public void Add_MultipleDelimitersSpecified_IsValid(string numbers, int expectedSum)
{
var sut = new StringCalculator20191204();
var result = sut.Add(numbers);
Assert.AreEqual(expectedSum, result);
}
public void Add_NumbersGreaterThan1000_AreIgnored(string numbers, int expectedSum)
{
var sut = new StringCalculator20191204();
var result = sut.Add(numbers);
Assert.AreEqual(expectedSum, result);
}
public void Add_EmptyString_ReturnsZero()
{
var sut = new StringCalculator20191204();
var result = sut.Add("");
Assert.AreEqual(0, result);
}
public void Add_NegativeValues_ThrowsExceptionWithErrorMessageContainingTheInvalidValues()
{
var sut = new StringCalculator20191204();
var exception = Assert.ThrowsException <Exception>(() => sut.Add("2,-4,10,-2"));
Assert.IsTrue(exception.Message.Contains("-4,-2"));
}
public void Add_DelimiterSpecifiedOnFirstLine_UsesSpecifiedDelimiterOnTopOfDefaultDelimiters()
{
var sut = new StringCalculator20191204();
var result = sut.Add("//;\n1;5;10;3,0\n2");
Assert.AreEqual(21, result);
}
public void Add_NewLineDelimiter_IsAlsoValid()
{
var sut = new StringCalculator20191204();
var result = sut.Add("1\n3,5");
Assert.AreEqual(9, result);
}
public void Add_MultipleNumbersSeparatedByCommas_ReturnsSumOfNumbers(string numbers, int expectedSum)
{
var sut = new StringCalculator20191204();
var result = sut.Add(numbers);
Assert.AreEqual(expectedSum, result);
}
public void Add_SingleNumber_ReturnsNumber()
{
var sut = new StringCalculator20191204();
var result = sut.Add("9");
Assert.AreEqual(9, result);
}
