@Test
public void testIntAscending() throws Exception {

    List<int[]> sequences = DataGenerator.sequenceOfAscendingIntegers(5, -10, 10).toList(3);
    for (int[] seq : sequences) {
        for (int i = 1; i < seq.length; i++) {
            assertThat(seq[i - 1] <= seq[i]).isTrue();
        }
    }
}