@Test
public void testAddIfNotPresent() {

	// Add some elements
	list.addIfNotPresent((short)23);
	list.addIfNotPresent((short)99);
	// Now add them again
	list.addIfNotPresent((short)99);
	list.addIfNotPresent((short)23);
	// Verify that the size is now 2
	assertEquals(2, list.size());
	// Verify that there were no side effects
	assertEquals(2, list.size());
	// Verify that some element is present
	assertTrue(list.contains((short)23));
	// Verify that some element is not present
	assertFalse(list.contains((short)0));
	// Test toString()
	assertEquals("(23, 99)", list.toString());
}