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Date: 8 Aug 2001 08:30:50 -0000
Message-ID: <20010808083050.65571.qmail@icarus.apache.org>
From: bodewig@apache.org
To: jakarta-ant-cvs@apache.org
Subject: cvs commit: jakarta-ant/src/testcases/org/apache/tools/ant/util
 FileUtilsTest.java

bodewig     01/08/08 01:30:50

  Added:       src/testcases/org/apache/tools/ant/util FileUtilsTest.java
  Log:
  testcase for FileUtils.
  
  Revision  Changes    Path
  1.1                  jakarta-ant/src/testcases/org/apache/tools/ant/util/FileUtilsTest.java
  
  Index: FileUtilsTest.java
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2001 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Ant", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  package org.apache.tools.ant.util;
  
  import java.io.*;
  
  import junit.framework.TestCase;
  
  /**
   * Tests for org.apache.tools.ant.util.FileUtils.
   *
   * @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a> 
   */
  public class FileUtilsTest extends TestCase {
  
      private File removeThis;
  
      public FileUtilsTest(String name) {
          super(name);
      }
  
      public void tearDown() {
          if (removeThis != null && removeThis.exists()) {
              removeThis.delete();
          }
      }
  
      public void testSetLastModified() throws IOException {
          FileUtils fu = FileUtils.newFileUtils();
          removeThis = new File("dummy");
          FileOutputStream fos = new FileOutputStream(removeThis);
          fos.write(new byte[0]);
          fos.close();
          long modTime = removeThis.lastModified();
          assertTrue(modTime != 0);
  
          /*
           * Sleep for some time to make sure a touched file would get a
           * more recent timestamp according to the file system's
           * granularity (should be > 2s to account for Windows FAT).
           */
          try {
              Thread.currentThread().sleep(5000);
          } catch (InterruptedException ie) {
              fail(ie.getMessage());
          }
  
          fu.setFileLastModified(removeThis, -1);
          long secondModTime = removeThis.lastModified();
          try {
              Class.forName("java.lang.ThreadLocal");
              assertTrue(secondModTime > modTime);
          } catch (ClassNotFoundException e) {
              // JDK 1.1
              assertEquals(modTime, secondModTime);
          }
          
  
          fu.setFileLastModified(removeThis, 123456);
          long thirdModTime = removeThis.lastModified();
          try {
              Class.forName("java.lang.ThreadLocal");
              /*
               * I would love to compare this with 123456, but depending on
               * the filesystems granularity it can take an arbitrary value.
               *
               * Just assert the time has changed.
               */
              assertTrue(thirdModTime != secondModTime);
          } catch (ClassNotFoundException e) {
              // JDK 1.1
              assertEquals(modTime, thirdModTime);
          }
      }
  
  }