public void Subtract_NonNumber_ShouldThrowExeption(string inputString)
{
var sut = new StringCalculator();
Action result = () => sut.Subtract(inputString);
result.Should().Throw <ArgumentException>();
}
public void Subtract_ValidNumbers_CorrectDifference(string inputString, decimal expectedResult)
{
var sut = new StringCalculator();
var result = sut.Subtract(inputString);
result.Should().Be(expectedResult);
}
public void Test_CalculatorServiceStretch05_Subtract(string caclString, double expected)
{
// Arrange
var svc = new CalculatorServiceReq08();
var calc = new StringCalculator(svc);
// Act
var actual = calc.Subtract(caclString);
// Assert
Assert.AreEqual(actual, expected, 0.001, "calc");
}