Assert.assertEquals(true, array.containsAll(Collections.singletonList(1)));
Assert.assertEquals(true, array.remove(Integer.valueOf(1)));
Assert.assertEquals(true, array.isEmpty());
array.addAll(Collections.singletonList(1));
Assert.assertEquals(1, array.size());
array.removeAll(Collections.singletonList(1));
Assert.assertEquals(0, array.size());
array.addAll(0, Arrays.asList(1, 2, 3));
Assert.assertEquals(3, array.size());
array.clear();
array.addAll(0, Arrays.asList(1, 2, 3));