public void RootTest() { //check Root() Assert.AreEqual(2, OwnMath.root(8, 3)); Assert.AreEqual(0.5, OwnMath.root(8, -3)); Assert.AreEqual(0, OwnMath.root(0, 3)); Assert.ThrowsException <Exception>(() => (OwnMath.root(-8, 3))); Assert.ThrowsException <Exception>(() => (OwnMath.root(8, 0))); }