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// Tags: JDK1.0
// Copyright (C) 2005 David Gilbert (david.gilbert@object-refinery.com)
// This file is part of Mauve.
// Mauve is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// Mauve is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Mauve; see the file COPYING. If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA. */
package gnu.testlet.java.util.StringTokenizer;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.util.NoSuchElementException;
import java.util.StringTokenizer;
/**
* Some checks for the constructors in the {@link StringTokenizer} class.
*/
public class constructors implements Testlet
{
/**
* Runs the checks.
*
* @param harness the test harness.
*/
public void test(TestHarness harness)
{
testConstructor1(harness);
testConstructor2(harness);
testConstructor3(harness);
}
private void testConstructor1(TestHarness harness)
{
harness.checkPoint("StringTokenizer(String)");
StringTokenizer st = new StringTokenizer("one two\tthree\nfour\rfive\fsix");
harness.check(st.nextToken(), "one");
harness.check(st.nextToken(), "two");
harness.check(st.nextToken(), "three");
harness.check(st.nextToken(), "four");
harness.check(st.nextToken(), "five");
harness.check(st.nextToken(), "six");
boolean pass = false;
try
{
st.nextToken();
}
catch (NoSuchElementException e)
{
pass = true;
}
harness.check(pass);
// null argument - see 1.5 specification
pass = false;
try
{
st = new StringTokenizer(null);
}
catch (NullPointerException e)
{
pass = true;
}
harness.check(pass);
// try empty string
st = new StringTokenizer("");
harness.check(!st.hasMoreElements());
}
private void testConstructor2(TestHarness harness)
{
harness.checkPoint("StringTokenizer(String, String)");
StringTokenizer st = new StringTokenizer("one twoXthreeYfour", " XY");
harness.check(st.nextToken(), "one");
harness.check(st.nextToken(), "two");
harness.check(st.nextToken(), "three");
harness.check(st.nextToken(), "four");
boolean pass = false;
try
{
st.nextToken();
}
catch (NoSuchElementException e)
{
pass = true;
}
harness.check(pass);
// null first argument
pass = false;
try
{
st = new StringTokenizer(null, " ");
}
catch (NullPointerException e)
{
pass = true;
}
harness.check(pass);
// null second argument - here is a case of the spec being written
// to match the implementation, it says (in 1.5) NO exception should be
// thrown, but NullPointerException may follow on other operations.
pass = false;
try
{
st = new StringTokenizer("ABC DEFG", null);
try
{
/* String s = */ st.nextToken();
}
catch (NullPointerException e)
{
pass = true;
}
}
catch (NullPointerException e)
{
// failed - even though this makes sense
}
harness.check(pass);
}
private void testConstructor3(TestHarness harness)
{
harness.checkPoint("StringTokenizer(String, String, boolean)");
// try with flag = true
StringTokenizer st = new StringTokenizer("A BCXDEFYYGHI", " XY", true);
harness.check(st.nextToken(), "A");
harness.check(st.nextToken(), " ");
harness.check(st.nextToken(), "BC");
harness.check(st.nextToken(), "X");
harness.check(st.nextToken(), "DEF");
harness.check(st.nextToken(), "Y");
harness.check(st.nextToken(), "Y");
harness.check(st.nextToken(), "GHI");
harness.check(!st.hasMoreElements());
// try with flag = false
st = new StringTokenizer("A BCXDEFYYGHI", " XY", false);
harness.check(st.nextToken(), "A");
harness.check(st.nextToken(), "BC");
harness.check(st.nextToken(), "DEF");
harness.check(st.nextToken(), "GHI");
harness.check(!st.hasMoreElements());
// null first argument
boolean pass = false;
try
{
st = new StringTokenizer(null, " ", true);
}
catch (NullPointerException e)
{
pass = true;
}
harness.check(pass);
}
}
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