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/*************************************************************************
/* BasicTests.java -- CharArrayWriter basic tests.
/*
/* Copyright (c) 2002 Free Software Foundation, Inc.
/* Written by David J. King (david_king@softhome.net)
/*
/* This program 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 of the License, or
/* (at your option) any later version.
/*
/* This program 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 this program; if not, write to the Free Software Foundation
/* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 USA
/*************************************************************************/
// Tags: JDK1.1
package gnu.testlet.java.io.CharArrayWriter;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
import java.io.*;
public class BasicTests implements Testlet
{
public void
test(TestHarness harness)
{
/*
* Use several methods to write to the buffer
* and verify that the results are correct.
*/
String firstLines = "The first lines\n" +
"of the test which include \uA000 inverted question\n" +
"and \u6666 e-with-hat";
String thirdLine = "a third line";
String expected = firstLines + ' ' + "third";
CharArrayWriter writer = new CharArrayWriter();
if (writer.size() != 0)
harness.check(writer.size(), 0, "empty size");
char[] thirdLineArray = new char[thirdLine.length()];
String extractedString;
try
{
writer.write(firstLines, 0, firstLines.length());
writer.write(32);
thirdLine.getChars(0, thirdLine.length(), thirdLineArray, 0);
writer.write(thirdLineArray, 2, 5);
extractedString = writer.toString();
harness.check(extractedString, expected, "basic string");
/*
* Clear the buffer and write some more, then see if
* toCharArray works.
*/
writer.reset();
writer.write(thirdLine, 0, thirdLine.length());
}
catch (Throwable t)
{
harness.debug(t);
harness.check(false, "Unexpected exception");
extractedString = "";
}
char[] resultArray = writer.toCharArray();
boolean arrayEquals = resultArray.length == thirdLineArray.length;
if (arrayEquals)
for (int i=0; i < resultArray.length; i++)
if (resultArray[i] != thirdLineArray[i])
arrayEquals = false;
harness.checkPoint("reset string");
harness.check(arrayEquals);
/*
* Try flush and close and make sure they do nothing.
*/
try
{
writer.flush();
writer.close();
}
catch (Throwable t)
{
harness.debug(t);
harness.check(false, "Unexpected exception flush/close");
}
extractedString = writer.toString();
harness.check(extractedString, thirdLine, "flush and close");
/*
* Make another CharArrayWriter and writeTo it.
*/
CharArrayWriter secondWriter = new CharArrayWriter();
boolean pass = false;
try {
writer.writeTo(secondWriter);
extractedString = secondWriter.toString();
if (extractedString.equals(thirdLine))
pass = true;
} catch (IOException ie) {
// Nothing need be done, it is enough for pass to remain false
}
harness.checkPoint("writeTo");
harness.check(pass);
}
} // BasicTests
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