Examples of java.util.EnumMap.values()

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

    @SuppressWarnings( { "unchecked", "boxing" })
    public void test_values() {
        EnumMap enumColorMap = new EnumMap<Color, Double>(Color.class);
        enumColorMap.put(Color.Red, 1);
        enumColorMap.put(Color.Blue, null);
        Collection collection = enumColorMap.values();


        Collection collection1 = enumColorMap.values();
        assertSame("Should be same", collection1, collection); //$NON-NLS-1$
        try {
            collection.add(new Integer(1));

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        EnumMap enumColorMap = new EnumMap<Color, Double>(Color.class);
        enumColorMap.put(Color.Red, 1);
        enumColorMap.put(Color.Blue, null);
        Collection collection = enumColorMap.values();


        Collection collection1 = enumColorMap.values();
        assertSame("Should be same", collection1, collection); //$NON-NLS-1$
        try {
            collection.add(new Integer(1));
            fail("Should throw UnsupportedOperationException"); //$NON-NLS-1$
        } catch (UnsupportedOperationException e) {

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


        enumColorMap = new EnumMap<Color, Double>(Color.class);
        enumColorMap.put(Color.Red, 1);
        enumColorMap.put(Color.Blue, null);
        collection = enumColorMap.values();
        Collection c = new ArrayList();
        c.add(new Integer(1));
        assertTrue("Should return true", collection.containsAll(c)); //$NON-NLS-1$
        c.add(new Double(3.4));
        assertFalse("Should return false", collection.containsAll(c)); //$NON-NLS-1$

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        assertEquals("Wrong key", 1, array[0]); //$NON-NLS-1$


        enumColorMap = new EnumMap<Color, Double>(Color.class);
        enumColorMap.put(Color.Red, 1);
        enumColorMap.put(Color.Blue, null);
        collection = enumColorMap.values();


        assertEquals("Wrong size", 2, collection.size()); //$NON-NLS-1$
        assertFalse("Returned true when the object can not be removed", //$NON-NLS-1$
                collection.remove(new Integer("10"))); //$NON-NLS-1$

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        assertEquals("Wrong size", 2, collection.size()); //$NON-NLS-1$
        assertFalse("Returned true when the object can not be removed", //$NON-NLS-1$
                collection.remove(new Integer("10"))); //$NON-NLS-1$


        Iterator iter = enumColorMap.values().iterator();
        Object value = iter.next();
        assertTrue("Returned false for contained object", collection //$NON-NLS-1$
                .contains(value));
        value = iter.next();
        assertTrue("Returned false for contained object", collection //$NON-NLS-1$

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            // Expected
        }
        assertFalse("Returned true for uncontained object", collection //$NON-NLS-1$
                .contains(value));


        iter = enumColorMap.values().iterator();
        value = iter.next();
        assertTrue("Returned false for contained object", collection //$NON-NLS-1$
                .contains(value));
        enumColorMap.put(Color.Green, 3);
        assertTrue("Returned false for contained object", collection //$NON-NLS-1$

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        enumColorMap = new EnumMap<Color, Double>(Color.class);
        Integer integer1 = new Integer(1);
        enumColorMap.put(Color.Green, integer1);
        enumColorMap.put(Color.Blue, null);
        collection = enumColorMap.values();
        iter = enumColorMap.values().iterator();
        try {
            iter.remove();
            fail("Should throw IllegalStateException"); //$NON-NLS-1$
        } catch (IllegalStateException e) {

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    @SuppressWarnings( { "unchecked", "boxing" })
    public void test_values() {
        EnumMap enumColorMap = new EnumMap<Color, Double>(Color.class);
        enumColorMap.put(Color.Red, 1);
        enumColorMap.put(Color.Blue, null);
        Collection collection = enumColorMap.values();


        Collection collection1 = enumColorMap.values();
        assertSame("Should be same", collection1, collection); //$NON-NLS-1$
        try {
            collection.add(new Integer(1));

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        EnumMap enumColorMap = new EnumMap<Color, Double>(Color.class);
        enumColorMap.put(Color.Red, 1);
        enumColorMap.put(Color.Blue, null);
        Collection collection = enumColorMap.values();


        Collection collection1 = enumColorMap.values();
        assertSame("Should be same", collection1, collection); //$NON-NLS-1$
        try {
            collection.add(new Integer(1));
            fail("Should throw UnsupportedOperationException"); //$NON-NLS-1$
        } catch (UnsupportedOperationException e) {

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


        enumColorMap = new EnumMap<Color, Double>(Color.class);
        enumColorMap.put(Color.Red, 1);
        enumColorMap.put(Color.Blue, null);
        collection = enumColorMap.values();
        Collection c = new ArrayList();
        c.add(new Integer(1));
        assertTrue("Should return true", collection.containsAll(c)); //$NON-NLS-1$
        c.add(new Double(3.4));
        assertFalse("Should return false", collection.containsAll(c)); //$NON-NLS-1$

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