public void IsInfinity() { Assert.ThrowsExact <AssertionException>(() => Assert.IsInfinity(float.NaN)); Assert.ThrowsExact <AssertionException>(() => Assert.IsInfinity(double.NaN)); Assert.DoesNotThrow(() => Assert.IsInfinity(float.PositiveInfinity)); Assert.DoesNotThrow(() => Assert.IsInfinity(float.NegativeInfinity)); Assert.ThrowsExact <AssertionException>(() => Assert.IsInfinity(1.34f)); Assert.DoesNotThrow(() => Assert.IsInfinity(double.PositiveInfinity)); Assert.DoesNotThrow(() => Assert.IsInfinity(double.NegativeInfinity)); Assert.ThrowsExact <AssertionException>(() => Assert.IsInfinity(1.34d)); }