public void Add_Given2Digits_ShouldReturnTheSum()
{
//---------------Set up test pack-------------------
const string input = "1,2";
const int expected = 3;
var calculator = new Calculator();
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var result = calculator.Add(input);
//---------------Test Result -----------------------
Assert.AreEqual(expected, result);
}
public void Add_Given1Digit_ShouldReturnIntegerValueOfDigit()
{
//---------------Set up test pack-------------------
const string input = "1";
const int expected = 1;
var calculator = new Calculator();
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var result = calculator.Add(input);
//---------------Test Result -----------------------
Assert.AreEqual(expected, result);
}
public void Add_GivenNegativeNumber_ShouldThrowException()
{
//---------------Set up test pack-------------------
const string input = "-1,-2,3";
const string expected = "negatives not allowed: -1-2";
var calculator = new Calculator();
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var exception = Assert.Throws<Exception>(() => calculator.Add(input));
//---------------Test Result -----------------------
Assert.AreEqual(expected, exception.Message);
}
public void Add_GivenDigitsGreaterthan1000_ShouldIgnoreTheDigit()
{
//---------------Set up test pack-------------------
const string input = "3,1003";
const int expected = 3;
var calculator = new Calculator();
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var result = calculator.Add(input);
//---------------Test Result -----------------------
Assert.AreEqual(expected, result);
}
public void Add_Given3DigitsWithCustomDelimiter_ShouldReturnTheSum()
{
//---------------Set up test pack-------------------
const string input = "//;\n1;2;3";
const int expected = 6;
var calculator = new Calculator();
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var result = calculator.Add(input);
//---------------Test Result -----------------------
Assert.AreEqual(expected, result);
}