Examples of org.castor.core.util.IdentitySet

org.castor.core.util.IdentitySet
An IdentitySet that uses reference-equality instead of object-equality. According to its special function it violates some design contracts of the Set interface. @author Ralf Joachim @version $Revision: 7491 $ $Date: 2006-04-13 10:49:49 -0600 (Thu, 13 Apr 2006) $ @since 0.9.9

    protected void setUp() { }


    protected void tearDown() { }
    
    public void testConstructor() {
        IdentitySet set1 = new IdentitySet();
        assertTrue(set1.isEmpty());
        assertTrue(set1.size() == 0);


        IdentitySet set2 = new IdentitySet(123);
        assertTrue(set2.isEmpty());
        assertTrue(set2.size() == 0);
    }

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        assertTrue(set2.isEmpty());
        assertTrue(set2.size() == 0);
    }
    
    public void testAdd() {
        IdentitySet set = new IdentitySet();
        Object key = new Integer(123);
        
        assertTrue(set.add(key));
        assertFalse(set.isEmpty());
        assertTrue(set.size() == 1);
        
        assertFalse(set.add(key));
        assertFalse(set.isEmpty());
        assertTrue(set.size() == 1);
        
        assertTrue(set.add(new Integer(123)));
        assertFalse(set.isEmpty());
        assertTrue(set.size() == 2);
    }

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        assertFalse(set.isEmpty());
        assertTrue(set.size() == 2);
    }


    public void testClear() {
        IdentitySet set = new IdentitySet();


        set.add(new Integer(123));
        assertFalse(set.isEmpty());
        assertTrue(set.size() == 1);
        
        set.clear();
        assertTrue(set.isEmpty());
        assertTrue(set.size() == 0);
    }

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        assertTrue(set.isEmpty());
        assertTrue(set.size() == 0);
    }


    public void testContains() {
        IdentitySet map = new IdentitySet();
        Object key1 = new Integer(123);
        Object key2 = new Integer(123);


        assertFalse(map.contains(key1));
        assertFalse(map.contains(key2));
        
        map.add(key1);
        assertTrue(map.contains(key1));
        assertFalse(map.contains(key2));
        
        map.add(key1);
        assertTrue(map.contains(key1));
        assertFalse(map.contains(key2));


        map.add(key2);
        assertTrue(map.contains(key1));
        assertTrue(map.contains(key2));
    }

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        assertTrue(map.contains(key1));
        assertTrue(map.contains(key2));
    }


    public void testRemove() {
        IdentitySet set = new IdentitySet();
        Object key1 = new Integer(123);
        Object key2 = new Integer(123);
        Object key3 = new Integer(123);


        set.add(key1);
        set.add(key2);
        set.add(key3);
        assertTrue(set.size() == 3);
        assertTrue(set.contains(key1));
        assertTrue(set.contains(key2));
        assertTrue(set.contains(key3));
        
        set.remove(key2);
        assertTrue(set.size() == 2);
        assertTrue(set.contains(key1));
        assertFalse(set.contains(key2));
        assertTrue(set.contains(key3));
        
        set.remove(key3);
        assertTrue(set.size() == 1);
        assertTrue(set.contains(key1));
        assertFalse(set.contains(key2));
        assertFalse(set.contains(key3));
        
        set.remove(key1);
        assertTrue(set.size() == 0);
        assertFalse(set.contains(key1));
        assertFalse(set.contains(key2));
        assertFalse(set.contains(key3));
    }

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        assertFalse(set.contains(key2));
        assertFalse(set.contains(key3));
    }


    public void testIterator() {
        IdentitySet set = new IdentitySet();
        Object key1 = new Integer(123);
        Object key2 = new Integer(123);
        Object key3 = new Integer(123);


        set.add(key1);
        set.add(key2);
        set.add(key3);
        assertTrue(set.size() == 3);


        Iterator iter = set.iterator();
        while (iter.hasNext()) {
            Object test = iter.next();
            assertTrue((test == key1) || (test == key2) || (test == key3));
        }
    }

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        }
    }


    public void testRehash() {
        ArrayList keys = new ArrayList();
        IdentitySet set = new IdentitySet();
        
        for (int i = 0; i < 100; i++) {
            Object key = new Integer(i);
            keys.add(key);
            set.add(key);
        }
        
        for (int i = 0; i < 100; i++) {
            Object key = keys.get(i);
            assertTrue(set.contains(key));
        }
    }

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            assertTrue(set.contains(key));
        }
    }


    public void testToArray() {
        IdentitySet set = new IdentitySet();
        Object key1 = new Integer(123);
        Object key2 = new Integer(123);
        Object key3 = new Integer(123);


        set.add(key1);
        set.add(key2);
        set.add(key3);
        assertTrue(set.size() == 3);


        Object[] oArr = set.toArray();
        if (oArr[0] == key1) {
            if (oArr[1] == key2) {
                assertTrue(oArr[2] == key3);
            } else {
                assertTrue(oArr[2] == key2);
                assertTrue(oArr[1] == key3);
            }
        } else if (oArr[0] == key2) {
            if (oArr[1] == key1) {
                assertTrue(oArr[2] == key3);
            } else {
                assertTrue(oArr[2] == key1);
                assertTrue(oArr[1] == key3);
            }
        } else {
            assertTrue(oArr[0] == key3);
            if (oArr[1] == key1) {
                assertTrue(oArr[2] == key2);
            } else {
                assertTrue(oArr[2] == key1);
                assertTrue(oArr[1] == key2);
            }
        }


        Integer[] iArr = new Integer[1];
        iArr = (Integer[]) set.toArray(iArr);
        if (iArr[0] == key1) {
            if (iArr[1] == key2) {
                assertTrue(iArr[2] == key3);
            } else {
                assertTrue(iArr[2] == key2);

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