1   /*
2    * Copyright 2001-2004 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.beanutils.converters;
18  
19  import junit.framework.TestSuite;
20  
21  import org.apache.commons.beanutils.Converter;
22  
23  
24  /**
25   * Test Case for the IntegerConverter class.
26   *
27   * @author Rodney Waldhoff
28   * @version $Revision: 1.4 $ $Date: 2004/02/28 13:18:37 $
29   */
30  
31  public class IntegerConverterTestCase extends NumberConverterTestBase {
32  
33      private Converter converter = null;
34  
35      // ------------------------------------------------------------------------
36  
37      public IntegerConverterTestCase(String name) {
38          super(name);
39      }
40      
41      // ------------------------------------------------------------------------
42  
43      public void setUp() throws Exception {
44          converter = makeConverter();
45      }
46  
47      public static TestSuite suite() {
48          return new TestSuite(IntegerConverterTestCase.class);        
49      }
50  
51      public void tearDown() throws Exception {
52          converter = null;
53      }
54  
55      // ------------------------------------------------------------------------
56      
57      protected Converter makeConverter() {
58          return new IntegerConverter();
59      }
60      
61      protected Class getExpectedType() {
62          return Integer.class;
63      }
64  
65      // ------------------------------------------------------------------------
66  
67      public void testSimpleConversion() throws Exception {
68          String[] message= { 
69              "from String",
70              "from String",
71              "from String",
72              "from String",
73              "from String",
74              "from String",
75              "from String",
76              "from Byte",
77              "from Short",
78              "from Integer",
79              "from Long",
80              "from Float",
81              "from Double"
82          };
83          
84          Object[] input = { 
85              String.valueOf(Integer.MIN_VALUE),
86              "-17",
87              "-1",
88              "0",
89              "1",
90              "17",
91              String.valueOf(Integer.MAX_VALUE),
92              new Byte((byte)7),
93              new Short((short)8),
94              new Integer(9),
95              new Long(10),
96              new Float(11.1),
97              new Double(12.2)
98          };
99          
100         Integer[] expected = { 
101             new Integer(Integer.MIN_VALUE),
102             new Integer(-17),
103             new Integer(-1),
104             new Integer(0),
105             new Integer(1),
106             new Integer(17),
107             new Integer(Integer.MAX_VALUE),
108             new Integer(7),
109             new Integer(8),
110             new Integer(9),
111             new Integer(10),
112             new Integer(11),
113             new Integer(12)
114         };
115         
116         for(int i=0;i<expected.length;i++) {
117             assertEquals(message[i] + " to Integer",expected[i],converter.convert(Integer.class,input[i]));
118             assertEquals(message[i] + " to int",expected[i],converter.convert(Integer.TYPE,input[i]));
119             assertEquals(message[i] + " to null type",expected[i],converter.convert(null,input[i]));
120         }
121     }
122     
123 }
124