1   /*
2    * Copyright 2001-2005 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */ 
16  package org.apache.commons.logging;
17  
18  import junit.framework.TestCase;
19  
20  /***
21   * Test cases for situations where getClassLoader or getContextClassLoader
22   * return null. This can happen when using JDK 1.1. It can also happen when
23   * JCL is deployed via the bootclassloader - something that could be done when
24   * using java in embedded systems.
25   */
26  public class NullClassLoaderTestCase extends TestCase {
27  
28      //---------------------- Main ---------------------------------    
29  
30      /***
31       * Main method so this test case can be run direct from the command line.
32       */
33      public static void main(String[] args){
34          String[] testCaseName = { NullClassLoaderTestCase.class.getName() };
35          junit.textui.TestRunner.main(testCaseName);
36      }
37  
38      //---------------------- unit tests ---------------------------------    
39      
40      /***
41       * This tests that when getContextClassLoader returns null, the
42       * LogFactory.getLog(name) method still correctly returns the same
43       * log object when called multiple times with the same name.
44       */
45      public void testSameLogObject() throws Exception {
46          // unfortunately, there just isn't any way to emulate JCL being
47          // accessable via the null classloader in "standard" systems, so
48          // we can't include this test in our standard unit tests.
49      }
50  }