@Test
public void test_equals_and_hashcode() throws Exception {
WorkDuration duration = WorkDuration.createFromLong(28800, HOURS_IN_DAY);
WorkDuration durationWithSameValue = WorkDuration.createFromLong(28800, HOURS_IN_DAY);
WorkDuration durationWithDifferentValue = WorkDuration.createFromLong(14400, HOURS_IN_DAY);
assertThat(duration).isEqualTo(duration);
assertThat(durationWithSameValue).isEqualTo(duration);
assertThat(durationWithDifferentValue).isNotEqualTo(duration);
assertThat(duration).isNotEqualTo(null);
assertThat(duration.hashCode()).isEqualTo(duration.hashCode());
assertThat(durationWithSameValue.hashCode()).isEqualTo(duration.hashCode());
assertThat(durationWithDifferentValue.hashCode()).isNotEqualTo(duration.hashCode());
}
