public void Add_GivenOneAndTwo_ShouldReturnThree()
{
//---------------Set up test pack-------------------
const string input = "1,2";
const int expected = 3;
var calculator = new Calculator();
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var actual = calculator.Add(input);
//---------------Test Result -----------------------
Assert.AreEqual(expected, actual);
}
public void Add_GivenNewLine_ShouldReturnSum()
{
//---------------Set up test pack-------------------
const string input = "1\n2,3";
const int expected = 6;
var calculator = new Calculator();
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var actual = calculator.Add(input);
//---------------Test Result -----------------------
Assert.AreEqual(expected, actual);
}
public void Add_GivenMultiDigitsNumber_ShouldReturnThatNumber()
{
//---------------Set up test pack-------------------
const string input = "999";
const int expected = 999;
var calculator = new Calculator();
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var actual = calculator.Add(input);
//---------------Test Result -----------------------
Assert.AreEqual(expected, actual);
}
public void Add_GivenEmptyString_ShouldReturnZero()
{
//---------------Set up test pack-------------------
const string input = "";
const int expected = 0;
var calculator = new Calculator();
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var actual = calculator.Add(input);
//---------------Test Result -----------------------
Assert.AreEqual(expected, actual);
}
public void Add_GivenMultiDelimitersOfAnyLength_ShouldReturnSum()
{
//---------------Set up test pack-------------------
const string input = "//[***][+++][&&]\n1***2+++3&&2";
const int expected = 8;
var calculator = new Calculator();
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var actual = calculator.Add(input);
//---------------Test Result -----------------------
Assert.AreEqual(expected, actual);
}
public void Add_GivenNumberBiggerThan1000_ShouldIgnore()
{
//---------------Set up test pack-------------------
const string input = "2,1005";
const int expected = 2;
var calculator = new Calculator();
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var actual = calculator.Add(input);
//---------------Test Result -----------------------
Assert.AreEqual(expected, actual);
}
public void Add_GivenNegativeNumber_ShouldThrow()
{
//---------------Set up test pack-------------------
const string input = "1,-2";
const string expected = "Negatives not allowed: -2";
var calculator = new Calculator();
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var actual = Assert.Throws<ApplicationException>(() => calculator.Add(input));
//---------------Test Result -----------------------
Assert.AreEqual(expected, actual.Message);
}