public void TestLessThanOrEqualTo() { // Arrange var now = DateTime.Now; var todayA = new DateValue(now); var todayB = new DateValue(now); var tommorow = new DateValue(DateTime.Now.AddDays(1)); // Act & Assert Assert.IsTrue(((BooleanValue)todayA.IsLessThanOrEqualTo(tommorow)).Val); Assert.IsTrue(((BooleanValue)todayB.IsLessThanOrEqualTo(todayA)).Val); Assert.IsFalse(((BooleanValue)tommorow.IsLessThanOrEqualTo(todayA)).Val); }