@Test
public void testContainsValue() {

	try {
		_concurrentMap.containsValue(null);
		Assert.fail();
	}
	catch (NullPointerException nullPointerException) {
		Assert.assertEquals(
			"Value is null", nullPointerException.getMessage());
	}
	Assert.assertFalse(_concurrentMap.containsValue(_testValue1));
	_assertEventQueue(Event.MAP_VALUE_FOR_QUERY);
	Assert.assertNull(_concurrentMap.put(_testKey, _testValue1));
	_assertEventQueue(Event.MAP_KEY, Event.MAP_VALUE);
	Assert.assertTrue(_concurrentMap.containsValue(_testValue1));
	_assertEventQueue(Event.MAP_VALUE_FOR_QUERY);
}