Tests.HelperTests.FromPolarToCartesian_270DegreeAngle_ReturnsZeroAndMinusRadius C# (CSharp) Method

        public void FromPolarToCartesian_270DegreeAngle_ReturnsZeroAndMinusRadius()
        {
            double radius = 1.23;
            var result = Helper.FromPolarToCartesian(radius, 3.0 * Math.PI / 2.0);

            Assert.AreEqual(0.0, result.X, Tolerance);
            Assert.AreEqual(-radius, result.Y, Tolerance);
        }