[TestCase(-2, CalcOperatorType.Division, 3, 2, -0.67)] // 1 / 6
public void Precision(double op1, CalcOperatorType calcType, double op2, int precision, double expected)
{
var sut = new CalculatorAPI();
sut.AddNumber(op1);
sut.AddOperator(new CalcOperator(calcType));
sut.AddNumber(op2);
Assert.AreEqual(expected, sut.Value(precision));
}
[TestCase(6, CalcOperatorType.Division, 0.5, 12)] // 6 / 0.5
public void TwoOperandsAPI(double op1, CalcOperatorType calcType, double op2, double expected)
{
var sut = new CalculatorAPI();
sut.AddNumber(op1);
sut.AddOperator(new CalcOperator(calcType));
sut.AddNumber(op2);
Assert.AreEqual(expected, sut.Value());
}
[TestCase(3, CalcOperatorType.Addition)] // 3 +
public void SingleOperandExceptionAPI(double op1, CalcOperatorType calcType)
{
var sut = new CalculatorAPI();
sut.AddNumber(op1);
sut.AddOperator(new CalcOperator(calcType));
double x;
var ex = Assert.Throws <System.AggregateException>(() => x = sut.Value());
Assert.AreEqual("One or more errors occurred. (Response status code does not indicate success: 400 (Bad Request).)", ex.Message);
}