public void Calculate(double argument, double result)
{
var calculator = new Cos();
var testResult = calculator.Calculate(argument);
Assert.AreEqual(result, testResult);
}
public void CalculateTest(double argument, double result, double accracy)
{
var testingFunction = new Cos();
var testResult = testingFunction.Calculate(argument);
Assert.AreEqual(result, testResult, accracy);
}