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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.commons.beanutils.converters;
19  
20  import junit.framework.TestSuite;
21  
22  import org.apache.commons.beanutils.Converter;
23  
24  
25  /**
26   * Test Case for the ShortConverter class.
27   *
28   * @version $Id$
29   */
30  
31  public class ShortConverterTestCase extends NumberConverterTestBase {
32  
33      private Converter converter = null;
34  
35      // ------------------------------------------------------------------------
36  
37      public ShortConverterTestCase(final String name) {
38          super(name);
39      }
40  
41      // ------------------------------------------------------------------------
42  
43      @Override
44      public void setUp() throws Exception {
45          converter = makeConverter();
46          numbers[0] = new Short("-12");
47          numbers[1] = new Short("13");
48          numbers[2] = new Short("-22");
49          numbers[3] = new Short("23");
50      }
51  
52      public static TestSuite suite() {
53          return new TestSuite(ShortConverterTestCase.class);
54      }
55  
56      @Override
57      public void tearDown() throws Exception {
58          converter = null;
59      }
60  
61      // ------------------------------------------------------------------------
62  
63      @Override
64      protected NumberConverter makeConverter() {
65          return new ShortConverter();
66      }
67  
68      @Override
69      protected NumberConverter makeConverter(final Object defaultValue) {
70          return new ShortConverter(defaultValue);
71      }
72  
73      @Override
74      protected Class<?> getExpectedType() {
75          return Short.class;
76      }
77  
78      // ------------------------------------------------------------------------
79  
80      public void testSimpleConversion() throws Exception {
81          final String[] message= {
82              "from String",
83              "from String",
84              "from String",
85              "from String",
86              "from String",
87              "from String",
88              "from String",
89              "from Byte",
90              "from Short",
91              "from Integer",
92              "from Long",
93              "from Float",
94              "from Double"
95          };
96  
97          final Object[] input = {
98              String.valueOf(Short.MIN_VALUE),
99              "-17",
100             "-1",
101             "0",
102             "1",
103             "17",
104             String.valueOf(Short.MAX_VALUE),
105             new Byte((byte)7),
106             new Short((short)8),
107             new Integer(9),
108             new Long(10),
109             new Float(11.1),
110             new Double(12.2)
111         };
112 
113         final Short[] expected = {
114             new Short(Short.MIN_VALUE),
115             new Short((short)-17),
116             new Short((short)-1),
117             new Short((short)0),
118             new Short((short)1),
119             new Short((short)17),
120             new Short(Short.MAX_VALUE),
121             new Short((short)7),
122             new Short((short)8),
123             new Short((short)9),
124             new Short((short)10),
125             new Short((short)11),
126             new Short((short)12)
127         };
128 
129         for(int i=0;i<expected.length;i++) {
130             assertEquals(message[i] + " to Short",expected[i],converter.convert(Short.class,input[i]));
131             assertEquals(message[i] + " to short",expected[i],converter.convert(Short.TYPE,input[i]));
132             assertEquals(message[i] + " to null type",expected[i],converter.convert(null,input[i]));
133         }
134     }
135 
136     /**
137      * Test Invalid Amounts (too big/small)
138      */
139     public void testInvalidAmount() {
140         final Converter converter = makeConverter();
141         final Class<?> clazz = Short.class;
142 
143         final Long min         = new Long(Short.MIN_VALUE);
144         final Long max         = new Long(Short.MAX_VALUE);
145         final Long minMinusOne = new Long(min.longValue() - 1);
146         final Long maxPlusOne  = new Long(max.longValue() + 1);
147 
148         // Minimum
149         assertEquals("Minimum", new Short(Short.MIN_VALUE), converter.convert(clazz, min));
150 
151         // Maximum
152         assertEquals("Maximum", new Short(Short.MAX_VALUE), converter.convert(clazz, max));
153 
154         // Too Small
155         try {
156             assertEquals("Minimum - 1", null, converter.convert(clazz, minMinusOne));
157             fail("Less than minimum, expected ConversionException");
158         } catch (final Exception e) {
159             // expected result
160         }
161 
162         // Too Large
163         try {
164             assertEquals("Maximum + 1", null, converter.convert(clazz, maxPlusOne));
165             fail("More than maximum, expected ConversionException");
166         } catch (final Exception e) {
167             // expected result
168         }
169     }
170 }
171