Examples of java.util.EnumMap.entrySet()

java.util.EnumMap.entrySet()
Returns a {@link Set} view of the mappings contained in this map.The returned set obeys the general contract outlined in {@link Map#keySet()}. The set's iterator will return the mappings in the order their keys appear in map, which is their natural order (the order in which the enum constants are declared). @return a set view of the mappings contained in this enum map

        assertEquals("Wrong size", 0, set.size()); //$NON-NLS-1$


        enumSizeMap = new EnumMap(Size.class);
        enumSizeMap.put(Size.Middle, 1);
        enumSizeMap.put(Size.Big, null);
        set = enumSizeMap.entrySet();
        Collection c = new ArrayList();
        c.add(new MockEntry(Size.Middle, 1));
        assertTrue("Return wrong value", set.containsAll(c)); //$NON-NLS-1$
        assertTrue("Remove does not success", set.removeAll(c)); //$NON-NLS-1$

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        assertEquals("Wrong size", 1, set.size()); //$NON-NLS-1$


        enumSizeMap = new EnumMap(Size.class);
        enumSizeMap.put(Size.Middle, 1);
        enumSizeMap.put(Size.Big, null);
        set = enumSizeMap.entrySet();
        c = new ArrayList();
        c.add(new MockEntry(Size.Middle, 1));
        c.add(new MockEntry(Size.Big, 3));


        assertTrue("Retain does not success", set.retainAll(c)); //$NON-NLS-1$

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        enumSizeMap = new EnumMap(Size.class);
        enumSizeMap.put(Size.Middle, 1);
        enumSizeMap.put(Size.Big, null);


        set = enumSizeMap.entrySet();
        Object[] array = set.toArray();
        assertEquals("Wrong length", 2, array.length); //$NON-NLS-1$
        Map.Entry entry = (Map.Entry) array[0];
        assertEquals("Wrong key", Size.Middle, entry.getKey()); //$NON-NLS-1$
        assertEquals("Wrong value", 1, entry.getValue()); //$NON-NLS-1$

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        assertEquals("Wrong length", 10, array1.length); //$NON-NLS-1$
        entry = (Map.Entry) array[1];
        assertEquals("Wrong key", Size.Big, entry.getKey()); //$NON-NLS-1$
        assertNull("Should be null", array1[2]); //$NON-NLS-1$


        set = enumSizeMap.entrySet();
        Integer integer = new Integer("1"); //$NON-NLS-1$
        assertFalse("Returned true when the object can not be removed", set //$NON-NLS-1$
                .remove(integer));
        assertTrue("Returned false when the object can be removed", set //$NON-NLS-1$
                .remove(entry));

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                .remove(entry));


        enumSizeMap = new EnumMap(Size.class);
        enumSizeMap.put(Size.Middle, 1);
        enumSizeMap.put(Size.Big, null);
        set = enumSizeMap.entrySet();
        Iterator iter = set.iterator();
        entry = (Map.Entry) iter.next();
        assertTrue("Returned false for contained object", set.contains(entry)); //$NON-NLS-1$
        mockEntry = new MockEntry(Size.Middle, 2);
        assertFalse("Returned true for uncontained object", set //$NON-NLS-1$

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        }


        enumSizeMap = new EnumMap(Size.class);
        enumSizeMap.put(Size.Middle, 1);
        enumSizeMap.put(Size.Big, null);
        set = enumSizeMap.entrySet();
        iter = set.iterator();
        entry = (Map.Entry) iter.next();
        assertEquals("Wrong key", Size.Middle, entry.getKey()); //$NON-NLS-1$


        assertTrue("Returned false for contained object", set.contains(entry)); //$NON-NLS-1$

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        assertEquals("Wrong size", 0, set.size()); //$NON-NLS-1$


        enumSizeMap = new EnumMap(Size.class);
        enumSizeMap.put(Size.Middle, 1);
        enumSizeMap.put(Size.Big, null);
        set = enumSizeMap.entrySet();
        iter = set.iterator();
        mockEntry = new MockEntry(Size.Middle, 1);


        assertFalse("Wrong result", entry.equals(mockEntry)); //$NON-NLS-1$
        try {

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    public void test_entrySet() {
        EnumMap enumSizeMap = new EnumMap(Size.class);
        enumSizeMap.put(Size.Middle, 1);
        enumSizeMap.put(Size.Big, null);
        MockEntry mockEntry = new MockEntry(Size.Middle, 1);
        Set set = enumSizeMap.entrySet();


        Set set1 = enumSizeMap.entrySet();
        assertSame("Should be same", set1, set); //$NON-NLS-1$
        try {
            set.add(mockEntry);

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        enumSizeMap.put(Size.Middle, 1);
        enumSizeMap.put(Size.Big, null);
        MockEntry mockEntry = new MockEntry(Size.Middle, 1);
        Set set = enumSizeMap.entrySet();


        Set set1 = enumSizeMap.entrySet();
        assertSame("Should be same", set1, set); //$NON-NLS-1$
        try {
            set.add(mockEntry);
            fail("Should throw UnsupportedOperationException"); //$NON-NLS-1$
        } catch (UnsupportedOperationException e) {

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    public void test_entrySet() {
        EnumMap enumSizeMap = new EnumMap(Size.class);
        enumSizeMap.put(Size.Middle, 1);
        enumSizeMap.put(Size.Big, null);
        MockEntry mockEntry = new MockEntry(Size.Middle, 1);
        Set set = enumSizeMap.entrySet();


        Set set1 = enumSizeMap.entrySet();
        assertSame("Should be same", set1, set); //$NON-NLS-1$
        try {
            set.add(mockEntry);

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