SameObjectEqualityComparatorTest


1   /*
2    * All content copyright (c) 2003-2006 Terracotta, Inc., except as may otherwise be noted in a separate copyright notice.  All rights reserved.
3    */
4   package com.tc.util;
5   
6   import com.tc.test.TCTestCase;
7   
8   /**
9    * Unit test for {@link SameObjectEqualityComparator}.
10   */
11  public class SameObjectEqualityComparatorTest extends TCTestCase {
12    
13    public void testEquals() {
14      SameObjectEqualityComparator comparator = SameObjectEqualityComparator.INSTANCE;
15      
16      assertTrue(comparator.isEquals(null, null));
17      assertFalse(comparator.isEquals(new Integer  (4), null));
18      assertFalse(comparator.isEquals(null, new Integer  (4)));
19      
20      Integer   x = new Integer  (5);
21      Integer   y = new Integer  (5);
22      
23      assertTrue(comparator.isEquals(x, x));
24      assertFalse(comparator.isEquals(x, y));
25      assertFalse(comparator.isEquals(y, x));
26      assertTrue(comparator.isEquals(y, y));
27    }
28  
29  }
30

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