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From leosu...@apache.org
Subject cvs commit: jakarta-commons/attributes/unittest/src/test/org/apache/commons/attributes/test CircularDependencyTestCase.java
Date Sat, 28 Aug 2004 21:11:15 GMT
leosutic    2004/08/28 14:11:15

  Added:       attributes/unittest/src/test/org/apache/commons/attributes/test
                        CircularDependencyTestCase.java
  Log:
  Added a test for circular dependencies.
  
  Revision  Changes    Path
  1.1                  jakarta-commons/attributes/unittest/src/test/org/apache/commons/attributes/test/CircularDependencyTestCase.java
  
  Index: CircularDependencyTestCase.java
  ===================================================================
  /*
   * Copyright 2003-2004 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.attributes.test;
  
  import junit.framework.TestCase;
  
  import org.apache.commons.attributes.Attributes;
  import org.apache.commons.attributes.CircularDependencyError;
  
  public class CircularDependencyTestCase extends TestCase {
      
      /**
       * @@CircularDependencyTestCase.AttributeTwo()
       */
      public static class AttributeOne {}
      
      public static class AttributeTwo extends AttributeOne {}
      
      public void testCircularDependencies () throws Exception {
          try {
              // This should fail, because when loading attributes for Two,
              // the runtime has to get inheritable attributes from One.
              // This means it has to check if Two is Inheritable. But it
              // is already loading Two -> Circular dependency.
              Attributes.getAttributes (AttributeTwo.class);
              
              fail ();
          } catch (CircularDependencyError cde) {
              // OK.
              assertEquals ("org.apache.commons.attributes.test.CircularDependencyTestCase$AttributeTwo:"
+ 
                  "org.apache.commons.attributes.test.CircularDependencyTestCase$AttributeTwo
-> " + 
                  "org.apache.commons.attributes.test.CircularDependencyTestCase$AttributeOne
-> " +
                  "org.apache.commons.attributes.test.CircularDependencyTestCase$AttributeTwo",
cde.getMessage ());
          }
      }
  }
  
  

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