    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   * @author Rodney Waldhoff
    29   * @version $Revision: 471348 $ $Date: 2006-11-05 02:59:26 +0000 (Sun, 05 Nov 2006) $
    30   */
    31
    32  public class FloatConverterTestCase extends NumberConverterTestBase {
    33
    34      private Converter converter = null;
    35
    36      // ------------------------------------------------------------------------
    37
    38      public FloatConverterTestCase(String name) {
    39          super(name);
    40      }
    41
    42      // ------------------------------------------------------------------------
    43
    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      public void tearDown() throws Exception {
    57          converter = null;
    58      }
    59
    60      // ------------------------------------------------------------------------
    61
    62      protected NumberConverter makeConverter() {
    63          return new FloatConverter();
    64      }
    65
    66      protected NumberConverter makeConverter(Object defaultValue) {
    67          return new FloatConverter(defaultValue);
    68      }
    69
    70      protected Class getExpectedType() {
    71          return Float.class;
    72      }
    73
    74      // ------------------------------------------------------------------------
    75
    76      public void testSimpleConversion() throws Exception {
    77          String[] message= {
    78              "from String",
    79              "from String",
    80              "from String",
    81              "from String",
    82              "from String",
    83              "from String",
    84              "from String",
    85              "from Byte",
    86              "from Short",
    87              "from Integer",
    88              "from Long",
    89              "from Float",
    90              "from Double"
    91          };
    92
    93          Object[] input = {
    94              String.valueOf(Float.MIN_VALUE),
    95              "-17.2",
    96              "-1.1",
    97              "0.0",
    98              "1.1",
    99              "17.2",
    100             String.valueOf(Float.MAX_VALUE),
    101             new Byte((byte)7),
    102             new Short((short)8),
    103             new Integer(9),
    104             new Long(10),
    105             new Float(11.1),
    106             new Double(12.2),
    107         };
    108
    109         Float[] expected = {
    110             new Float(Float.MIN_VALUE),
    111             new Float(-17.2),
    112             new Float(-1.1),
    113             new Float(0.0),
    114             new Float(1.1),
    115             new Float(17.2),
    116             new Float(Float.MAX_VALUE),
    117             new Float(7),
    118             new Float(8),
    119             new Float(9),
    120             new Float(10),
    121             new Float(11.1),
    122             new Float(12.2)
    123         };
    124
    125         for(int i=0;i<expected.length;i++) {
    126             assertEquals(
    127                 message[i] + " to Float",
    128                 expected[i].floatValue(),
    129                 ((Float)(converter.convert(Float.class,input[i]))).floatValue(),
    130                 0.00001);
    131             assertEquals(
    132                 message[i] + " to float",
    133                 expected[i].floatValue(),
    134                 ((Float)(converter.convert(Float.TYPE,input[i]))).floatValue(),
    135                 0.00001);
    136             assertEquals(
    137                 message[i] + " to null type",
    138                 expected[i].floatValue(),
    139                 ((Float)(converter.convert(null,input[i]))).floatValue(),
    140                 0.00001);
    141         }
    142     }
    143
    144
    145     /***
    146      * Test Invalid Amounts (too big/small)
    147      */
    148     public void testInvalidAmount() {
    149         Converter converter = makeConverter();
    150         Class clazz = Float.class;
    151
    152         Double max     = new Double(Float.MAX_VALUE);
    153         Double tooBig  = new Double(Double.MAX_VALUE);
    154
    155         // Maximum
    156         assertEquals("Maximum", new Float(Float.MAX_VALUE), converter.convert(clazz, max));
    157
    158         // Too Large
    159         try {
    160             assertEquals("Too Big", null, converter.convert(clazz, tooBig));
    161             fail("More than maximum, expected ConversionException");
    162         } catch (Exception e) {
    163             // expected result
    164         }
    165     }
    166 }
    167