public void GivenAnEmptyStringShouldReturnZero()
{
var calculator = new StringCalculator();
var expected = 0;
Assert.AreEqual(expected, calculator.Add(string.Empty));
}
public void GivenConsecutiveDelimetersShouldThrowException()
{
var calculator = new StringCalculator();
var expected = -1;
Assert.Throws(typeof(ArgumentException), () => calculator.Add(",,"));
}
public void GivenASingleNumberShouldReturnNumber()
{
var calculator = new StringCalculator();
var expected = 1;
Assert.AreEqual(expected, calculator.Add("1"));
}
public void GivenNewLineAsDelimeterShouldReturnSumOfAllNumbers()
{
var calculator = new StringCalculator();
var expected = 6;
Assert.AreEqual(expected, calculator.Add("1\n2\n3"));
}
public void GivenMultipleNumbersShouldReturnSumOfAllNumbers()
{
var calculator = new StringCalculator();
var expected = 6;
Assert.AreEqual(expected, calculator.Add("1,2,3"));
}
public void NegativeNumberErrorMessageShouldContainNegativeNumber()
{
var calculator = new StringCalculator();
var error = Assert.Throws(typeof(ArgumentOutOfRangeException), () => calculator.Add("-1,2"));
Assert.True(error.Message.Contains("-1"));
}
public void GivenTwoNumbersShouldReturnTheSumOfBothNumbers()
{
var calculator = new StringCalculator();
var expected = 3;
Assert.AreEqual(expected, calculator.Add("1,2"));
}
public void QuandoEseguoIlCalcolo()
{
var stringa = ScenarioContext.Current.Get<string>("stringa");
var stringCalculator = new StringCalculator();
var result = stringCalculator.Add(stringa);
ScenarioContext.Current.Add("somma", result);
}
public void Add_ShouldBeAbleToHandleNewLineInParameterString()
{
var calculator = new StringCalculator();
var result = calculator.Add(@"1
2");
Assert.AreEqual(3, result);
}
public void Add_ShouldBeAbleToHandleUserDefinedDelimiter()
{
var calculator = new StringCalculator();
var result = calculator.Add(@"//;
1;2");
Assert.AreEqual(3, result);
}
public void GivenANegativeNumberShouldReturnThrowAnException()
{
var calculator = new StringCalculator();
var expected = -1;
Assert.Throws(typeof(ArgumentOutOfRangeException), () => calculator.Add("-1,2"));
}
public void Add_ShouldBeAbleToHandleBothNewLineAndCommaParameterString()
{
var calculator = new StringCalculator();
var result = calculator.Add(@"1,
2,3");
Assert.AreEqual(6, result);
}
public void Add_WhenAnEmptyStringIsUsedThenZeroIsReturned()
{
StringCalculator sc = new StringCalculator();
string emptyParameter = string.Empty;
var result = sc.Add(emptyParameter);
Assert.AreEqual(0, result);
}
public void Add_ProvidedNumbersInStringWithCustomDelimiters_ReturnValue(string input, int expectedOutput)
{
var stringCalculator = new StringCalculator();
var result = stringCalculator.Add(input);
Assert.AreEqual(expectedOutput, result);
}
public void Add_WhenANewLineCharacterIsUsedThenItIsTreatedAsADelimiterAndTheSumOfTheNumbersIsReturned()
{
StringCalculator sc = new StringCalculator();
string twoNumberParameter = "1,2\n3,4,5";
var result = sc.Add(twoNumberParameter);
Assert.AreEqual(1 + 2 + 3 + 4 + 5, result);
}
public void Add_WhenAMultipleCharacterDelimiterIsSpecfiedInTheNumberParameterThenItIsUsedToSeparateTheNumbers()
{
StringCalculator sc = new StringCalculator();
string numbersParameter = "//[---]\n1---2---3---4---5";
var result = sc.Add(numbersParameter);
Assert.AreEqual(1 + 2 + 3 + 4 + 5, result);
}
public void Add_WhenAnyNumbersofNumbersAreUsedThenTheSumOfTheNumbersIsReturned()
{
StringCalculator sc = new StringCalculator();
string twoNumberParameter = "1,2,3,4,5";
var result = sc.Add(twoNumberParameter);
Assert.AreEqual(1 + 2 + 3 + 4 + 5, result);
}
public void Add_WhenOneNumberIsUsedThenThatNumberIsReturned()
{
StringCalculator sc = new StringCalculator();
string oneNumberParameter = "1";
var result = sc.Add(oneNumberParameter);
Assert.AreEqual(1, result);
}
public void Add_WhenADelimiterParameterIsSpecfiedThenItIsUsedToSeparateTheNumbers()
{
StringCalculator sc = new StringCalculator();
string twoNumberParameter = "1;2;3;4;5";
string[] delimiters = new string[] { ";" };
var result = sc.Add(twoNumberParameter, delimiters);
Assert.AreEqual(1 + 2 + 3 + 4 + 5, result);
}
public void should_return_zero_for_empty_string()
{
//arrange
var calc = new StringCalculator();
//act
var result = calc.Add("");
//accert
result.ShouldBeEquivalentTo(0);
}
public void should_handle_one_number()
{
//arrange
var calc = new StringCalculator();
var randomNumber = new Random().Next(10);
//act
var result = calc.Add(randomNumber.ToString());
//accert
result.ShouldBeEquivalentTo(randomNumber);
}
public void should_handle_new_line_separator()
{
//arrange
var calc = new StringCalculator();
//act
var result = calc.Add("1\n2,3");
//accert
result.ShouldBeEquivalentTo(6);
}
public void Add_ThreeNumbers10And21And15WithNewLineDemilter_Returns46()
{
//Arrange
var stringCalculator = new StringCalculator();
//Act
var result = stringCalculator.Add("10\n21\n15");
//Assert
Assert.AreEqual(46, result);
}
public void Add_GivenMultipleNumbersSeparatedByAComma_ShouldReturnTheirSum(string numbers, int expected)
{
//Arrange
var sut = new StringCalculator();
//Act
var actual = sut.Add(numbers);
//Assert
Assert.AreEqual(expected, actual);
}
public void Adding_multiple_numbers_returns_sum(string numbers, int sum)
{
//Arrange
var caluculator = new StringCalculator();
//Act
var result = caluculator.Add(numbers);
//Assert
Assert.That(result, Is.EqualTo(sum));
}
public void Test_Add_Should_ReturnZero_When_CalledWithEmptyString()
{
// Arrange
StringCalculator calc = new StringCalculator();
// Act
var result = calc.Add(String.Empty);
// Assert
Assert.AreEqual(0, result, "Result should be zero!");
}
public void Test_Add_Should_ReturnSum_When_CalledWithTwoNumbers()
{
// Arrange
StringCalculator calc = new StringCalculator();
// Act
var result = calc.Add("1,2");
// Assert
Assert.AreEqual(3, result, "Result should be 3.");
}
public void Add_GivenNumbersWithNewLineInBetweenandSingleDelimeter_ShouldReturnTheSumOfNumbers(string numbers, int expected)
{
//Arrange
var createStringCalculator = new StringCalculator();
//Act
var actual = createStringCalculator.Add(numbers);
//Assert
Assert.AreEqual(actual, expected);
}
public void Add_GivenNumbersThatAreGreaterThan1000_ShouldIgnoreThem(string numbers, int expected)
{
//Arrange
var sut = new StringCalculator();
//Act
var actual = sut.Add(numbers);
//Assert
Assert.AreEqual(expected, actual);
}
public void Add_SingleNumber_ReturnsSameNumber()
{
//Arrange
var stringCalculator = new StringCalculator();
//Act
var actual = stringCalculator.Add("0");
//Assert
Assert.Equal(0, actual);
}
public void Add_GivenNegativeNumbers_ShouldReturnNegativesNotAllowedAndThoseNegativeNumbers(string numbers, string expected)
{
//Arrange
var sut = new StringCalculator();
//Act
var actual = Assert.Throws <Exception>(() => sut.Add(numbers));
//Assert
Assert.AreEqual(expected, actual.Message);
}
public void Add_GivenStringHavingMultipleCharDelimitersOfAnyLength_ShouldReturnTheSum(int expected, string input)
{
//Arrange
var sut = new StringCalculator();
//Act
var actual = sut.Add(input);
//Assert
Assert.AreEqual(expected, actual);
}
public void Add_WebService_Receives()
{
var custWebService = new TestWebService();
var c = new StringCalculator(null, custWebService);
try {
c.Add("1,-2");
}
catch { }
Assert.IsTrue(custWebService.message.Contains("Negatives"));
}
public void TestThatNegativeNumbersThrowAnException()
{
try
{
StringCalculator.Add("//$,#\n-1$2#3$1001");
}
catch (System.Exception ex)
{
Assert.AreEqual("Negatives not allowed\nThe invalid numbers were -1, ", ex.Message);
}
}
public void Add_Numbers_ReturnsSum(string input, int result)
{
//Arrange
StringCalculator calculator = new StringCalculator();
int answer = 0;
//Act
answer = calculator.Add(input);
//Assert
Assert.AreEqual(result, answer);
}
[Test]//[TestMethod]
public void Add_ThreeNumbers_ReturnsSum()
{
//Arrange
StringCalculator calculator = new StringCalculator();
int result = 0;
//Act
result = calculator.Add("1,2,3");
//Assert
Assert.AreEqual(6, result);
}
public void Add_EmptyString_ReturnsZero()
{
// Arrange
var stringCalculator = new StringCalculator();
// Act
var actual = stringCalculator.Add("");
// Assert
Assert.Equal(0, actual);
}
public void Add_InputNullOrAlphabetic_ThrowsArgumentException(string input)
{
//Arrange
var stringCalculator = new StringCalculator();
//Act
Action actual = () => stringCalculator.Add(input);
//Assert
Assert.Throws <ArgumentException>(actual);
}
public void Add_GivenThreeNumbers_ShouldReturnTheSumOfNumbers(string numbers, int expected)
{
//Arrange
var createStringCalculator = new StringCalculator();
//Act
var actual = createStringCalculator.Add(numbers);
//Assert
Assert.AreEqual(actual, expected);
}
public void should_handle_two_numbers()
{
//arrange
var calc = new StringCalculator();
var oneNumber = new Random().Next(10);
var twoNumber = new Random().Next(10);
//act
var result = calc.Add(oneNumber + "," + twoNumber);
//accert
result.ShouldBeEquivalentTo(oneNumber + twoNumber);
}
public void NegativeNumbersShouldReturnExceptionWithNumbers()
{
try
{
StringCalculator.Add("1,-2,-3,5");
}
catch (NotSupportedException e)
{
Assert.AreEqual("negatives not allowed -2 -3", e.Message);
}
}
public void Add_TwoNumbers1And2_Returns3()
{
//Arrange
var stringCalculator = new StringCalculator();
//Act
var result = stringCalculator.Add("1,2");
//Assert
Assert.AreEqual(3, result);
}
public void Add_GivenASingleNumber_ShouldReturnThatNumber(string numbers, int expected)
{
//Arrange
var sut = new StringCalculator();
//Act
var actual = sut.Add(numbers);
//Assert
Assert.AreEqual(expected, actual);
}
public void Add_GivenStringWithOneNumber_ShouldReturnTheNumberItself(int expected, string input)
{
//Arrange
var sut = new StringCalculator();
//Act
var actual = sut.Add(input);
//ASsert
Assert.AreEqual(expected, actual);
}
public void Test_Add_Should_ReturnSingleNumber_When_CalledWithSingleNumber()
{
// Arrange
StringCalculator calc = new StringCalculator();
// Act
var result = calc.Add("1");
// Assert
Assert.AreEqual(1, result, "Result should be 1.");
}
public void Add_GivenStringWithUnkownAmountOfNumbers_ShouldReturnTheSum(int expected, string input)
{
//Arrange
var sut = new StringCalculator();
//Act
var actual = sut.Add(input);
//ASsert
Assert.AreEqual(expected, actual);
}
public void Test_Add_Should_ReturnSum_When_CalledWithMultipleNumbers(string input, int expectedResult)
{
// Arrange
StringCalculator calc = new StringCalculator();
// Act
var result = calc.Add(input);
// Assert
Assert.AreEqual(expectedResult, result);
}
public void Adding_one_number_returns_same_number(int number)
{
//Arrange
var caluculator = new StringCalculator();
//Act
var result = caluculator.Add(number.ToString());
//Assert
Assert.That(result, Is.EqualTo(number));
}
public void Add_GivenMultipleNumbersSeparatedByDifferentDelimetersAndNewLineInBetween_ShouldReturnTheirSum(string numbers, int expected)
{
//Arrange
var sut = new StringCalculator();
//Act
var actual = sut.Add(numbers);
//Assert
Assert.AreEqual(expected, actual);
}
public void Add_GivenStringWithNegativeNumbers_ShouldReturnTheSum(string expected, string input)
{
//Arrange
var sut = new StringCalculator();
//Act
var actual = Assert.Throws <Exception>(() => sut.Add(input));
//ASsert
Assert.AreEqual(expected, actual.Message);
}
public void Add_GivenStringWithNumbersMoreThan1000_ShouldReturnTheSumOfThoseEqualOrLessThan1000(int expected, string input)
{
//Arrange
var sut = new StringCalculator();
//Act
var actual = sut.Add(input);
//ASsert
Assert.AreEqual(expected, actual);
}
public void Add_ThreeNumbers10And21And15_Returns46()
{
//Arrange
var stringCalculator = new StringCalculator();
//Act
var result = stringCalculator.Add("10,21,15");
//Assert
Assert.AreEqual(46, result);
}
public void Add_GivenEmptyString_ShouldReturn0(int expected, string input)
{
//Arrange
var sut = new StringCalculator();
//Act
var actual = sut.Add(input);
//ASsert
Assert.AreEqual(expected, actual);
}
public void Add_GivenStringWithCustomDelimiter_ShouldReturnTheSum(int expected, string input)
{
//Arrange
var sut = new StringCalculator();
//Act
var actual = sut.Add(input);
//ASsert
Assert.AreEqual(expected, actual);
}
public void Add_MultipleNumbers_ReturnsSumOfNumbers(string input, int expected)
{
//Arrange
var stringCalculator = new StringCalculator();
//Act
var actual = stringCalculator.Add(input);
//Assert
Assert.Equal(expected, actual);
}
public void Adding_zero_numbers_returns_zero()
{
//Arrange
var calculator = new StringCalculator();
//Act
var result = calculator.Add("");
//Assert
Assert.That(result, Is.EqualTo(0));
}
public void AllowsSpecifiedOneCharDelimiters()
{
// arrange
var calc = new StringCalculator();
const string input = "//;\n1;2";
// act
var result = calc.Add(input);
// assert
Assert.AreEqual(3, result);
}
public void Add_GivenNegativeNumbers_ShouldReturnNegativesNotAllowedAndNumbersThatAreNegative()
{
//Arrange
var sut = new StringCalculator();
var numbers = "1\n-2,-3";
//Act
var expected = Assert.Throws <Exception> (() => sut.Add(numbers));
//Assert
Assert.AreEqual(" Negatives Not Allowed -2 -3", expected.Message);
}
public void write_in_file_StringCalculatorAdd_result()
{
var numbers = "1,2\n4";
SaveAction.Run(_save, numbers);
_sr = new StreamReader(_path);
var writeLine = _sr.ReadToEnd();
_sr.Close();
writeLine.Should().Contain(numbers.Replace("\n", "[\\n]") + " = " + StringCalculator.Add(numbers));
}
public void Add_NegativeNumbers_ThrowsFormatException(string input, string invalidNumbers)
{
// arrange
// act
Action act = () => StringCalculator.Add(input);
// assert
var exception = Assert.Throws <FormatException>(act);
Assert.Contains(invalidNumbers, exception.Message);
}