@Test
    public void testSort() throws Exception {
        List<Integer> integers = new ArrayList<>();
        Collections.addAll(integers, 1, 5, 2, 3, 8, 15, 22, 10, 2, 4, 9);

        new SimpleQuickSorter<Integer>().sort(integers);

        assertThat(integers.toString(), is("[1, 2, 2, 3, 4, 5, 8, 9, 10, 15, 22]"));
    }