public void Can_compute_Negative_numbers_as_second_operande()
{
//Arrange
var calculator = new InvertedPolishCalculator();
var expectedResult = -2;
//Act
var result = calculator.Compute("1 -2 *");
//Assert
Assert.Equal(expectedResult, result);
}
public void Can_compute_nested_additions()
{
//Arrange
var calculator = new InvertedPolishCalculator();
var expectedResult = 3;
//Act
var result = calculator.Compute("1 1 1 + +");
//Assert
Assert.Equal(expectedResult, result);
}
public void Can_Compute_Multiplication()
{
//Arrange
var calculator = new InvertedPolishCalculator();
var expectedResult = 10;
//Act
var result = calculator.Compute("2 5 *");
//Assert
Assert.Equal(expectedResult, result);
}
public void Can_Compute_Division()
{
//Arrange
var calculator = new InvertedPolishCalculator();
var expectedResult = 5;
//Act
var result = calculator.Compute("10 2 /");
//Assert
Assert.Equal(expectedResult, result);
}
public void Can_Compute_Substraction()
{
//Arrange
var calculator = new InvertedPolishCalculator();
var expectedResult = 1;
//Act
var result = calculator.Compute("2 1 -");
//Assert
Assert.Equal(expectedResult, result);
}
