/*
    * 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.TestCase;
  
  import org.apache.commons.beanutils.ConversionException;
  
  /**
   * @version $Id$
   */
  public class BooleanConverterTestCase extends TestCase {
  
      public static final String[] STANDARD_TRUES = new String[] {
              "yes", "y", "true", "on", "1"
          };
  
      public static final String[] STANDARD_FALSES = new String[] {
              "no", "n", "false", "off", "0"
          };
  
  
      public BooleanConverterTestCase(final String name) {
          super(name);
      }
  
      public void testStandardValues() {
          final BooleanConverter converter = new BooleanConverter();
          testConversionValues(converter, STANDARD_TRUES, STANDARD_FALSES);
      }
  
      public void testCaseInsensitivity() {
          final BooleanConverter converter = new BooleanConverter();
          testConversionValues(
              converter,
              new String[] {"Yes", "TRUE"},
              new String[] {"NO", "fAlSe"});
      }
  
  
      public void testInvalidString() {
          final BooleanConverter converter = new BooleanConverter();
          try {
              converter.convert(Boolean.class, "bogus");
              fail("Converting invalid string should have generated an exception");
          } catch (final ConversionException expected) {
              // Exception is successful test
          }
      }
  
      public void testDefaultValue() {
          final Object defaultValue = Boolean.TRUE;
          final BooleanConverter converter = new BooleanConverter(defaultValue);
  
          assertSame(defaultValue, converter.convert(Boolean.class, "bogus"));
          testConversionValues(converter, STANDARD_TRUES, STANDARD_FALSES);
      }
  
      public void testAdditionalStrings() {
          final String[] trueStrings = {"sure"};
          final String[] falseStrings = {"nope"};
          final BooleanConverter converter = new BooleanConverter(
              trueStrings, falseStrings, BooleanConverter.NO_DEFAULT);
          testConversionValues(
              converter,
              new String[] {"sure", "Sure"},
              new String[] {"nope", "nOpE"});
  
          try {
              converter.convert(Boolean.class, "true");
              fail("Converting obsolete true value should have generated an exception");
          } catch (final ConversionException expected) {
              // Exception is successful test
          }
          try {
              converter.convert(Boolean.class, "bogus");
              fail("Converting invalid string should have generated an exception");
          } catch (final ConversionException expected) {
              // Exception is successful test
          }
      }
  
      /**
       * Tests a conversion to another target type. This should not be possible.
      */
     public void testConversionToOtherType() {
         final BooleanConverter converter = new BooleanConverter();
         try {
             converter.convert(Integer.class, STANDARD_TRUES[0]);
             fail("Could convert to unsupported type!");
         } catch (final ConversionException cex) {
             // Expected result
         }
     }
 
     /**
      * Tests whether a conversion to a primitive boolean is possible.
      */
     public void testPrimitiveTargetClass() {
         final BooleanConverter converter = new BooleanConverter();
         assertTrue("Wrong result", converter.convert(Boolean.TYPE, STANDARD_TRUES[0]));
     }
 
     protected void testConversionValues(final BooleanConverter converter,
             final String[] trueValues, final String[] falseValues) {
 
         for (String trueValue : trueValues) {
             assertEquals(Boolean.TRUE, converter.convert(Boolean.class, trueValue));
         }
         for (String falseValue : falseValues) {
             assertEquals(Boolean.FALSE, converter.convert(Boolean.class, falseValue));
         }
     }
 
 }