public void CalculationAdditionTest(double firstArgument, double result)
{
var calculator = new CtgCalculator();
var actualResult = calculator.Calculate(firstArgument);
Assert.AreEqual(result, actualResult, 0.00001);
}
public void CalculateTest()
{
CtgCalculator calculator = new CtgCalculator();
Assert.AreEqual(0, Math.Round(calculator.Calculate(90)));
Assert.AreEqual(1, Math.Round(calculator.Calculate(45)));
}