public void Add_Handles_Multiple_Single_Character_Delimiters()
{
string calcProgram = "//[*][%]\n1*2%3";
StringCalculator calc = new StringCalculator();
int result = calc.Add(calcProgram);
Assert.AreEqual(6, result);
}
public void Add_Handles_Multi_Character_Delimiter()
{
string calcProgram = "//[***]\n1***2***3";
StringCalculator calc = new StringCalculator();
int result = calc.Add(calcProgram);
Assert.AreEqual(6, result);
}
public void Add_SumsTwoNumbers_SeparatedByComma()
{
StringCalculator calc = new StringCalculator();
int result = calc.Add("1,2");
Assert.AreEqual(3, result);
}
public void Add_SumsSingleNumber()
{
StringCalculator calc = new StringCalculator();
int result = calc.Add("1");
Assert.AreEqual(1, result);
}
public void Add_SumsMultipleNumbers_SeparatedByComma()
{
StringCalculator calc = new StringCalculator();
int result = calc.Add("1,2,3,4");
Assert.AreEqual(10, result);
}
public void Add_SumsEmptyString()
{
StringCalculator calc = new StringCalculator();
int result = calc.Add("");
Assert.AreEqual(0, result);
}
public void Add_Ingores_Numbers_Larger_Than_1000()
{
StringCalculator calc = new StringCalculator();
int result = calc.Add("2,1001");
Assert.AreEqual(2, result);
}
public void Add_DefaultDelimiterSpecifiedFirstLine()
{
StringCalculator calc = new StringCalculator();
int result = calc.Add("//;\n1;2");
Assert.AreEqual(3, result);
}
public void Add_Allows_Comma_Or_Newline_Delimiters()
{
StringCalculator calc = new StringCalculator();
int result = calc.Add("1\n2,3");
Assert.AreEqual(6, result);
}
public void Add_With_Negative_Number_Throws_Exception()
{
StringCalculator calc = new StringCalculator();
int result = calc.Add("-1");
}
public void Add_With_Negative_Number_Includes_Number_In_Exception_Message()
{
StringCalculator calc = new StringCalculator();
try
{
int result = calc.Add("-1");
}
catch (Exception exception)
{
Assert.IsTrue(exception.Message.Contains("-1"));
}
}
public StringCalculatorFacts()
{
stringCalculator = new StringCalculator();
}