public void TestMultiplication() { Duration duration = new Duration(5, 1.0); Duration result = duration.Multiply(100.0); Assert.IsTrue(result.EqualsEpsilon(new Duration(500, 100.0), Constants.Epsilon10)); result = duration * 100.0; Assert.IsTrue(result.EqualsEpsilon(new Duration(500, 100.0), Constants.Epsilon10)); duration = new Duration(0, 5000.1); result = duration.Multiply(100.0); Assert.IsTrue(result.EqualsEpsilon(new Duration(5, 68010.0), Constants.Epsilon10)); result = duration * 100.0; Assert.IsTrue(result.EqualsEpsilon(new Duration(5, 68010.0), Constants.Epsilon10)); duration = new Duration(1, 43200.0); result = duration.Multiply(0.5); Assert.IsTrue(result.EqualsEpsilon(new Duration(0, 64800.0), Constants.Epsilon10)); result = duration * 0.5; Assert.IsTrue(result.EqualsEpsilon(new Duration(0, 64800.0), Constants.Epsilon10)); duration = new Duration(5, 1.0); result = duration.Multiply(100.5); Assert.IsTrue(result.EqualsEpsilon(new Duration(502, 43300.5), Constants.Epsilon10)); result = duration * 100.5; Assert.IsTrue(result.EqualsEpsilon(new Duration(502, 43300.5), Constants.Epsilon10)); result = duration * -0.5; Assert.IsTrue(result.EqualsEpsilon(new Duration(-2, -43200.5), Constants.Epsilon10)); duration = new Duration(0, 18 * 3600); result = duration * -2; Assert.AreEqual(-12 * 3600, result.Seconds); Assert.AreEqual(-1, result.Days); duration = new Duration(1, 4*3600); result = duration * -0.5; Assert.AreEqual(-14 * 3600, result.Seconds); Assert.AreEqual(0, result.Days); }