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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 FloatConverter class.
27   *
28   * @version $Id$
29   */
30  
31  public class FloatConverterTestCase extends NumberConverterTestBase {
32  
33      private Converter converter = null;
34  
35      // ------------------------------------------------------------------------
36  
37      public FloatConverterTestCase(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 Float("-12");
47          numbers[1] = new Float("13");
48          numbers[2] = new Float("-22");
49          numbers[3] = new Float("23");
50      }
51  
52      public static TestSuite suite() {
53          return new TestSuite(FloatConverterTestCase.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 FloatConverter();
66      }
67  
68      @Override
69      protected NumberConverter makeConverter(final Object defaultValue) {
70          return new FloatConverter(defaultValue);
71      }
72  
73      @Override
74      protected Class<?> getExpectedType() {
75          return Float.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(Float.MIN_VALUE),
99              "-17.2",
100             "-1.1",
101             "0.0",
102             "1.1",
103             "17.2",
104             String.valueOf(Float.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 Float[] expected = {
114             new Float(Float.MIN_VALUE),
115             new Float(-17.2),
116             new Float(-1.1),
117             new Float(0.0),
118             new Float(1.1),
119             new Float(17.2),
120             new Float(Float.MAX_VALUE),
121             new Float(7),
122             new Float(8),
123             new Float(9),
124             new Float(10),
125             new Float(11.1),
126             new Float(12.2)
127         };
128 
129         for(int i=0;i<expected.length;i++) {
130             assertEquals(
131                 message[i] + " to Float",
132                 expected[i].floatValue(),
133                 (converter.convert(Float.class,input[i])).floatValue(),
134                 0.00001);
135             assertEquals(
136                 message[i] + " to float",
137                 expected[i].floatValue(),
138                 (converter.convert(Float.TYPE,input[i])).floatValue(),
139                 0.00001);
140             assertEquals(
141                 message[i] + " to null type",
142                 expected[i].floatValue(),
143                 ((Float)(converter.convert(null,input[i]))).floatValue(),
144                 0.00001);
145         }
146     }
147 
148 
149     /**
150      * Test Invalid Amounts (too big/small)
151      */
152     public void testInvalidAmount() {
153         final Converter converter = makeConverter();
154         final Class<?> clazz = Float.class;
155 
156         final Double max     = new Double(Float.MAX_VALUE);
157         final Double tooBig  = new Double(Double.MAX_VALUE);
158 
159         // Maximum
160         assertEquals("Maximum", new Float(Float.MAX_VALUE), converter.convert(clazz, max));
161 
162         // Too Large
163         try {
164             assertEquals("Too Big", null, converter.convert(clazz, tooBig));
165             fail("More than maximum, expected ConversionException");
166         } catch (final Exception e) {
167             // expected result
168         }
169     }
170 }
171