public void Add_CustomMultiCharacterDelimitersSurroundedBySquareBraces_AreValid(string numbers, int expectedSum)
{
var sut = new StringCalculator20191205();
var result = sut.Add(numbers);
Assert.AreEqual(expectedSum, result);
}
public void Add_NegativeNumbers_ThrowsExceptionWithMessageContainingTheInvalidNumbers(string numbers, string expectedExceptionMessage)
{
var sut = new StringCalculator20191205();
var exception = Assert.ThrowsException <Exception>(() => sut.Add(numbers));
Assert.IsTrue(exception.Message.Contains(expectedExceptionMessage));
}
public void Add_NumbersGreaterThan1000_AreIgnored(string numbers, int expectedSum)
{
var sut = new StringCalculator20191205();
var result = sut.Add(numbers);
Assert.AreEqual(expectedSum, result);
}
public void Add_ACustomDelimiterIsSpecifiedOnFirstLine_DelimiterIsUsed(string numbers, int expectedSum)
{
var sut = new StringCalculator20191205();
var result = sut.Add(numbers);
Assert.AreEqual(expectedSum, result);
}
public void Add_NumbersSeparatedByNewLines_IsAlsoValid()
{
var sut = new StringCalculator20191205();
var result = sut.Add("1\n8\n2");
Assert.AreEqual(11, result);
}
public void Add_TwoNumbersSeparatedByAComma_ReturnsSumOfNumbers(string numbers, int expectedSum)
{
var sut = new StringCalculator20191205();
var result = sut.Add(numbers);
Assert.AreEqual(expectedSum, result);
}
public void Add_SingleNumber_ReturnsNumber()
{
var sut = new StringCalculator20191205();
var result = sut.Add("9");
Assert.AreEqual(9, result);
}
public void Add_EmptyString_ReturnsZero()
{
var sut = new StringCalculator20191205();
var result = sut.Add("");
Assert.AreEqual(0, result);
}
