/*
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You under the Apache License, Version 2.0
    * (the "License"); you may not use this file except in compliance with
    * the License.  You may obtain a copy of the License at
    *
    *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package org.apache.commons.beanutils.converters;
  
  import junit.framework.TestSuite;
  
  import org.apache.commons.beanutils.ConversionException;
  import org.apache.commons.beanutils.Converter;
  
  
  /**
   * Test Case for the IntegerConverter class.
   *
   * @version $Id$
   */
  
  public class IntegerConverterTestCase extends NumberConverterTestBase {
  
      private Converter converter = null;
  
      // ------------------------------------------------------------------------
  
      public IntegerConverterTestCase(final String name) {
          super(name);
      }
  
      // ------------------------------------------------------------------------
  
      @Override
      public void setUp() throws Exception {
          converter = makeConverter();
          numbers[0] = new Integer("-12");
          numbers[1] = new Integer("13");
          numbers[2] = new Integer("-22");
          numbers[3] = new Integer("23");
      }
  
      public static TestSuite suite() {
          return new TestSuite(IntegerConverterTestCase.class);
      }
  
      @Override
      public void tearDown() throws Exception {
          converter = null;
      }
  
      // ------------------------------------------------------------------------
  
      @Override
      protected NumberConverter makeConverter() {
          return new IntegerConverter();
      }
  
      @Override
      protected NumberConverter makeConverter(final Object defaultValue) {
          return new IntegerConverter(defaultValue);
      }
  
      @Override
      protected Class<?> getExpectedType() {
          return Integer.class;
      }
  
      // ------------------------------------------------------------------------
  
      public void testSimpleConversion() throws Exception {
          final String[] message= {
              "from String",
              "from String",
              "from String",
              "from String",
              "from String",
              "from String",
              "from String",
              "from Byte",
              "from Short",
              "from Integer",
              "from Long",
              "from Float",
              "from Double"
          };
  
          final Object[] input = {
              String.valueOf(Integer.MIN_VALUE),
             "-17",
             "-1",
             "0",
             "1",
             "17",
             String.valueOf(Integer.MAX_VALUE),
             new Byte((byte)7),
             new Short((short)8),
             new Integer(9),
             new Long(10),
             new Float(11.1),
             new Double(12.2)
         };
 
         final Integer[] expected = {
             new Integer(Integer.MIN_VALUE),
             new Integer(-17),
             new Integer(-1),
             new Integer(0),
             new Integer(1),
             new Integer(17),
             new Integer(Integer.MAX_VALUE),
             new Integer(7),
             new Integer(8),
             new Integer(9),
             new Integer(10),
             new Integer(11),
             new Integer(12)
         };
 
         for(int i=0;i<expected.length;i++) {
             assertEquals(message[i] + " to Integer",expected[i],converter.convert(Integer.class,input[i]));
             assertEquals(message[i] + " to int",expected[i],converter.convert(Integer.TYPE,input[i]));
             assertEquals(message[i] + " to null type",expected[i],converter.convert(null,input[i]));
         }
     }
 
     /**
      * Test Invalid Amounts (too big/small)
      */
     public void testInvalidAmount() {
         final Converter converter = makeConverter();
         final Class<?> clazz = Integer.class;
 
         final Long min         = new Long(Integer.MIN_VALUE);
         final Long max         = new Long(Integer.MAX_VALUE);
         final Long minMinusOne = new Long(min.longValue() - 1);
         final Long maxPlusOne  = new Long(max.longValue() + 1);
 
         // Minimum
         assertEquals("Minimum", new Integer(Integer.MIN_VALUE), converter.convert(clazz, min));
 
         // Maximum
         assertEquals("Maximum", new Integer(Integer.MAX_VALUE), converter.convert(clazz, max));
 
         // Too Small
         try {
             assertEquals("Minimum - 1", null, converter.convert(clazz, minMinusOne));
             fail("Less than minimum, expected ConversionException");
         } catch (final Exception e) {
             // expected result
         }
 
         // Too Large
         try {
             assertEquals("Maximum + 1", null, converter.convert(clazz, maxPlusOne));
             fail("More than maximum, expected ConversionException");
         } catch (final Exception e) {
             // expected result
         }
     }
 
     /**
      * Tests whether an invalid default object causes an exception.
      */
     public void testInvalidDefaultObject() {
         final NumberConverter converter = makeConverter();
         try {
             converter.setDefaultValue("notANumber");
             fail("Invalid default value not detected!");
         } catch (final ConversionException cex) {
             // expected result
         }
     }
 }