1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */ 
17  package org.apache.commons.logging;
18  
19  import junit.framework.TestCase;
20  
21  /**
22   * Test cases for situations where getClassLoader or getContextClassLoader
23   * return null. This can happen when using JDK 1.1. It can also happen when
24   * JCL is deployed via the bootclassloader - something that could be done when
25   * using java in embedded systems.
26   */
27  public class NullClassLoaderTestCase extends TestCase {
28  
29      //---------------------- Main ---------------------------------    
30  
31      /**
32       * Main method so this test case can be run direct from the command line.
33       */
34      public static void main(String[] args){
35          String[] testCaseName = { NullClassLoaderTestCase.class.getName() };
36          junit.textui.TestRunner.main(testCaseName);
37      }
38  
39      //---------------------- unit tests ---------------------------------    
40      
41      /**
42       * This tests that when getContextClassLoader returns null, the
43       * LogFactory.getLog(name) method still correctly returns the same
44       * log object when called multiple times with the same name.
45       */
46      public void testSameLogObject() throws Exception {
47          // unfortunately, there just isn't any way to emulate JCL being
48          // accessable via the null classloader in "standard" systems, so
49          // we can't include this test in our standard unit tests.
50      }
51  }