@Test
public void isLessThanOrEqual() throws Exception
{

	IntegralCondition<Integer> condition = new IntegralCondition<>(2);
	condition.isLessThanOrEqual(2);
	assertThatThrownBy(() -> condition.isLessThanOrEqual(1))
			.isInstanceOf(DbcAssertionError.class)
			.hasCauseInstanceOf(IllegalArgumentException.class);
}