Examples of org.castor.core.util.IdentityMap

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

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


    public void testContainsKey() {
        IdentityMap map = new IdentityMap();
        Object key1 = new Integer(123);
        Object key2 = new Integer(123);


        assertFalse(map.containsKey(key1));
        assertFalse(map.containsKey(key2));
        
        map.put(key1, "original value");
        assertTrue(map.containsKey(key1));
        assertFalse(map.containsKey(key2));
        
        map.put(key1, "replaced value");
        assertTrue(map.containsKey(key1));
        assertFalse(map.containsKey(key2));


        map.put(key2, "value");
        assertTrue(map.containsKey(key1));
        assertTrue(map.containsKey(key2));
    }

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


    public void testGet() {
        IdentityMap map = new IdentityMap();
        Object key1 = new Integer(123);
        Object original = "original value";
        Object replaced = "replaced value";
        Object key2 = new Integer(123);
        Object value = "value";


        assertNull(map.get(key1));
        assertNull(map.get(key2));
        
        map.put(key1, original);
        assertTrue(map.get(key1) == original);
        assertNull(map.get(key2));
        
        map.put(key1, replaced);
        assertTrue(map.get(key1) == replaced);
        assertNull(map.get(key2));


        map.put(key2, value);
        assertTrue(map.get(key1) == replaced);
        assertTrue(map.get(key2) == value);
    }

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        assertTrue(map.get(key1) == replaced);
        assertTrue(map.get(key2) == value);
    }


    public void testRemove() {
        IdentityMap map = new IdentityMap();
        Object key1 = new Integer(123);
        Object key2 = new Integer(123);
        Object key3 = new Integer(123);


        map.put(key1, "value 1");
        map.put(key2, "value 2");
        map.put(key3, "value 3");
        assertTrue(map.size() == 3);
        assertTrue(map.containsKey(key1));
        assertTrue(map.containsKey(key2));
        assertTrue(map.containsKey(key3));
        
        map.remove(key2);
        assertTrue(map.size() == 2);
        assertTrue(map.containsKey(key1));
        assertFalse(map.containsKey(key2));
        assertTrue(map.containsKey(key3));
        
        map.remove(key3);
        assertTrue(map.size() == 1);
        assertTrue(map.containsKey(key1));
        assertFalse(map.containsKey(key2));
        assertFalse(map.containsKey(key3));
        
        map.remove(key1);
        assertTrue(map.size() == 0);
        assertFalse(map.containsKey(key1));
        assertFalse(map.containsKey(key2));
        assertFalse(map.containsKey(key3));
    }

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        assertFalse(map.containsKey(key2));
        assertFalse(map.containsKey(key3));
    }


    public void testKeySet() {
        IdentityMap map = new IdentityMap();
        Object key1 = new Integer(123);
        Object key2 = new Integer(123);
        Object key3 = new Integer(123);


        map.put(key1, "value 1");
        map.put(key2, "value 2");
        map.put(key3, "value 3");
        
        Set set = map.keySet();
        assertTrue(set.size() == 3);
        
        Iterator iter = set.iterator();
        while (iter.hasNext()) {
            Object test = iter.next();

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            assertTrue((test == key1) || (test == key2) || (test == key3));
        }
    }


    public void testEntrySet() {
        IdentityMap map = new IdentityMap();
        Object key1 = new Integer(123);
        Object key2 = new Integer(123);
        Object key3 = new Integer(123);


        map.put(key1, "value 1");
        map.put(key2, "value 2");
        map.put(key3, "value 3");
        
        Set set = map.entrySet();
        assertTrue(set.size() == 3);
        
        Iterator iter = set.iterator();
        while (iter.hasNext()) {
            Object test = iter.next();

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        }
    }


    public void testRehash() {
        ArrayList keys = new ArrayList();
        IdentityMap map = new IdentityMap();
        
        for (int i = 0; i < 100; i++) {
            Object key = new Integer(i);
            Object value = "value " + i;
            keys.add(key);
            map.put(key, value);
        }
        
        for (int i = 0; i < 100; i++) {
            Object key = keys.get(i);
            assertTrue(map.containsKey(key));
            Object value = "value " + i;
            assertTrue(value.equals(map.get(key)));
        }
    }

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    protected void setUp() { }


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

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        assertTrue(map.isEmpty());
        assertTrue(map.size() == 0);
    }
    
    public void testPut() {
        IdentityMap map = new IdentityMap();
        Object key = new Integer(123);
        Object original = "original value";
        Object replaced = "replaced value";
        Object result;
        
        result = map.put(key, original);
        assertFalse(map.isEmpty());
        assertTrue(map.size() == 1);
        assertNull(result);
        
        result = map.put(key, replaced);
        assertFalse(map.isEmpty());
        assertTrue(map.size() == 1);
        assertTrue(result == original);
        
        result = map.put(new Integer(123), "value");
        assertFalse(map.isEmpty());
        assertTrue(map.size() == 2);
        assertNull(result);
    }

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        assertTrue(map.size() == 2);
        assertNull(result);
    }


    public void testClear() {
        IdentityMap map = new IdentityMap();


        map.put(new Integer(123), "value");
        assertFalse(map.isEmpty());
        assertTrue(map.size() == 1);
        
        map.clear();
        assertTrue(map.isEmpty());
        assertTrue(map.size() == 0);
    }

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Related Classes of org.castor.core.util.IdentityMap

org.castor.util.TestIdentityMap

java.util.Set

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