public void ThrowsExceptionGivenNegative()
{
// Arrange
var sc = new StringCalc();
string input = "-1,5,-4";
// Act
Exception exception = Assert.Throws <ArgumentException>(() => sc.Add(input));
string output = "Negatives not allowed: -1,-4";
// Assert
Assert.Equal(exception.Message, output);
}
public void HandlesUserDefinedDelimeter()
{
// Arrange
var sc = new StringCalc();
int expected = 27;
string input = "//;\n8;10;9";
// Act
int output = sc.Add(input);
// Assert
Assert.Equal(expected, output);
}
public void EmptyStringReturns0()
{
// Arrange
var sc = new StringCalc();
int expected = 0;
string input = "";
// Act
int output = sc.Add(input);
// Assert
Assert.Equal(expected, output);
}
public void StringWithNewLineSplitReturnsSum()
{
// Arrange
var sc = new StringCalc();
int expected = 27;
string input = "8,10\n9";
// Act
int output = sc.Add(input);
// Assert
Assert.Equal(expected, output);
}
public void StringWithTwoNumReturnsSum()
{
// Arrange
var sc = new StringCalc();
int expected = 19;
string input = "10,9";
// Act
int output = sc.Add(input);
// Assert
Assert.Equal(expected, output);
}
public void StringWithOneNumReturnsNum()
{
// Arrange
var sc = new StringCalc();
int expected = 5;
string input = "5";
// Act
int output = sc.Add(input);
// Assert
Assert.Equal(expected, output);
}
