18:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  19:</SPAN>
<SPAN CLASS="gutterH">  20:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">testVisitFile2</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  21:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>IFileVisitor<SPAN CLASS="syntax125"> </SPAN>fv<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">createIFileVisitor</SPAN>();
<SPAN CLASS="gutter">  22:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">try</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  23:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>fv.<SPAN CLASS="syntax9">visitFile</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">null</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  24:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">fail</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">Did</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">not</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">throw</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">IllegalArgumentException.</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutterH">  25:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">catch</SPAN><SPAN CLASS="syntax125"> </SPAN>(IllegalArgumentException<SPAN CLASS="syntax125"> </SPAN>iae)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  26:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  27:</SPAN>
<SPAN CLASS="gutter">  28:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">static</SPAN><SPAN CLASS="syntax125"> </SPAN>InterfaceTestSuite<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">suite</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">C 29:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">return</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">InterfaceTestSuite</SPAN>(<SPAN CLASS="syntax125"> </SPAN>THIS_CLASS<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutterH">  30:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  31:</SPAN><SPAN CLASS="syntax11">}</SPAN>
</PRE>
There are three things to note about this test:
<UL>
    <definition term="A"> The constructor must follow this signature.  It calls
    to the super class' constructor with the passed-in information, along with
    the class of the interface or class that this test will expect from the
    <tt>createImplObject</tt> method.</definition>
    <definition term="B"> Usage of a helper method to perform casting on the
    owned factory.</definition>
    <definition term="C"> The new format of the <tt>suite()</tt> method may
    take any form the test writer likes, since interface tests cannot be
    directly instantiated and tested by JUnit.  In this case, it makes sense
    to have the <tt>suite()</tt> method take the standard JUnit form, so that
    users can more easily use the familiar form.  Also, the returned type is a
    <tt>InterfaceTestSuite</tt>, so that no unnecessary casting needs to be
    done.</definition>
</UL>
</P>

<section>A Class To Help Debugging</section>
<P>
For the sake of example, we'll create a prototype visitor of the above
interface to help users test and debug their code.
<!--
public class LoggingFileVisitor implements IFileVisitor {
    private PrintStream out;
    public LoggingFileVisitor( PrintStream ps ) {
        if (ps == null) throw new IllegalArgumentException();
        this.out = ps;
    }

    public void visitFile( String s ) {
        if (s == null || s.length() <= 0) throw new IllegalArgumentException();
        this.out.println( "Visited " + s );
    }
}
-->
<PRE CLASS="javaCode">
<SPAN CLASS="gutter">   1:</SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">class</SPAN><SPAN CLASS="syntax125"> </SPAN>LoggingFileVisitor<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">implements</SPAN><SPAN CLASS="syntax125"> </SPAN>IFileVisitor<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   2:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">private</SPAN><SPAN CLASS="syntax125"> </SPAN>PrintStream<SPAN CLASS="syntax125"> </SPAN>out;
<SPAN CLASS="gutter">   3:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">LoggingFileVisitor</SPAN>(<SPAN CLASS="syntax125"> </SPAN>PrintStream<SPAN CLASS="syntax125"> </SPAN>ps<SPAN CLASS="syntax125"> </SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   4:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">if</SPAN><SPAN CLASS="syntax125"> </SPAN>(ps<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">null</SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">throw</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">IllegalArgumentException</SPAN>();
<SPAN CLASS="gutterH">   5:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">this</SPAN>.out<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN>ps;
<SPAN CLASS="gutter">   6:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">   7:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">   8:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">visitFile</SPAN>(<SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>s<SPAN CLASS="syntax125"> </SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   9:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">if</SPAN><SPAN CLASS="syntax125"> </SPAN>(s<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">null</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">|</SPAN><SPAN CLASS="syntax11">|</SPAN><SPAN CLASS="syntax125"> </SPAN>s.<SPAN CLASS="syntax9">length</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">&lt;=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax12">0</SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">throw</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">IllegalArgumentException</SPAN>();
<SPAN CLASS="gutterH">  10:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">this</SPAN>.out.<SPAN CLASS="syntax9">println</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">Visited</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax11">+</SPAN>s<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  11:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  12:</SPAN><SPAN CLASS="syntax11">}</SPAN>
</PRE>
</P>
<P>
The test for this code can use the interface's tests to aid in ensuring that
the new class conforms to the interface's contract.
<!--
public class LoggingFileVisitorTest extends TestCase {
    private static final Class THIS_CLASS = LoggingFileVisitorTest.class;
        
    public void testConstructor1() {
        try {
            new LoggingFileVisitor( null );
            fail( "Did not throw IllegalArgumentException." );
        } catch (IllegalArgumentException) {}
    }

    public void testVisitFile1() {
        StringWriter sw = new StringWriter();
        LoggingFileVisitor fv = new LoggingFileVisitor( new PrintStream(
            sw, true ) );
        fv.visitFile( "a" );
        assertEquals( sw.toString(), "Visited a" );
    }
    
    public static Test suite() {
        InterfaceTestSuite suite = IFileVisitorTestI.suite();
        suite.addFactory( new ImplFactory() {
            public Object createImplObject() {
                return new LoggingFileVisitor( System.out );
            } } );
        suite.addTestSuite( THIS_CLASS );
        return suite;
    }
}
-->
<PRE CLASS="javaCode">
<SPAN CLASS="gutter">   1:</SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">class</SPAN><SPAN CLASS="syntax125"> </SPAN>LoggingFileVisitorTest<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">extends</SPAN><SPAN CLASS="syntax125"> </SPAN>TestCase<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   2:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">private</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">static</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">final</SPAN><SPAN CLASS="syntax125"> </SPAN>Class<SPAN CLASS="syntax125"> </SPAN>THIS_CLASS<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN>LoggingFileVisitorTest.<SPAN CLASS="syntax8">class</SPAN>;
<SPAN CLASS="gutter">   3:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">LoggingFileVisitorTest</SPAN>(<SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>name<SPAN CLASS="syntax125"> </SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   4:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">super</SPAN>(<SPAN CLASS="syntax125"> </SPAN>name<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutterH">   5:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">   6:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">   7:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">testConstructor1</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   8:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">try</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   9:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">LoggingFileVisitor</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">null</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutterH">  10:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">fail</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">Did</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">not</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">throw</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">IllegalArgumentException.</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  11:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">catch</SPAN><SPAN CLASS="syntax125"> </SPAN>(IllegalArgumentException)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  12:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  13:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">  14:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">testVisitFile1</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutterH">  15:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>StringWriter<SPAN CLASS="syntax125"> </SPAN>sw<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">StringWriter</SPAN>();
<SPAN CLASS="gutter">  16:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>LoggingFileVisitor<SPAN CLASS="syntax125"> </SPAN>fv<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">LoggingFileVisitor</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">PrintStream</SPAN>(
<SPAN CLASS="gutter">  17:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>sw,<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">true</SPAN><SPAN CLASS="syntax125"> </SPAN>)<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  18:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>fv.<SPAN CLASS="syntax9">visitFile</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">a</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  19:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">assertEquals</SPAN>(<SPAN CLASS="syntax125"> </SPAN>sw.<SPAN CLASS="syntax9">toString</SPAN>(),<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">Visited</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">a</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutterH">  20:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  21:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">  22:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">static</SPAN><SPAN CLASS="syntax125"> </SPAN>Test<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">suite</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">A 23:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>InterfaceTestSuite<SPAN CLASS="syntax125"> </SPAN>suite<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN>IFileVisitorTestI.<SPAN CLASS="syntax9">suite</SPAN>();
<SPAN CLASS="gutter">  24:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>suite.<SPAN CLASS="syntax9">addFactory</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">ImplFactory</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutterH">B 25:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN>Object<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">createImplObject</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  26:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">return</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">LoggingFileVisitor</SPAN>(<SPAN CLASS="syntax125"> </SPAN>System.out<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  27:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">C 28:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>suite.<SPAN CLASS="syntax9">addTestSuite</SPAN>(<SPAN CLASS="syntax125"> </SPAN>THIS_CLASS<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  29:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">return</SPAN><SPAN CLASS="syntax125"> </SPAN>suite;
<SPAN CLASS="gutterH">  30:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  31:</SPAN><SPAN CLASS="syntax11">}</SPAN>
</PRE>
The three points of interest in this test class are:
<UL>
    <definition term="A"> Since <tt>LoggingFileVisitor</tt> inherits from
    ("implements" technically) <tt>IFileVisitor</tt>, the concrete test
    "inherits" the tests from <tt>IFileVisitorTestI</tt> by pulling in its
    test suite. 
    </definition>
    <definition term="B"> These inherited tests are executed in the
    context of <tt>LoggingFileVisitor</tt> by 
    </definition>
    <definition term="C"> The tests defined in the concrete test class are
    added to the suite, and interpreted just like the standard JUnit
    <tt>TestSuite</tt> does.
    </definition>
</UL>
</P>

<section>The IDirectoryVisitor Interface</section>
<P>
Now we'll create an interface to handle the visitor pattern for directories.
Since CVS stores the listing of checked-out files locally in a file called
"CVS/Entries" under each module directory, the final implementation will use
this to check if the entered directory is a valid CVS module dir.  Also, to
add double-duty and bad design, this interface will handle the state of the
current directory the user is in.  Any non-null, non-empty directory can be
pushed, put only the valid ones will be processed.
<!--
public interface IDirectoryVisitor {
    public void pushDir( String name );
    public void popDir();
    public String getCurrentDirectory();
    public void visitCurrentDir();
}
-->
<PRE CLASS="javaCode">
<SPAN CLASS="gutter">   1:</SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">interface</SPAN><SPAN CLASS="syntax125"> </SPAN>IDirectoryVisitor<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   2:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">pushDir</SPAN>(<SPAN CLASS="syntax125"> </SPAN>Stirng<SPAN CLASS="syntax125"> </SPAN>name<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">   3:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">popDir</SPAN>();
<SPAN CLASS="gutter">   4:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">getCurrentDirectory</SPAN>();
<SPAN CLASS="gutterH">   5:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">visitCurrentDir</SPAN>();
<SPAN CLASS="gutter">   6:</SPAN><SPAN CLASS="syntax11">}</SPAN>
</PRE>
</P>
<P>
Here's the test:
<!--
public class IDirectoryVisitorTestI extends InterfaceTestCase {
    private static final THIS_CLASS = IDirectoryVisitorTestI.class;
    public IDirectoryVisitorTestI( String name, ImplFactory f ) {
        super( name, IDirectoryVisitor.class, f );
    }
    
    protected IDirectoryVisitor createIDirectoryVisitor() {
        return (IDirectoryVisitor)createImplObject();
    }
    
    public void testPushDir1() {
        IDirectoryVisitor dv = createIDirectoryVisitor();
        try {
            dv.pushDir( null );
            fail( "Did not throw IllegalArgumentException." );
        } catch (IllegalArgumentException e) {}
    }
    
    public void testPushDir2() {
        IDirectoryVisitor dv = createIDirectoryVisitor();
        try {
            dv.pushDir( "" );
            fail( "Did not throw IllegalArgumentException." );
        } catch (IllegalArgumentException e) {}
    }
    
    public void testPopDir1() {
        IDirectoryVisitor dv = createIDirectoryVisitor();
        try {
            dv.popDir();
            fail( "Did not throw IllegalArgumentException." );
        } catch (IllegalArgumentException e) {}
    }
    
    public void testPopDir2() {
        IDirectoryVisitor dv = createIDirectoryVisitor();
        String s = dv.getCurrentDir();
        dv.pushDir( "A" );
        dv.popDir();
        assertEquals( s, dv.getCurrentDir() );
    }
    
    public static InterfaceTestSuite suite() {
        return new InterfaceTestSuite( THIS_CLASS );
    }
}
-->
<PRE CLASS="javaCode">
<SPAN CLASS="gutter">   1:</SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">class</SPAN><SPAN CLASS="syntax125"> </SPAN>IDirectoryVisitorTestI<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">extends</SPAN><SPAN CLASS="syntax125"> </SPAN>InterfaceTestCase<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   2:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">private</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">static</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">final</SPAN><SPAN CLASS="syntax125"> </SPAN>THIS_CLASS<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN>IDirectoryVisitorTestI.<SPAN CLASS="syntax8">class</SPAN>;
<SPAN CLASS="gutter">   3:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">IDirectoryVisitorTestI</SPAN>(<SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>name,<SPAN CLASS="syntax125"> </SPAN>ImplFactory<SPAN CLASS="syntax125"> </SPAN>f<SPAN CLASS="syntax125"> </SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   4:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">super</SPAN>(<SPAN CLASS="syntax125"> </SPAN>name,<SPAN CLASS="syntax125"> </SPAN>IDirectoryVisitor.<SPAN CLASS="syntax8">class</SPAN>,<SPAN CLASS="syntax125"> </SPAN>f<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutterH">   5:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">   6:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">   7:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">protected</SPAN><SPAN CLASS="syntax125"> </SPAN>IDirectoryVisitor<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">createIDirectoryVisitor</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   8:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">return</SPAN><SPAN CLASS="syntax125"> </SPAN>(IDirectoryVisitor)<SPAN CLASS="syntax9">createImplObject</SPAN>();
<SPAN CLASS="gutter">   9:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutterH">  10:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">  11:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">testPushDir1</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  12:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>IDirectoryVisitor<SPAN CLASS="syntax125"> </SPAN>dv<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">createIDirectoryVisitor</SPAN>();
<SPAN CLASS="gutter">  13:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">try</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  14:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>dv.<SPAN CLASS="syntax9">pushDir</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">null</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutterH">  15:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">fail</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">Did</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">not</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">throw</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">IllegalArgumentException.</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  16:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">catch</SPAN><SPAN CLASS="syntax125"> </SPAN>(IllegalArgumentException<SPAN CLASS="syntax125"> </SPAN>e)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  17:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  18:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">  19:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">testPushDir2</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutterH">  20:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>IDirectoryVisitor<SPAN CLASS="syntax125"> </SPAN>dv<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">createIDirectoryVisitor</SPAN>();
<SPAN CLASS="gutter">  21:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">try</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  22:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>dv.<SPAN CLASS="syntax9">pushDir</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  23:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">fail</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">Did</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">not</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">throw</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">IllegalArgumentException.</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  24:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">catch</SPAN><SPAN CLASS="syntax125"> </SPAN>(IllegalArgumentException<SPAN CLASS="syntax125"> </SPAN>e)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutterH">  25:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  26:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">  27:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">testPopDir1</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  28:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>IDirectoryVisitor<SPAN CLASS="syntax125"> </SPAN>dv<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">createIDirectoryVisitor</SPAN>();
<SPAN CLASS="gutter">  29:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">try</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutterH">  30:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>dv.<SPAN CLASS="syntax9">popDir</SPAN>();
<SPAN CLASS="gutter">  31:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">fail</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">Did</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">not</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">throw</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">IllegalArgumentException.</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  32:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">catch</SPAN><SPAN CLASS="syntax125"> </SPAN>(IllegalArgumentException<SPAN CLASS="syntax125"> </SPAN>e)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  33:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  34:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutterH">  35:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">testPopDir2</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  36:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>IDirectoryVisitor<SPAN CLASS="syntax125"> </SPAN>dv<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">createIDirectoryVisitor</SPAN>();
<SPAN CLASS="gutter">  37:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>s<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN>dv.<SPAN CLASS="syntax9">getCurrentDir</SPAN>();
<SPAN CLASS="gutter">  38:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>dv.<SPAN CLASS="syntax9">pushDir</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">A</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  39:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>dv.<SPAN CLASS="syntax9">popDir</SPAN>();
<SPAN CLASS="gutterH">  40:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">assertEquals</SPAN>(<SPAN CLASS="syntax125"> </SPAN>s,<SPAN CLASS="syntax125"> </SPAN>dv.<SPAN CLASS="syntax9">getCurrentDir</SPAN>()<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  41:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  42:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">  43:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">static</SPAN><SPAN CLASS="syntax125"> </SPAN>InterfaceTestSuite<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">suite</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  44:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">return</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">InterfaceTestSuite</SPAN>(<SPAN CLASS="syntax125"> </SPAN>THIS_CLASS<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutterH">  45:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  46:</SPAN><SPAN CLASS="syntax11">}</SPAN>
</PRE>
This class is very similar in structure to <tt>IFileVisitorTestI</tt>, but
this test has more complex logic it can perform that allows for more
interesting tests.
</P>

<section>IFileDirectoryVisitor Interface</section>
<P>
The next interface has a lot of assumptions about implementations.  Since it
combines a directory and file visitor together with a bad design, it expects
visited directories to visit each file in that directory.
<!--
public interface IFileDirectoryVisitor
        extends IFileVisitor, IDirectoryVisitor {
}
-->
<PRE CLASS="javaCode">
<SPAN CLASS="gutter">   1:</SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">interface</SPAN><SPAN CLASS="syntax125"> </SPAN>IFileDirectoryVisitor
<SPAN CLASS="gutter">   2:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">extends</SPAN><SPAN CLASS="syntax125"> </SPAN>IFileVisitor,<SPAN CLASS="syntax125"> </SPAN>IDirectoryVisitor<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   3:</SPAN><SPAN CLASS="syntax11">}</SPAN>
</PRE>
</P>
<P>
Since this does not define any new explicit functionality, the tests are
relatively simple.  Again, remember that this design is contrived for the
sake of example.
<!--
public class IFileDirectoryVisitorTestI extends InterfaceTestCase {
    private static final Class THIS_CLASS = IFileDirectoryVisitorTestI.class;
    public IFileDirectoryVisitorTestI( String name, ImplFactory f ) {
        super( name, IFileDirectoryVisitor.class, f );
    }
    
    protected IFileDirectoryVisitor createIFileDirectoryVisitor() {
        return (IFileDirectoryVisitor)createImplObject();
    }
    
    public void testToString1() {
        IFileDirectoryVisitor fdv = createIFileDirectoryVisitor();
        assertNotNull( fdv.toString() );
    }
    
    public static InterfaceTestSuite suite() {
        InterfaceTestSuite suite = IFileVisitorTestI.suite();
        suite.addTestSuite( IDirectoryVisitorTestI.suite() );
        suite.addTestSuite( THIS_CLASS );
        return suite;
    }
}
-->
<PRE CLASS="javaCode">
<SPAN CLASS="gutter">   1:</SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">class</SPAN><SPAN CLASS="syntax125"> </SPAN>IFileDirectoryVisitorTestI<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">extends</SPAN><SPAN CLASS="syntax125"> </SPAN>InterfaceTestCase<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   2:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">private</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">static</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">final</SPAN><SPAN CLASS="syntax125"> </SPAN>Class<SPAN CLASS="syntax125"> </SPAN>THIS_CLASS<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN>IFileDirectoryVisitorTestI.<SPAN CLASS="syntax8">class</SPAN>;
<SPAN CLASS="gutter">   3:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">IFileDirectoryVisitorTestI</SPAN>(<SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>name,<SPAN CLASS="syntax125"> </SPAN>ImplFactory<SPAN CLASS="syntax125"> </SPAN>f<SPAN CLASS="syntax125"> </SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   4:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">super</SPAN>(<SPAN CLASS="syntax125"> </SPAN>name,<SPAN CLASS="syntax125"> </SPAN>IFileDirectoryVisitor.<SPAN CLASS="syntax8">class</SPAN>,<SPAN CLASS="syntax125"> </SPAN>f<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutterH">   5:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">   6:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">   7:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">protected</SPAN><SPAN CLASS="syntax125"> </SPAN>IFileDirectoryVisitor<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">createIFileDirectoryVisitor</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   8:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">return</SPAN><SPAN CLASS="syntax125"> </SPAN>(IFileDirectoryVisitor)<SPAN CLASS="syntax9">createImplObject</SPAN>();
<SPAN CLASS="gutter">   9:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutterH">  10:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">A 11:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">testToString1</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  12:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>IFileDirectoryVisitor<SPAN CLASS="syntax125"> </SPAN>fdv<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">createIFileDirectoryVisitor</SPAN>();
<SPAN CLASS="gutter">  13:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">assertNotNull</SPAN>(<SPAN CLASS="syntax125"> </SPAN>fdv.<SPAN CLASS="syntax9">toString</SPAN>()<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  14:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutterH">  15:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">  16:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">static</SPAN><SPAN CLASS="syntax125"> </SPAN>InterfaceTestSuite<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">suite</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  17:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>InterfaceTestSuite<SPAN CLASS="syntax125"> </SPAN>suite<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN>IFileVisitorTestI.<SPAN CLASS="syntax9">suite</SPAN>();
<SPAN CLASS="gutter">B 18:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>suite.<SPAN CLASS="syntax9">addTestSuite</SPAN>(<SPAN CLASS="syntax125"> </SPAN>IDirectoryVisitorTestI.<SPAN CLASS="syntax9">suite</SPAN>()<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  19:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>suite.<SPAN CLASS="syntax9">addTestSuite</SPAN>(<SPAN CLASS="syntax125"> </SPAN>THIS_CLASS<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutterH">  20:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">return</SPAN><SPAN CLASS="syntax125"> </SPAN>suite;
<SPAN CLASS="gutter">  21:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  22:</SPAN><SPAN CLASS="syntax11">}</SPAN>
</PRE>
<UL>
    <definition term="A">
    If we did not add at least one test, then the IFTC
    would register this test class without tests as a failure.
    </definition>
    <definition term="B">
    Here, since the interface extends two interfaces, we
    simply register each's test in turn to imitate the test "inheritance"
    language defined by the framework.  The current test is registered, and
    the completed hierarchy suite is returned.  Since both inherited tests
    define in their constructor that they test classes which complement
    the <tt>IFileDirectoryVisitorTestI</tt>'s class-under-test, all suites can
    share the same registered <tt>ImplFactory</tt> instances.
    </definition>
</UL>
</P>

<section>AbstractDirectoryParser</section>
<P>
Now, let's move to an abstract, common implementation of IDirectoryVisitor.
This will parse the equivalent of the "chdir" command, translating it into
a "push", "pop", or do-nothing.  It will call out to an abstract method to
see if the entered dir is "special", and will call the visit method if it is.
<!--
public abstract class AbstractDirectoryParser implements IDirectoryVisitor {
    private Stack stack = new Stack();
    private String currDir, parentDir, sep;
    
    public AbstractDirectoryParser( String current, String parent,
            String seperator ) {
        if (current == null || parent == null || seperator == null ||
            current.length() <= 0 || parent.length() <= 0 ||
            seperator.length() <= 0 ) throw new IllegalArgumentException();
        this.currDir = current;
        this.parentDir = parent;
        this.sep = seperator;
    }
    
    public String getCurrentDir() {
        StringBuffer sb = new StringBuffer();
        Enumeration enum = this.stack.elements();
        boolean isFirst = true;
        while (enum.hasMoreElements()) {
            if (isFirst) isFirst = false;
            else sb.append( this.sep );
            
            sb.append( enum.nextElement() );
        }
        return sb.toString();
    }
    
    public void enterDir( String s ) {
        if (s == null || s.length() <= 0) throw IllegalArgumentException();
        if (s.equals( this.parentDir )) popDir();
        else if (!s.equals( this.currDir )) pushDir( s );
        if (isSpecial( getCurrentDir() )) visitCurrentDir();
    }
    
    public void pushDir( String s ) {
        if (s == null || s.length() <= 0 || s.equals( this.parentDir ) ||
            s.equals( this.currDir ) || s.equals( this.sep ))
            throw new IllegalArgumentException();
        
        this.stack.push( s );
    }
    
    public void popDir() {
        if (this.stack.size() <= 0) throw new IllegalStateException();
        this.stack.pop();
    }
    
    public abstract boolean isSpecial( String aDir );
}
-->
<PRE CLASS="javaCode">
<SPAN CLASS="gutter">   1:</SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">abstract</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">class</SPAN><SPAN CLASS="syntax125"> </SPAN>AbstractDirectoryParser<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">implements</SPAN><SPAN CLASS="syntax125"> </SPAN>IDirectoryVisitor<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   2:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">private</SPAN><SPAN CLASS="syntax125"> </SPAN>Stack<SPAN CLASS="syntax125"> </SPAN>stack<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">Stack</SPAN>();
<SPAN CLASS="gutter">   3:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">private</SPAN><SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>currDir,<SPAN CLASS="syntax125"> </SPAN>parentDir,<SPAN CLASS="syntax125"> </SPAN>sep;
<SPAN CLASS="gutter">   4:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutterH">   5:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">AbstractDirectoryParser</SPAN>(<SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>current,<SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>parent,
<SPAN CLASS="gutter">   6:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>seperator<SPAN CLASS="syntax125"> </SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   7:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">if</SPAN><SPAN CLASS="syntax125"> </SPAN>(current<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">null</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">|</SPAN><SPAN CLASS="syntax11">|</SPAN><SPAN CLASS="syntax125"> </SPAN>parent<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">null</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">|</SPAN><SPAN CLASS="syntax11">|</SPAN><SPAN CLASS="syntax125"> </SPAN>seperator<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">null</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">|</SPAN><SPAN CLASS="syntax11">|</SPAN>
<SPAN CLASS="gutter">   8:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>current.<SPAN CLASS="syntax9">length</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">&lt;=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax12">0</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">|</SPAN><SPAN CLASS="syntax11">|</SPAN><SPAN CLASS="syntax125"> </SPAN>parent.<SPAN CLASS="syntax9">length</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">&lt;=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax12">0</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">|</SPAN><SPAN CLASS="syntax11">|</SPAN>
<SPAN CLASS="gutter">   9:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>seperator.<SPAN CLASS="syntax9">length</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">&lt;=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax12">0</SPAN><SPAN CLASS="syntax125"> </SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">throw</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">IllegalArgumentException</SPAN>();
<SPAN CLASS="gutterH">  10:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">this</SPAN>.currDir<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN>current;
<SPAN CLASS="gutter">  11:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">this</SPAN>.parentDir<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN>parent;
<SPAN CLASS="gutter">  12:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">this</SPAN>.sep<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN>seperator;
<SPAN CLASS="gutter">  13:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  14:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutterH">  15:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">getCurrentDir</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  16:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>StringBuffer<SPAN CLASS="syntax125"> </SPAN>sb<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">StringBuffer</SPAN>();
<SPAN CLASS="gutter">  17:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>Enumeration<SPAN CLASS="syntax125"> </SPAN>enum<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">this</SPAN>.stack.<SPAN CLASS="syntax9">elements</SPAN>();
<SPAN CLASS="gutter">  18:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">boolean</SPAN><SPAN CLASS="syntax125"> </SPAN>isFirst<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">true</SPAN>;
<SPAN CLASS="gutter">  19:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">while</SPAN><SPAN CLASS="syntax125"> </SPAN>(enum.<SPAN CLASS="syntax9">hasMoreElements</SPAN>())<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutterH">  20:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">if</SPAN><SPAN CLASS="syntax125"> </SPAN>(isFirst)<SPAN CLASS="syntax125"> </SPAN>isFirst<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">false</SPAN>;
<SPAN CLASS="gutter">  21:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">else</SPAN><SPAN CLASS="syntax125"> </SPAN>sb.<SPAN CLASS="syntax9">append</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">this</SPAN>.sep<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  22:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">  23:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>sb.<SPAN CLASS="syntax9">append</SPAN>(<SPAN CLASS="syntax125"> </SPAN>enum.<SPAN CLASS="syntax9">nextElement</SPAN>()<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  24:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutterH">  25:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">return</SPAN><SPAN CLASS="syntax125"> </SPAN>sb.<SPAN CLASS="syntax9">toString</SPAN>();
<SPAN CLASS="gutter">  26:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  27:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">  28:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">enterDir</SPAN>(<SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>s<SPAN CLASS="syntax125"> </SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  29:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">if</SPAN><SPAN CLASS="syntax125"> </SPAN>(s<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">null</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">|</SPAN><SPAN CLASS="syntax11">|</SPAN><SPAN CLASS="syntax125"> </SPAN>s.<SPAN CLASS="syntax9">length</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">&lt;=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax12">0</SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">throw</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">IllegalArgumentException</SPAN>();
<SPAN CLASS="gutterH">  30:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">if</SPAN><SPAN CLASS="syntax125"> </SPAN>(s.<SPAN CLASS="syntax9">equals</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">this</SPAN>.parentDir<SPAN CLASS="syntax125"> </SPAN>))<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">popDir</SPAN>();
<SPAN CLASS="gutter">  31:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">else</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">if</SPAN><SPAN CLASS="syntax125"> </SPAN>(<SPAN CLASS="syntax11">!</SPAN>s.<SPAN CLASS="syntax9">equals</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">this</SPAN>.currDir<SPAN CLASS="syntax125"> </SPAN>))<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">pushDir</SPAN>(<SPAN CLASS="syntax125"> </SPAN>s<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  32:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">if</SPAN><SPAN CLASS="syntax125"> </SPAN>(<SPAN CLASS="syntax9">isSpecial</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">getCurrentDir</SPAN>()<SPAN CLASS="syntax125"> </SPAN>))<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">visitCurrentDir</SPAN>();
<SPAN CLASS="gutter">  33:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  34:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutterH">  35:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">pushDir</SPAN>(<SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>s<SPAN CLASS="syntax125"> </SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  36:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">if</SPAN><SPAN CLASS="syntax125"> </SPAN>(s<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">null</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">|</SPAN><SPAN CLASS="syntax11">|</SPAN><SPAN CLASS="syntax125"> </SPAN>s.<SPAN CLASS="syntax9">length</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">&lt;=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax12">0</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">|</SPAN><SPAN CLASS="syntax11">|</SPAN><SPAN CLASS="syntax125"> </SPAN>s.<SPAN CLASS="syntax9">equals</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">this</SPAN>.parentDir<SPAN CLASS="syntax125"> </SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">|</SPAN><SPAN CLASS="syntax11">|</SPAN>
<SPAN CLASS="gutter">  37:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>s.<SPAN CLASS="syntax9">equals</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">this</SPAN>.currDir<SPAN CLASS="syntax125"> </SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">|</SPAN><SPAN CLASS="syntax11">|</SPAN><SPAN CLASS="syntax125"> </SPAN>s.<SPAN CLASS="syntax9">equals</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">this</SPAN>.sep<SPAN CLASS="syntax125"> </SPAN>))
<SPAN CLASS="gutter">  38:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">throw</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">IllegalArgumentException</SPAN>();
<SPAN CLASS="gutter">  39:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutterH">  40:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">this</SPAN>.stack.<SPAN CLASS="syntax9">push</SPAN>(<SPAN CLASS="syntax125"> </SPAN>s<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  41:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  42:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">  43:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">popDir</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  44:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">if</SPAN><SPAN CLASS="syntax125"> </SPAN>(<SPAN CLASS="syntax4">this</SPAN>.stack.<SPAN CLASS="syntax9">size</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">&lt;=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax12">0</SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">throw</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">IllegalStateException</SPAN>();
<SPAN CLASS="gutterH">  45:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">this</SPAN>.stack.<SPAN CLASS="syntax9">pop</SPAN>();
<SPAN CLASS="gutter">  46:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  47:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">  48:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">abstract</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">boolean</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">isSpecial</SPAN>(<SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>aDir<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  49:</SPAN><SPAN CLASS="syntax11">}</SPAN>
</PRE>
</P>
<P>
We can create two test classifications for this: one that performs
"mock-object"-like testing, by creating an internal concrete class, and an
inheritable test class.  Let's start with the inheritable one.
<!--
public class AbstractDirectoryParserTestI extends InterfaceTestClass {
    private static final Class THIS_CLASS = AbstractDirectoryParserTestI.class;
    
    public interface AbstractDirectoryParserImplFactory {
        public AbstractDirectoryParser createAbstractDirectoryParser(
            String c, String p, String s );
    }
    
    public AbstractDirectoryParserTestI( String name, ImplFactory f ) {
        super( name, AbstractDirectoryParserImplFactory.class, f );
    }
    
    protected AbstractDirectoryParser createAbstractDirectoryParser(
            String curr, String parent, String sep ) {
        return ((AbstractDirectoryParserImplFactory)createImplObject()).
            createAbstractDirectoryParser( curr, parent, sep );
    }
    
    public void testGetCurrentDir1() {
        AbstractDirectoryParser adp = createAbstractDirectoryParser(
            ".", "..", "_" );
        assertEquals(
            "",
            adp.getCurrentDir() );
    }
    
    public void testGetCurrentDir2() {
        AbstractDirectoryParser adp = createAbstractDirectoryParser(
            "1", "12", "123" );
        adp.enterDir( "A" );
        adp.enterDir( "B" );
        adp.enterDir( "2" );
        adp.enterDir( "12" );
        adp.enterDir( "C" );
        adp.enterDir( "1" );
        adp.enterDir( "D" );
        assertEquals( "A123B123C123D", adp.getCurrentDir() );
    }
    
    public static void suite( InterfaceTestSuite stdFactorySuite,
            InterfaceTestSuite adpFactorySuite ) {
        stdFactorySuite.addTestSuite( IDirectoryVisitorTestI.suite() );
        adpFactorySuite.addTestSuite( THIS_CLASS );
    }
}
-->
<PRE CLASS="javaCode">
<SPAN CLASS="gutter">   1:</SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">class</SPAN><SPAN CLASS="syntax125"> </SPAN>AbstractDirectoryParserTestI<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">extends</SPAN><SPAN CLASS="syntax125"> </SPAN>InterfaceTestClass<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   2:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">private</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">static</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">final</SPAN><SPAN CLASS="syntax125"> </SPAN>Class<SPAN CLASS="syntax125"> </SPAN>THIS_CLASS<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN>AbstractDirectoryParserTestI.<SPAN CLASS="syntax8">class</SPAN>;
<SPAN CLASS="gutter">   3:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">   4:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">interface</SPAN><SPAN CLASS="syntax125"> </SPAN>AbstractDirectoryParserImplFactory<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutterH">   5:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN>AbstractDirectoryParser<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">createAbstractDirectoryParser</SPAN>(
<SPAN CLASS="gutter">   6:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>c,<SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>p,<SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>s<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">   7:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">   8:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">   9:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">AbstractDirectoryParserTestI</SPAN>(<SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>name,<SPAN CLASS="syntax125"> </SPAN>ImplFactory<SPAN CLASS="syntax125"> </SPAN>f<SPAN CLASS="syntax125"> </SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutterH">A 10:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">super</SPAN>(<SPAN CLASS="syntax125"> </SPAN>name,<SPAN CLASS="syntax125"> </SPAN>AbstractDirectoryParserImplFactory.<SPAN CLASS="syntax8">class</SPAN>,<SPAN CLASS="syntax125"> </SPAN>f<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  11:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  12:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">  13:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">protected</SPAN><SPAN CLASS="syntax125"> </SPAN>AbstractDirectoryParser<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">createAbstractDirectoryParser</SPAN>(
<SPAN CLASS="gutter">  14:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>curr,<SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>parent,<SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>sep<SPAN CLASS="syntax125"> </SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutterH">B 15:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">return</SPAN><SPAN CLASS="syntax125"> </SPAN>((AbstractDirectoryParserImplFactory)<SPAN CLASS="syntax9">createImplObject</SPAN>()).
<SPAN CLASS="gutter">  16:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">createAbstractDirectoryParser</SPAN>(<SPAN CLASS="syntax125"> </SPAN>curr,<SPAN CLASS="syntax125"> </SPAN>parent,<SPAN CLASS="syntax125"> </SPAN>sep<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  17:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  18:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">  19:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">testGetCurrentDir1</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutterH">  20:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>AbstractDirectoryParser<SPAN CLASS="syntax125"> </SPAN>adp<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">createAbstractDirectoryParser</SPAN>(
<SPAN CLASS="gutter">  21:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">.</SPAN><SPAN CLASS="syntax3">&quot;</SPAN>,<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">..</SPAN><SPAN CLASS="syntax3">&quot;</SPAN>,<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">_</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  22:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">assertEquals</SPAN>(
<SPAN CLASS="gutter">  23:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">&quot;</SPAN>,
<SPAN CLASS="gutter">  24:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>adp.<SPAN CLASS="syntax9">getCurrentDir</SPAN>()<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutterH">  25:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  26:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">  27:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">testGetCurrentDir2</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  28:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>AbstractDirectoryParser<SPAN CLASS="syntax125"> </SPAN>adp<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">createAbstractDirectoryParser</SPAN>(
<SPAN CLASS="gutter">  29:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">1</SPAN><SPAN CLASS="syntax3">&quot;</SPAN>,<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">12</SPAN><SPAN CLASS="syntax3">&quot;</SPAN>,<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">123</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutterH">  30:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>adp.<SPAN CLASS="syntax9">enterDir</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">A</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  31:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>adp.<SPAN CLASS="syntax9">enterDir</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">B</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  32:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>adp.<SPAN CLASS="syntax9">enterDir</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">2</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  33:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>adp.<SPAN CLASS="syntax9">enterDir</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">12</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  34:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>adp.<SPAN CLASS="syntax9">enterDir</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">C</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutterH">  35:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>adp.<SPAN CLASS="syntax9">enterDir</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">1</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  36:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>adp.<SPAN CLASS="syntax9">enterDir</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">D</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  37:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">assertEquals</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">A123B123C123D</SPAN><SPAN CLASS="syntax3">&quot;</SPAN>,<SPAN CLASS="syntax125"> </SPAN>adp.<SPAN CLASS="syntax9">getCurrentDir</SPAN>()<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  38:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  39:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutterH">  40:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">static</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">suite</SPAN>(<SPAN CLASS="syntax125"> </SPAN>InterfaceTestSuite<SPAN CLASS="syntax125"> </SPAN>stdFactorySuite,
<SPAN CLASS="gutter">  41:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>InterfaceTestSuite<SPAN CLASS="syntax125"> </SPAN>adpFactorySuite<SPAN CLASS="syntax125"> </SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">C 42:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>stdFactorySuite.<SPAN CLASS="syntax9">addTestSuite</SPAN>(<SPAN CLASS="syntax125"> </SPAN>IDirectoryVisitorTestI.<SPAN CLASS="syntax9">suite</SPAN>()<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  43:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>adpFactorySuite.<SPAN CLASS="syntax9">addTestSuite</SPAN>(<SPAN CLASS="syntax125"> </SPAN>THIS_CLASS<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  44:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutterH">  45:</SPAN><SPAN CLASS="syntax11">}</SPAN>
</PRE>
Like most of these tests, this one has three points of interest:
<UL>
    <definition term="A">
    Since the tests, to be "interesting", require additional knowledge of the
    starting state for the <tt>AbstractDirectoryParser</tt> under test, it
    requires subclass tests to construct an AbstractDirectoryParserImplFactory
    rather than an AbstractDirectoryParser directly.  The method
    <tt>testGetCurrentDir2()</tt> shows why this can be powerful.  Note that
    these factories may have multiple construction methods for different
    kinds of setup.
    </definition>
    <definition term="B">
    Since the test uses a factory to create <tt>AbstractDirectoryParser</tt>
    instances, the helper builder method changes accordingly.
    </definition>
    <definition term="C">
    <!-- this paragraph needs improvements -->
    Since <tt>AbstractDirectoryParser</tt> implements
    <tt>IDirectoryVisitor</tt>, <tt>AbstractDirectoryParserTestI</tt> should
    "inherit" the tests from <tt>IDirectoryVisitorTestI</tt>.  And,
    <tt>AbstractDirectoryParserTestI</tt> is an interface test, so it merely
    constructs the suite to test, but does not add factories itself.  However,
    <tt>IDirectoryVisitorTestI</tt> and <tt>AbstractDirectoryParserTestI</tt>
    use different implementation classes which are not directly related to
    each other, and as such they cannot share <tt>ImplFactory</tt> instances.
    So, <tt>AbstractDirectoryParserTestI</tt> resolves this by requiring the
    two different suites to be passed in, allowing the user of the suites to
    make the differentiation when adding the specialized factory
    implementations.  Remember, since the Interface test classes are not
    directly run by the JUnit framework, we can form the suite method however
    we want.
    </definition>
</UL>
</P>
<P>
The mock-object version of the test follows.  Note that both the above
inheritable test and the below concrete test can co-exist in the same test
class path due to the naming convention used in this document.
<!--
public class AbstractDirectoryParserTest extends TestCase {
    private static final Class THIS_CLASS = AbstractDirectoryParserTest.class;
    public AbstractDirectoryParserTest( String name ) {
        super( name );
    }
    
    private class MyADP extends AbstractDirectoryParser {
        String specialDirName = " ";
        public boolean isSpecial( String name ) {
            return name.endsWith( specialDirName );
        }
        
        int visitCount = 0;
        public void visitCurrentDir() {
            ++visitCount;
        }
    }
    
    public void testVisit1() {
        MyADP adp = new MyADP( ".", "..", "/" );
        adp.enterDir( " " );
        adp.enterDir( "." );
        adp.enterDir( "A" );
        adp.enterDir( ".." );
        adp.enterDir( " " );
        assertEquals( 4, adp.visitCount );
    }
    
    private class MyADPImplFactory
            implements AbstractDirectoryParserImplFactory {
        public AbstractDirectoryParser createAbstractDirectoryParser(
                String c, String p, String s ) {
            return new MyADP( c, p, s );
        }
    }
    
    public static Test suite() {
        InterfaceTestSuite std = new InterfaceTestSuite();
        InterfaceTestSuite dif = new InterfaceTestSuite();
        std.addFactory( new ImplFactory() {
            public Object createImplObject() {
                return new MyADP( ".", "..", "/" );
            }
        } } );
        dif.addFactory( new ImplFactory() {
            public Object createImplObject() {
                return new MyADPImplFactory();
        } } );
        AbstractDirectoryParserTestI.suite( std, dif );
        TestSuite ts = new TestSuite( THIS_CLASS );
        ts.addTestSuite( std );
        ts.addTestSuite( dif );
        return ts;
    }
}
-->
<PRE CLASS="javaCode">
<SPAN CLASS="gutter">   1:</SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">class</SPAN><SPAN CLASS="syntax125"> </SPAN>AbstractDirectoryParserTest<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">extends</SPAN><SPAN CLASS="syntax125"> </SPAN>TestCase<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   2:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">private</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">static</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">final</SPAN><SPAN CLASS="syntax125"> </SPAN>Class<SPAN CLASS="syntax125"> </SPAN>THIS_CLASS<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN>AbstractDirectoryParserTest.<SPAN CLASS="syntax8">class</SPAN>;
<SPAN CLASS="gutter">   3:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">AbstractDirectoryParserTest</SPAN>(<SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>name<SPAN CLASS="syntax125"> </SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   4:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax4">super</SPAN>(<SPAN CLASS="syntax125"> </SPAN>name<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutterH">   5:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">   6:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">   7:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">private</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">class</SPAN><SPAN CLASS="syntax125"> </SPAN>MyADP<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">extends</SPAN><SPAN CLASS="syntax125"> </SPAN>AbstractDirectoryParser<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">   8:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>specialDirName<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN>;
<SPAN CLASS="gutter">   9:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">boolean</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">isSpecial</SPAN>(<SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>name<SPAN CLASS="syntax125"> </SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutterH">  10:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">return</SPAN><SPAN CLASS="syntax125"> </SPAN>name.<SPAN CLASS="syntax9">endsWith</SPAN>(<SPAN CLASS="syntax125"> </SPAN>specialDirName<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  11:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  12:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">  13:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">int</SPAN><SPAN CLASS="syntax125"> </SPAN>visitCount<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax12">0</SPAN>;
<SPAN CLASS="gutter">  14:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">visitCurrentDir</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutterH">  15:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">+</SPAN><SPAN CLASS="syntax11">+</SPAN>visitCount;
<SPAN CLASS="gutter">  16:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  17:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  18:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">  19:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">void</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">testVisit1</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutterH">  20:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>MyADP<SPAN CLASS="syntax125"> </SPAN>adp<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">MyADP</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">.</SPAN><SPAN CLASS="syntax3">&quot;</SPAN>,<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">..</SPAN><SPAN CLASS="syntax3">&quot;</SPAN>,<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">/</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  21:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>adp.<SPAN CLASS="syntax9">enterDir</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  22:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>adp.<SPAN CLASS="syntax9">enterDir</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">.</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  23:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>adp.<SPAN CLASS="syntax9">enterDir</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">A</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  24:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>adp.<SPAN CLASS="syntax9">enterDir</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">..</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutterH">  25:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>adp.<SPAN CLASS="syntax9">enterDir</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  26:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">assertEquals</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax12">4</SPAN>,<SPAN CLASS="syntax125"> </SPAN>adp.visitCount<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  27:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  28:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">  29:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">private</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax8">class</SPAN><SPAN CLASS="syntax125"> </SPAN>MyADPImplFactory
<SPAN CLASS="gutterH">  30:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">implements</SPAN><SPAN CLASS="syntax125"> </SPAN>AbstractDirectoryParserImplFactory<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  31:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN>AbstractDirectoryParser<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">createAbstractDirectoryParser</SPAN>(
<SPAN CLASS="gutter">  32:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>c,<SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>p,<SPAN CLASS="syntax125"> </SPAN>String<SPAN CLASS="syntax125"> </SPAN>s<SPAN CLASS="syntax125"> </SPAN>)<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">A 33:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">return</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">MyADP</SPAN>(<SPAN CLASS="syntax125"> </SPAN>c,<SPAN CLASS="syntax125"> </SPAN>p,<SPAN CLASS="syntax125"> </SPAN>s<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  34:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutterH">  35:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  36:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>
<SPAN CLASS="gutter">  37:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">static</SPAN><SPAN CLASS="syntax125"> </SPAN>Test<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">suite</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">B 38:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>InterfaceTestSuite<SPAN CLASS="syntax125"> </SPAN>std<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">InterfaceTestSuite</SPAN>();
<SPAN CLASS="gutter">  39:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>InterfaceTestSuite<SPAN CLASS="syntax125"> </SPAN>dif<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">InterfaceTestSuite</SPAN>();
<SPAN CLASS="gutterH">  40:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>std.<SPAN CLASS="syntax9">addFactory</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">ImplFactory</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  41:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN>Object<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">createImplObject</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  42:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">return</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">MyADP</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">.</SPAN><SPAN CLASS="syntax3">&quot;</SPAN>,<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">..</SPAN><SPAN CLASS="syntax3">&quot;</SPAN>,<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax3">/</SPAN><SPAN CLASS="syntax3">&quot;</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  43:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutter">  44:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutterH">  45:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>dif.<SPAN CLASS="syntax9">addFactory</SPAN>(<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">ImplFactory</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  46:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">public</SPAN><SPAN CLASS="syntax125"> </SPAN>Object<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">createImplObject</SPAN>()<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">{</SPAN>
<SPAN CLASS="gutter">  47:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">return</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">MyADPImplFactory</SPAN>();
<SPAN CLASS="gutter">  48:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN><SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  49:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>AbstractDirectoryParserTestI.<SPAN CLASS="syntax9">suite</SPAN>(<SPAN CLASS="syntax125"> </SPAN>std,<SPAN CLASS="syntax125"> </SPAN>dif<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutterH">C 50:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>TestSuite<SPAN CLASS="syntax125"> </SPAN>ts<SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">=</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">new</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax9">TestSuite</SPAN>(<SPAN CLASS="syntax125"> </SPAN>THIS_CLASS<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  51:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>ts.<SPAN CLASS="syntax9">addTestSuite</SPAN>(<SPAN CLASS="syntax125"> </SPAN>std<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  52:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN>ts.<SPAN CLASS="syntax9">addTestSuite</SPAN>(<SPAN CLASS="syntax125"> </SPAN>dif<SPAN CLASS="syntax125"> </SPAN>);
<SPAN CLASS="gutter">  53:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax6">return</SPAN><SPAN CLASS="syntax125"> </SPAN>ts;
<SPAN CLASS="gutter">  54:</SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax125"> </SPAN><SPAN CLASS="syntax11">}</SPAN>
<SPAN CLASS="gutterH">  55:</SPAN><SPAN CLASS="syntax11">}</SPAN>
</PRE>
<UL>
    <definition term="A">
    We need to provide an <tt>AbstractDirectoryParserImplFactory</tt> instance,
    so this is the test's verson for the mock-object <tt>MyADP</tt>.  We could
    have just as easily provided an anonymous innner class.
    </definition>
    <definition term="B">
    We create two new <tt>InterfaceTestSuite</tt>s, load each with its own
    factory type, then pass this into the
    <tt>AbstractDirectoryParserTestI</tt> suite so it can add its appropriate
    test suites.
    </definition>
    <definition term="C">
    We join these two seperate suites inside a single <tt>TestSuite</tt>,
    then add the current test class to the suite, and return it.  Since the
    two seperate <tt>InterfaceTestSuite</tt>s remain seperate inside the
    <tt>TestSuite</tt>, they will not share factories, and there will be no
    test construction problems.
    </definition>
</UL>
</P>
</body>
</document>