@Test
	public void testMs2Time() {
		final long secTime = 1000;
		long timeMs = 10 * secTime;
		String durationStr = DateUtils.ms2Time(timeMs);
		assertThat(durationStr, is("00:00:10"));

		timeMs = 10 * secTime + 33;
		durationStr = DateUtils.ms2Time(timeMs);
		assertThat(durationStr, is("00:00:10"));

		timeMs = 10 * secTime;
		durationStr = DateUtils.ms2Time(timeMs);
		assertThat(durationStr, is("00:00:10"));

		timeMs = 10 * secTime + 3 * 60 * secTime;
		durationStr = DateUtils.ms2Time(timeMs);
		assertThat(durationStr, is("00:03:10"));

		timeMs = timeMs + 10 * 60 * secTime;
		durationStr = DateUtils.ms2Time(timeMs);
		assertThat(durationStr, is("00:13:10"));

		timeMs = timeMs + 3 * 60 * 60 * secTime;
		durationStr = DateUtils.ms2Time(timeMs);
		assertThat(durationStr, is("03:13:10"));

		timeMs = timeMs + 10 * 60 * 60 * secTime;
		durationStr = DateUtils.ms2Time(timeMs);
		assertThat(durationStr, is("13:13:10"));
	}
Test method for {@link DateUtils#ms2Time(long)}.
ngrinder-core/src/test/java/org/ngrinder/common/util/DateUtilsTest.java