@Test
public void containsAllCollection() {

	assertFalse(this.list.containsAll(Collections.singleton(0)));
	assertTrue(this.list.containsAll(Arrays.asList(1, 2, 3)));
	assertFalse(this.list.containsAll(Arrays.asList(4, 5, 6, 7, 8, 9)));
	assertFalse(this.list.containsAll(Arrays.asList(10, 11, 12, 13, 14, 15)));
}