public void IgnoreValuesGreaterThan1000ReturnsSum()
{
//Arrange
Calculator calc = new Calculator();
string input = "10,20,\n30,1000,1001";
//Act
double answer = calc.Sum(input);
//Assert
Assert.AreEqual(1060.0, answer, 0.0001);
}
public void DivideNumbersReturnSum()
{
//Arrange
Calculator calc = new Calculator();
//Act
double sum = calc.Div(10.0, 2.0);
//Assert
Assert.AreEqual(5.0, sum, 0.01);
}
public void EmptyStringReturnsSumZero()
{
//Arrange
Calculator calc = new Calculator();
string input = "";
//Act
double answer = calc.Sum(input);
//Assert
Assert.AreEqual(0.0, answer,0.0001);
}
public void AddArrayOfNumbersReturnSum()
{
//Arrange
Calculator calc = new Calculator();
double[] numbers = new double[5] { 1, 2, 3, 4, 5 };
//Act
double sum = calc.Add(numbers);
//Assert
Assert.AreEqual(15.0, sum, 0.01);
}
public void AddNumbersReturnSum()
{
//Arrange
Calculator calc = new Calculator();
//Act
double sum = calc.Add(10.0, 10.0);
//Assert
Assert.AreEqual(20.0, sum, 0.01); //3:e parameter är Deltavärde då man inte kan jämföra för exakt lika med noll med flyttal.
}
public void NegativeNumbersCastsException()
{
//Arrange
Calculator calc = new Calculator();
string input = "10\n-20,30";
//Act
double answer = calc.Sum(input);
}
public void MultiplyNumbersReturnSum()
{
//Arrange
Calculator calc = new Calculator();
//Act
double sum = calc.Mul(10.0, 10.0);
//Assert
Assert.AreEqual(100.0, sum, 0.01);
}
public void TwoValuesWithNewLineStringReturnsSum()
{
//Arrange
Calculator calc = new Calculator();
string input = "10\n20";
//Act
double answer = calc.Sum(input);
//Assert
Assert.AreEqual(30.0, answer, 0.0001);
}
public void TryDivideByZeroCastsException()
{
//Arrange
Calculator calc = new Calculator();
//Act
double sum = calc.Div(10.0, 0.0);
}
public void TestNumIsPositiveReturnsTrue()
{
//Arrange
Calculator calc = new Calculator();
//Act
bool answer = calc.IsPositive(0.0);
//Assert
Assert.AreEqual(true, answer);
}
public void TestNumIsNegativeReturnsFalse()
{
//Arrange
Calculator calc = new Calculator();
//Act
bool answer = calc.IsPositive(-1.0);
//Assert
Assert.AreEqual(false, answer);
}
public void SingleValueStringReturnsValue()
{
//Arrange
Calculator calc = new Calculator();
string input = "10";
//Act
double answer = calc.Sum(input);
//Assert
Assert.AreEqual(10.0, answer, 0.0001);
}