Re: Patch: New Test File.getParent

[Wolfgang Baer <WBaer at gmx dot de>]

Mark Wielaard wrote:
> Hi Wolfgang,
>
> On Fri, 2005-10-28 at 20:42 +0200, Wolfgang Baer wrote:
>
> > this is a new test for File.getParent testing the special
> > case if pathname is "". This test is currently failing,
> > a fix is on the way to classpath-patches.
>
>
> It might be a good idea to turn this into a "emptyFile" test that tests
> multiple methods when invoked on new File("") which seems like a
> interesting corner case.

Here it is - patch for GNU classpath follows.

2005-10-28  Wolfgang Baer  <WBaer@gmx.de>

        * gnu/testlet/java/io/File/emptyFile.java: New test.


Regards,
Wolfgang

// Tags: JDK1.0

// Copyright (C) 2005 Free Software Foundation, Inc.
// Written by Wolfgang Baer (WBaer@gmx.de)

// 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 gnu.testlet.SimpleTestHarness;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;

import java.io.File;
import java.io.IOException;
import java.net.URL;

/**
 * Tests all methods for an empty file constructed
 * with new File("").
 */
public class emptyFile implements Testlet
{
  public void test (TestHarness harness)
  {
  	try 
	{ 
  	  SimpleTestHarness testharness = null;
  	  try 
  	  {
  		testharness = (SimpleTestHarness) harness;
  	  } 
  	  catch (ClassCastException cce)
  	  {
  		harness.fail ("Harness not an instance of SimpleTestHarness");
  		return;
  	  }

  	  String srcdirstr = testharness.getSourceDirectory();
  	  String pathseperator = File.separator;
  	  
  	  // the empty test file
  	  File testfile = new File("");  	  
  	  
  	  harness.check(testfile.getName(), "", "getName()");
      harness.check(testfile.getParent(), null, "getParent()");
      harness.check(testfile.getParentFile(), null, "getParentFile()");
      harness.check(testfile.getPath(), "", "getPath()");
      harness.check(testfile.isAbsolute(), false, "isAbsolute");
      harness.check(testfile.getAbsolutePath(), srcdirstr, "getAbsolutePath");
      harness.check(testfile.getAbsoluteFile(), new File(testfile.getAbsolutePath()), "getAbsoluteFile()");
      harness.check(testfile.getCanonicalPath(), srcdirstr, "getCanonicalPath");      
      harness.check(testfile.getCanonicalFile(), new File(testfile.getCanonicalPath()), "getCanonicalFile");
      
      harness.checkPoint("toURL");
      harness.check(testfile.toURL().toString(), "file:" + srcdirstr);
      harness.check(testfile.toURL(), new URL("file:" + srcdirstr));
      harness.check(testfile.toURL().sameFile(new URL("file", "", srcdirstr)), true);
      harness.check(testfile.toURL().getPath(), new URL("file", "", srcdirstr).getPath());
      
      harness.checkPoint("toURI");
      harness.check(testfile.toURI().toString(), "file:" + srcdirstr + pathseperator);
	  harness.check( new File(testfile.toURI()).equals(testfile.getAbsoluteFile()));
	  
	  harness.check(testfile.canRead(), false, "canRead()");
	  harness.check(testfile.canWrite(), false, "canWrite()");
	  harness.check(testfile.exists(), false, "exists()");
	  harness.check(testfile.isDirectory(), false, "isDirectory()");
	  harness.check(testfile.isFile(), false, "isFile()");
	  
	  harness.check(testfile.length(), 0, "length()");
	  harness.check(testfile.lastModified(), 0, "lastModified()");
	  
	  try
	  {
	  	testfile.createNewFile();
	  	harness.check(false, "createNewFile()");
	  }
	  catch (IOException e) 
	  {
		harness.check(true, "createNewFile()");
	  }
	  
	  harness.check(testfile.delete(), false, "delete()");
	  harness.check(testfile.list(), null, "list()");
	  harness.check(testfile.mkdir(), false, "mkdir()");
	  
	  harness.check(testfile.setReadOnly(), false, "setReadOnly()");
	  harness.check(testfile.setLastModified(1000L), false, "setLastModified()");
	  
	  harness.checkPoint("compareTo()");
	  harness.check(testfile.compareTo( new File("")),0);
	  harness.check(testfile.compareTo( new File(".")),-1);
	  
	  harness.checkPoint("equals()");
	  harness.check(testfile.equals( new File("")), true); 
	  harness.check(testfile.equals( new File(".")), false);
	
  	}
  	catch (Exception e)
	{
  	  harness.debug(e);
  	  harness.check(false);
	}  	
  }     
}