public void SingleSubtractionNegativeResult()
{
// SETUP
var calc = new Calculator_Core();
var input = "5-8";
Tuple <string, double> expectedResult = new Tuple <string, double>(input, -3);
// EXECUTE
var result = calc.CalculateFromString(input);
// ASSERT
Assert.AreEqual(expectedResult, result);
}
public void SingleMultiplicationPositives()
{
// SETUP
var calc = new Calculator_Core();
var input = "5*8";
Tuple <string, double> expectedResult = new Tuple <string, double>(input, 40);
// EXECUTE
var result = calc.CalculateFromString(input);
// ASSERT
Assert.AreEqual(expectedResult, result);
}
public void SingleDivisionOneNegatives()
{
// SETUP
var calc = new Calculator_Core();
var input = "40/-8";
Tuple <string, double> expectedResult = new Tuple <string, double>(input, -5);
// EXECUTE
var result = calc.CalculateFromString(input);
// ASSERT
Assert.AreEqual(expectedResult, result);
}
public void AdditionOfTwoNegativeValues()
{
// SETUP
var calc = new Calculator_Core();
var input = "-8+-3";
Tuple <string, double> expectedResult = new Tuple <string, double>(input, -11);
// EXECUTE
var result = calc.CalculateFromString(input);
// ASSERT
Assert.AreEqual(expectedResult, result);
}
public void DecimalNoLeadingNumber()
{
// SETUP
var calc = new Calculator_Core();
var input = ".5/-.25";
Tuple <string, double> expectedResult = new Tuple <string, double>(input, -2);
// EXECUTE
var result = calc.CalculateFromString(input);
// ASSERT
Assert.AreEqual(expectedResult, result);
}
public void SingleAdditionPositiveResult()
{
// SETUP
var calc = new Calculator_Core();
var input = "-3.5+4.5";
Tuple <string, double> expectedResult = new Tuple <string, double>(input, 1);
// EXECUTE
var result = calc.CalculateFromString(input);
// ASSERT
Assert.AreEqual(expectedResult, result);
}
public void MassOrderOfOperations()
{
// SETUP
var calc = new Calculator_Core();
var input = "3+4*(5+20)/5*2";
Tuple <string, double> expectedResult = new Tuple <string, double>(input, 43);
// EXECUTE
var result = calc.CalculateFromString(input);
// ASSERT
Assert.AreEqual(expectedResult, result);
}
public void Brackets()
{
// SETUP
var calc = new Calculator_Core();
var input = "(5+20)/5";
Tuple <string, double> expectedResult = new Tuple <string, double>(input, 5);
// EXECUTE
var result = calc.CalculateFromString(input);
// ASSERT
Assert.AreEqual(expectedResult, result);
}
public void DivisionAndAddition()
{
// SETUP
var calc = new Calculator_Core();
var input = "-3+20/-5";
Tuple <string, double> expectedResult = new Tuple <string, double>(input, -7);
// EXECUTE
var result = calc.CalculateFromString(input);
// ASSERT
Assert.AreEqual(expectedResult, result);
}