    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: 1.1 $ $Date: 2004/07/17 19:41:05 $
    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  }