static void Main(string[] args)
{
while (true)
{
var stringCalculator = new StringCalculator(Console.ReadLine());
Console.WriteLine(stringCalculator.CalculateSum());
}
}
public void TestTwoDelimiters()
{
// Arrange
string input = "1\n2,3";
var expected = "1+2+3 = 6";
var stringCalculator = new StringCalculator.StringCalculator(input);
// Act
var actual = stringCalculator.CalculateSum();
// Assert
Assert.AreEqual(expected, actual);
}
public void TestOneInput()
{
// Arrange
string input = "5";
var expected = "5 = 5";
var stringCalculator = new StringCalculator.StringCalculator(input);
// Act
var actual = stringCalculator.CalculateSum();
// Assert
Assert.AreEqual(expected, actual);
}
public void TestWhitespaces()
{
// Arrange
string input = "20 , 40 ";
var expected = "20+40 = 60";
var stringCalculator = new StringCalculator.StringCalculator(input);
// Act
var actual = stringCalculator.CalculateSum();
// Assert
Assert.AreEqual(expected, actual);
}
public void TestMultipleDelimitersWithCharacters()
{
// Arrange
string input = "//[*][!!][r9r]\n11r9r22*33!!44";
var expected = "11+22+33+44 = 110";
var stringCalculator = new StringCalculator.StringCalculator(input);
// Act
var actual = stringCalculator.CalculateSum();
// Assert
Assert.AreEqual(expected, actual);
}
public void TestMultipleDelimitersWithLargeNumber()
{
// Arrange
string input = "//[**][((]\n11((22**33**500000**10";
var expected = "11+22+33+0+10 = 76";
var stringCalculator = new StringCalculator.StringCalculator(input);
// Act
var actual = stringCalculator.CalculateSum();
// Assert
Assert.AreEqual(expected, actual);
}
public void TestMultipleDelimiters()
{
// Arrange
string input = "//[**][((]\n11((22**33";
var expected = "11+22+33 = 66";
var stringCalculator = new StringCalculator.StringCalculator(input);
// Act
var actual = stringCalculator.CalculateSum();
// Assert
Assert.AreEqual(expected, actual);
}
public void TestParenthesisMultipleCharacterDelimiter()
{
// Arrange
string input = "//[((]\n11((22((33";
var expected = "11+22+33 = 66";
var stringCalculator = new StringCalculator.StringCalculator(input);
// Act
var actual = stringCalculator.CalculateSum();
// Assert
Assert.AreEqual(expected, actual);
}
public void TestSingleCharacterDelimiter()
{
// Arrange
string input = "//;\n2;5";
var expected = "0+2+5 = 7";
var stringCalculator = new StringCalculator.StringCalculator(input);
// Act
var actual = stringCalculator.CalculateSum();
// Assert
Assert.AreEqual(expected, actual);
}
public void TestLargeNumbers()
{
// Arrange
string input = "1\n2000, 123456789,80,";
var expected = "1+0+0+80+0 = 81";
var stringCalculator = new StringCalculator.StringCalculator(input);
// Act
var actual = stringCalculator.CalculateSum();
// Assert
Assert.AreEqual(expected, actual);
}
public void TestSingleDelimiterWithEmptyEntry()
{
// Arrange
string input = "1\n2,";
var expected = "1+2+0 = 3";
var stringCalculator = new StringCalculator.StringCalculator(input);
// Act
var actual = stringCalculator.CalculateSum();
// Assert
Assert.AreEqual(expected, actual);
}
public void TestHappyPath()
{
// Arrange
var input = "1,2,3,4,5,6,7,8,9,10,11,12";
var expected = "1+2+3+4+5+6+7+8+9+10+11+12 = 78";
var stringCalculator = new StringCalculator.StringCalculator(input);
// Act
var actual = stringCalculator.CalculateSum();
// Assert
Assert.AreEqual(expected, actual);
}
public void TestExceptionForNegativeNumbers()
{
// Arrange
string input = "-50,100,-100,200";
var expectedExceptionMessage = "Unable to process negative numbers: -50, -100";
var stringCalculator = new StringCalculator.StringCalculator(input);
// Act
try
{
var actual = stringCalculator.CalculateSum();
// Fail if no exception thrown
Assert.Fail();
}
// Assert
catch (ArgumentOutOfRangeException ex)
{
Assert.IsTrue(ex.Message.Contains(expectedExceptionMessage));
}
catch (Exception)
{
Assert.Fail();
}
}
