public void EmptyParametherTest()
{
var calc = new StringCalculatorClass();
var result = calc.StringCalculator("");
Assert.AreEqual(0, result);
}
public void ManyParamethersTest()
{
var calc = new StringCalculatorClass();
var result = calc.StringCalculator("1,2,3,4");
Assert.AreEqual(10, result);
}
public void GivenAnEmptyStringReturnZero()
{
//Arrange
var stringCalculator = new StringCalculatorClass();
//Act
var emptyString = stringCalculator.Calculate("");
//Assert
Assert.Equal(0, emptyString);
}
public void DissalowNegativeNumbers()
{
//Arrange
var stringCalculator = new StringCalculatorClass();
//Act
var throws = Assert.Throws <ArgumentException>(() => stringCalculator.Calculate("1,-2,-3"));
//Assert
Assert.Equal("error: negatives not allowed", throws.Message);
}
public void ReturnsAdditionWhenANewLineSeparatorIsUsed()
{
//Arrange
var stringCalculator = new StringCalculatorClass();
//Act
var newLineSperator = stringCalculator.Calculate("1\n2,3");
//Assert
Assert.Equal(6, newLineSperator);
}
public void AnyNumberOfNumbersReturnsThereAddition()
{
//Arrange
var stringCalculator = new StringCalculatorClass();
//Act
var manyNumbers = stringCalculator.Calculate("1,2,3,4,5,6,7,8,9");
//Assert
Assert.Equal(45, manyNumbers);
}
public void TwoNumbersReturnThereAddition()
{
//Arrange
var stringCalculator = new StringCalculatorClass();
//Act
var oneNumber = stringCalculator.Calculate("4,4");
//Assert
Assert.Equal(8, oneNumber);
}
public void GivenASingleNumberReturnNumber()
{
//Arrange
var stringCalculator = new StringCalculatorClass();
//Act
var oneNumber = stringCalculator.Calculate("4");
//Assert
Assert.Equal(4, oneNumber);
}