public void ConvertDegreeAngleToDouble_StateUnderTest_ExpectedBehavior() { // Arrange DegreeToDecimalLatLongMapper degreeToDecimalLatLongMapper = this.CreateDegreeToDecimalLatLongMapper(); string point = "3519S"; // Act string result = degreeToDecimalLatLongMapper.ConvertDegreeAngleToDouble( point); // Assert Assert.IsTrue(result == "-35.3166666666667"); }