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// Tags: JDK1.2
// Copyright (C) 2002 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.File;
import java.io.File;
import java.io.FileFilter;
import java.io.IOException;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
public class listFiles implements Testlet
{
File tmpdir;
File tmpfile;
public void test (TestHarness harness)
{
try
{
// Setup
String tmp = harness.getTempDirectory();
tmpdir = new File(tmp + File.separator + "mauve-testdir");
harness.check(tmpdir.mkdir() || tmpdir.exists(), "temp directory");
File[] list = tmpdir.listFiles();
harness.check(list.length, 0, "empty directory");
harness.debug("list.length: " + list.length);
if (list.length > 0)
harness.debug("Unexpected: " + list[0]);
list = tmpdir.listFiles((FileFilter)null);
harness.check(list.length, 0, "empty directory, null filter");
harness.debug("list.length: " + list.length);
if (list.length > 0)
harness.debug("Unexpected: " + list[0]);
// non-existing file
tmpfile = new File(tmpdir, "testfile");
harness.check(tmpfile.delete() || !tmpfile.exists(), "no temp file");
list = tmpdir.listFiles();
harness.check(list.length, 0, "no real file in dir");
harness.debug("list.length: " + list.length);
if (list.length > 0)
harness.debug("Unexpected: " + list[0]);
list = tmpdir.listFiles((FileFilter)null);
harness.check(list.length, 0, "no real file in dir, null filter");
harness.debug("list.length: " + list.length);
if (list.length > 0)
harness.debug("Unexpected: " + list[0]);
list = tmpfile.listFiles();
harness.check(list, null, "non-existing-file");
list = tmpfile.listFiles((FileFilter)null);
harness.check(list, null, "non-existing-file, null filter");
// not-a-directory
tmpfile.createNewFile();
list = tmpfile.listFiles();
harness.check(list, null, "not-a-directory");
list = tmpfile.listFiles((FileFilter)null);
harness.check(list, null, "not-a-directory, null filter");
// File in directory
list = tmpdir.listFiles();
harness.check(list != null
&& list.length == 1
&& list[0].equals(tmpfile), "one file in directory");
list = tmpdir.listFiles((FileFilter)null);
harness.check(list != null
&& list.length == 1
&& list[0].equals(tmpfile), "one file in directory"
+ ", null filter");
// For all roots it should give something.
File[] roots = File.listRoots();
for (int i = 0; i < roots.length; i++)
{
harness.check(roots[i].listFiles() != null, "root " + i);
harness.check(roots[i].listFiles((FileFilter)null) != null,
"root " + i + ", null filter");
}
}
catch(IOException ioe)
{
harness.fail("Unexpected exception: " + ioe);
harness.debug(ioe);
}
finally
{
// Cleanup
if (tmpdir != null && tmpdir.exists())
{
if (tmpfile != null && tmpfile.exists())
tmpfile.delete();
tmpdir.delete();
}
}
}
}
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