@Test
public void testParse() {

    testParse("1ms", 1, TimeUnit.MILLISECONDS);
    testParse("2s", 2, TimeUnit.SECONDS);
    testParse("3m", 3, TimeUnit.MINUTES);
    testParse("4h", 4, TimeUnit.HOURS);
    testParse("5d", 5, TimeUnit.DAYS);
}