1   /*
2    $Id: InvokeGroovyMethodTest.java,v 1.9 2004/01/22 15:41:27 jstrachan Exp $
3   
4    Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
5   
6    Redistribution and use of this software and associated documentation
7    ("Software"), with or without modification, are permitted provided
8    that the following conditions are met:
9   
10   1. Redistributions of source code must retain copyright
11      statements and notices.  Redistributions must also contain a
12      copy of this document.
13  
14   2. Redistributions in binary form must reproduce the
15      above copyright notice, this list of conditions and the
16      following disclaimer in the documentation and/or other
17      materials provided with the distribution.
18  
19   3. The name "groovy" must not be used to endorse or promote
20      products derived from this Software without prior written
21      permission of The Codehaus.  For written permission,
22      please contact info@codehaus.org.
23  
24   4. Products derived from this Software may not be called "groovy"
25      nor may "groovy" appear in their names without prior written
26      permission of The Codehaus. "groovy" is a registered
27      trademark of The Codehaus.
28  
29   5. Due credit should be given to The Codehaus -
30      http://groovy.codehaus.org/
31  
32   THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
33   ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
34   NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
35   FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
36   THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
37   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
38   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
39   SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
40   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
41   STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
42   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
43   OF THE POSSIBILITY OF SUCH DAMAGE.
44  
45   */
46  
47  package org.codehaus.groovy.runtime;
48  
49  import groovy.lang.Closure;
50  import groovy.lang.MetaClass;
51  import groovy.util.GroovyTestCase;
52  
53  import java.util.ArrayList;
54  import java.util.Arrays;
55  import java.util.List;
56  
57  /***
58   * Tests method invocation
59   * 
60   * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
61   * @version $Revision: 1.9 $
62   */
63  public class InvokeGroovyMethodTest extends GroovyTestCase {
64  
65      protected Invoker invoker = new Invoker();
66      private StringBuffer buffer;
67  
68      // Method invocation tests
69      //-------------------------------------------------------------------------
70  
71      public void testInvokeMethodNoParams() throws Throwable {
72          buffer = new StringBuffer();
73  
74          List list = new ArrayList();
75          list.add("abc");
76          list.add("def");
77  
78          invoker.invokeMethod(list, "each", new Closure(this) {
79              protected Object doCall(Object arguments) {
80                  buffer.append(arguments.toString());
81                  return null;
82              }
83  
84              public MetaClass getMetaClass() {
85                  return null;
86              }
87  
88              public void setMetaClass(MetaClass metaClass) {
89              }
90          });
91  
92          assertEquals("buffer", "abcdef", buffer.toString());
93      }
94  
95      public void testMatchesWithObject() throws Throwable {
96          assertMatches(new Integer(1), new Integer(1), true);
97          assertMatches(new Integer(1), new Integer(2), false);
98      }
99  
100     public void testMatchesWithClass() throws Throwable {
101         assertMatches(new Integer(1), Integer.class, true);
102         assertMatches(new Integer(1), Number.class, true);
103         assertMatches(new Integer(1), Double.class, false);
104     }
105 
106     public void testMatchesWithList() throws Throwable {
107         assertMatches(new Integer(1), Arrays.asList(new Object[] { new Integer(2), new Integer(1)}), true);
108         assertMatches(new Integer(1), Arrays.asList(new Object[] { new Integer(2), new Integer(3)}), false);
109     }
110 
111     // Implementation methods
112     //-------------------------------------------------------------------------
113     protected void assertMatches(Object switchValue, Object caseValue, boolean expected) {
114         assertEquals(
115             "Switch on: " + switchValue + " Case: " + caseValue,
116             expected,
117             InvokerHelper.isCase(switchValue, caseValue));
118     }
119 
120 }