@Test(expected = UnsupportedOperationException.class)
public void testPut() {

	assertTrue(mapState.contains(1L));
	long value = mapState.get(1L);
	assertEquals(5L, value);
	assertTrue(mapState.contains(2L));
	value = mapState.get(2L);
	assertEquals(5L, value);
	mapState.put(2L, 54L);
}