public void testAsLongArray() { final long[] testVector = {1, 0, (byte) 255, 1, 16, (byte) 240, Long.MAX_VALUE, Long.MIN_VALUE}; final ArrayList<Long> al = new ArrayList<>(); for (final long b : testVector) { al.add(b); } assertTrue(Arrays.equals(testVector, ArrayUtils.asLongArray(al))); }