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// Tags: JDK1.2
// Copyright (C) 2004 Free Software Foundation, Inc.
// Written by Mark Wielaard (mark@klomp.org)
// 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.io.RandomAccessFile;
import java.io.*;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
public class setLength implements Testlet
{
public void test (TestHarness harness)
{
String tmpfile = harness.getTempDirectory()
+ File.separator + "mauve-raf.tst";
File f = new File(tmpfile);
f.delete();
try
{
RandomAccessFile raf = new RandomAccessFile(f, "rw");
harness.check(raf.length(), 0);
harness.check(raf.getFilePointer(), 0);
raf.write(new byte[] {1, 2, 3, 4, 5, 6, 7, 8} );
harness.check(raf.length(), 8);
harness.check(raf.getFilePointer(), 8);
// Truncate
raf.setLength(3);
harness.check(raf.length(), 3);
harness.check(raf.getFilePointer(), 3);
// End of file
harness.check(raf.read(), -1);
harness.check(3, raf.length());
// Expand
raf.write(10);
harness.check(raf.length(), 4);
harness.check(raf.getFilePointer(), 4);
// Expand with setLength
raf.setLength(10);
harness.check(raf.length(), 10);
harness.check(raf.getFilePointer(), 4);
// Truncate with setLength
raf.setLength(5);
harness.check(raf.length(), 5);
harness.check(raf.getFilePointer(), 4);
// Truncate with setLength before file position
raf.setLength(1);
harness.check(raf.length(), 1);
harness.check(raf.getFilePointer(), 1);
}
catch(IOException ioe)
{
harness.fail("Unexpected: " + ioe);
harness.debug(ioe);
}
finally
{
// Cleanup
f.delete();
}
}
}
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