cvs commit: jakarta-commons/io/src/test/org/apache/commons/io/output LockableFileWriterTest.java

[ba...@apache.org]

bayard      2004/02/22 21:49:52

  Added:       io/src/test/org/apache/commons/io/output
                        LockableFileWriterTest.java
  Log:
  test for locking files
  
  Revision  Changes    Path
  1.1                  jakarta-commons/io/src/test/org/apache/commons/io/output/LockableFileWriterTest.java
  
  Index: LockableFileWriterTest.java
  ===================================================================
  /*
   * Copyright 2004 The Apache Software Foundation.
   * 
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   * 
   *      http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  
  package org.apache.commons.io.output;
  
  
  import java.io.IOException;
  
  import junit.framework.TestCase;
  
  /**
   * Tests that files really lock, although no writing is done as 
   * the locking is tested only on construction. 
   *
   * @author Henri Yandell (bayard at apache dot org)
   * @version $Revision: 1.1 $ $Date: 2004/02/23 05:49:52 $
   */
  
  public class LockableFileWriterTest extends TestCase {
  
      public LockableFileWriterTest(String name) {
          super(name);
      }
  
      public void testFileLocked() throws IOException {
          LockableFileWriter lfw = new LockableFileWriter("testlockfile");
          try {
              LockableFileWriter lfw2 = new LockableFileWriter("testlockfile");
              fail("Somehow able to open a locked file. ");
          } catch(IOException ioe) {
              String msg = ioe.getMessage();
              assertTrue( "Exception message does not start correctly. ", 
                          msg.startsWith("Can't write file, lock ") );
          }
          lfw.close();
      }
  
      public void testFileNotLocked() throws IOException {
          LockableFileWriter lfw = new LockableFileWriter("testnotlockfile");
          lfw.close();
          try {
              LockableFileWriter lfw2 = new LockableFileWriter("testnotlockfile");
              lfw2.close();
          } catch(IOException ioe) {
              String msg = ioe.getMessage();
              if( msg.startsWith("Can't write file, lock ") ) {
                  fail("Somehow unable to open a unlocked file. ");
              }
          }
      }
  
  }
  
  
  

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