/*
    * Copyright 2005-2008 The Kuali Foundation
    * 
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    * 
   * 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.kuali.rice.kns.util;
  
  import org.junit.Test;
  import org.kuali.rice.kns.util.KualiDecimal;
  import org.kuali.rice.kns.util.NumberUtils;
  import org.kuali.test.KNSTestCase;
  
  /**
   * This class tests the NumberUtils methods.
   */
  public class NumberUtilsTest extends KNSTestCase {
  
      @Test public void testIntValue_nullInteger() {
          Integer testInteger = null;
          int testInt = 123;
  
          int intValue = NumberUtils.intValue(testInteger, testInt);
          assertEquals(intValue, testInt);
      }
  
      @Test public void testIntValue_nonNullInteger() {
          Integer testInteger = new Integer(456);
          int testInt = 123;
  
          int intValue = NumberUtils.intValue(testInteger, testInt);
          assertEquals(intValue, 456);
      }
  
  
      @Test public void testIntegerEquals_bothNull() {
          assertTrue(NumberUtils.equals((Integer) null, (Integer) null));
      }
  
      @Test public void testIntegerEquals_bothNonNull_inequal() {
          Integer i = new Integer(0);
          Integer j = new Integer(1);
  
          assertFalse(NumberUtils.equals(i, j));
      }
  
      @Test public void testIntegerEquals_bothNonNull_equal() {
          Integer i = new Integer(2);
          Integer j = new Integer(2);
  
          assertTrue(NumberUtils.equals(i, j));
      }
  
      @Test public void testIntegerEquals_firstNotNull() {
          Integer i = new Integer(3);
          Integer j = null;
  
          assertFalse(NumberUtils.equals(i, j));
      }
  
      @Test public void testIntegerEquals_secondNotNull() {
          Integer i = null;
          Integer j = new Integer(4);
  
          assertFalse(NumberUtils.equals(i, j));
      }
  
      @Test public void testKualiDecimalEquals_bothNull() {
          assertTrue(NumberUtils.equals((KualiDecimal) null, (KualiDecimal) null));
      }
  
      @Test public void testKualiDecimalEquals_bothNonNull_inequal() {
          KualiDecimal i = KualiDecimal.ZERO;
          KualiDecimal j = new KualiDecimal(1);
  
          assertFalse(NumberUtils.equals(i, j));
      }
  
      @Test public void testKualiDecimalEquals_bothNonNull_equal() {
          KualiDecimal i = new KualiDecimal(2);
          KualiDecimal j = new KualiDecimal(2);
  
          assertTrue(NumberUtils.equals(i, j));
      }
  
      @Test public void testKualiDecimalEquals_firstNotNull() {
          KualiDecimal i = new KualiDecimal(3);
          KualiDecimal j = null;
  
          assertFalse(NumberUtils.equals(i, j));
     }
 
     @Test public void testKualiDecimalEquals_secondNotNull() {
         KualiDecimal i = null;
         KualiDecimal j = new KualiDecimal(4);
 
         assertFalse(NumberUtils.equals(i, j));
     }
 }