ConstantsTests


1   /*
2    * Copyright 2002-2005 the original author or authors.
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.springframework.core;
18  
19  import java.util.Set  ;
20  
21  import junit.framework.TestCase;
22  
23  /**
24   * @author Rod Johnson
25   * @author Juergen Hoeller
26   * @since 28.04.2003
27   */
28  public class ConstantsTests extends TestCase {
29  
30      public void testConstants() {
31          Constants c = new Constants(A.class);
32          assertEquals(A.class.getName(), c.getClassName());
33          assertEquals(5, c.getSize());
34          
35          assertEquals(c.asNumber("DOG").intValue(), A.DOG);
36          assertEquals(c.asNumber("dog").intValue(), A.DOG);
37          assertEquals(c.asNumber("cat").intValue(), A.CAT);
38  
39          try {
40              c.asNumber("bogus");
41              fail("Can't get bogus field");
42          }
43          catch (ConstantException ex) {
44          }
45  
46          assertTrue(c.asString("S1").equals(A.S1));
47          try {
48              c.asNumber("S1");
49              fail("Wrong type");
50          }
51          catch (ConstantException ex) {
52          }
53  
54          Set   values = c.getValues("");
55          assertEquals(c.getSize(), values.size());
56          assertTrue(values.contains(new Integer  (0)));
57          assertTrue(values.contains(new Integer  (66)));
58          assertTrue(values.contains(""));
59  
60          values = c.getValues("D");
61          assertEquals(1, values.size());
62          assertTrue(values.contains(new Integer  (0)));
63  
64          values = c.getValuesForProperty("myProperty");
65          assertEquals(2, values.size());
66          assertTrue(values.contains(new Integer  (1)));
67          assertTrue(values.contains(new Integer  (2)));
68  
69          assertEquals(c.toCode(new Integer  (0), ""), "DOG");
70          assertEquals(c.toCode(new Integer  (0), "D"), "DOG");
71          assertEquals(c.toCode(new Integer  (0), "DO"), "DOG");
72          assertEquals(c.toCode(new Integer  (0), "DoG"), "DOG");
73          assertEquals(c.toCode(new Integer  (66), ""), "CAT");
74          assertEquals(c.toCode(new Integer  (66), "C"), "CAT");
75          assertEquals(c.toCode(new Integer  (66), "ca"), "CAT");
76          assertEquals(c.toCode(new Integer  (66), "cAt"), "CAT");
77          assertEquals(c.toCode("", ""), "S1");
78          assertEquals(c.toCode("", "s"), "S1");
79          assertEquals(c.toCode("", "s1"), "S1");
80          try {
81              c.toCode("bogus", "bogus");
82              fail("Should have thrown ConstantException");
83          }
84          catch (ConstantException ex) {
85              // expected
86          }
87  
88          assertEquals(c.toCodeForProperty(new Integer  (1), "myProperty"), "MY_PROPERTY_NO");
89          assertEquals(c.toCodeForProperty(new Integer  (2), "myProperty"), "MY_PROPERTY_YES");
90          try {
91              c.toCodeForProperty("bogus", "bogus");
92              fail("Should have thrown ConstantException");
93          }
94          catch (ConstantException ex) {
95              // expected
96          }
97      }
98      
99      
100     public static class A {
101         
102         public static final int DOG = 0;
103         public static final int CAT = 66;
104         public static final String   S1 = "";
105 
106         public static final int MY_PROPERTY_NO = 1;
107         public static final int MY_PROPERTY_YES = 2;
108 
109         /** ignore these */
110         protected static final int P = -1;
111         protected boolean f;
112         static final Object   o = new Object  ();
113     }
114 
115 }
116
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