FunctionEvaluationExceptionTest


1   /*
2    * Copyright 2004 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  
17  package org.apache.commons.math;
18  
19  import junit.framework.TestCase;
20  
21  /**
22   * @version $Revision$ $Date: 2005-02-26 05:11:52 -0800 (Sat, 26 Feb 2005) $
23   */
24  public class FunctionEvaluationExceptionTest extends TestCase {
25      
26      public void testConstructor(){
27          FunctionEvaluationException ex = new FunctionEvaluationException(0.0);
28          assertNull(ex.getCause());
29          assertNotNull(ex.getMessage());
30          assertEquals(0.0, ex.getArgument(), 0);
31      }
32      
33      public void testConstructorMessage(){
34          String   msg = "message";
35          FunctionEvaluationException  ex = new FunctionEvaluationException(0.0, msg);
36          assertNull(ex.getCause());
37          assertTrue(ex.getMessage().startsWith(msg));
38          assertTrue(ex.getMessage().indexOf("0") > 0);
39          assertEquals(0.0, ex.getArgument(), 0);
40      }
41      
42      public void testConstructorMessageCause(){
43          String   outMsg = "outer message";
44          String   inMsg = "inner message";
45          Exception   cause = new Exception  (inMsg);
46          FunctionEvaluationException ex = new FunctionEvaluationException(0, outMsg, cause);
47          assertTrue(ex.getMessage().startsWith(outMsg));
48          assertTrue(ex.getMessage().indexOf("0") > 0);
49          assertEquals(cause, ex.getCause());
50          assertEquals(0.0, ex.getArgument(), 0);
51      }
52  }
53
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