public void ComplexExpressionReturnThreePrecisionPoints()
{
RpnCalculator calculator = new RpnCalculator();
string expression = "2 3 / 2.21 *";
Assert.That(calculator.Calculate(expression) == (decimal)1.473);
}
public void EmptyExpressionThenThrowException()
{
RpnCalculator calculator = new RpnCalculator();
string expression = "";
Assert.Throws(typeof(ArgumentNullException), delegate { calculator.Calculate(expression); });
}
public void ReturnThreePrecisionPointsWithRoundUp()
{
RpnCalculator calculator = new RpnCalculator();
string expression = "2.000 3 /";
Assert.That(calculator.Calculate(expression) == (decimal)0.667);
}
public void DivideTwoNumbersWorks()
{
RpnCalculator calculator = new RpnCalculator();
string expression = "1 2 /";
Assert.That(calculator.Calculate(expression) == (decimal)0.5);
}
public void ComplexExpressionWorks()
{
RpnCalculator calculator = new RpnCalculator();
string expression = "15 7 1 1 + - / 3 * 2 1 1 + + -";
Assert.That(calculator.Calculate(expression) == 5);
}
public void MinusTwoNumbersWorks()
{
RpnCalculator calculator = new RpnCalculator();
string expression = "4 5 -";
Assert.That(calculator.Calculate(expression) == -1);
}
public void MultiplyTwoNumbersWorks()
{
RpnCalculator calculator = new RpnCalculator();
string expression = "2 3 *";
Assert.That(calculator.Calculate(expression) == 6);
}
public void DecimalFactorialOperatorThenThrowException()
{
RpnCalculator calculator = new RpnCalculator();
string expression = "2.2 !";
Assert.Throws(typeof(ArgumentOutOfRangeException), delegate { calculator.Calculate(expression); });
}
public void DecimalExponentialOperatorWorks()
{
RpnCalculator calculator = new RpnCalculator();
string expression = "2.2 3 ^";
Assert.That(calculator.Calculate(expression) == (decimal)10.648);
}
public void InputHasFactorialOperator()
{
RpnCalculator calculator = new RpnCalculator();
string expression = "4 !";
Assert.That(calculator.Calculate(expression) == (decimal)24);
}
public void PlusTwoNumbersWorks()
{
RpnCalculator calculator = new RpnCalculator();
string expression = "1 2 +";
Assert.That(calculator.Calculate(expression) == 3);
}
public void ComplexExpressionAndDecimalPercentageOperatorWorks()
{
RpnCalculator calculator = new RpnCalculator();
string expression = "3.76 25.5 % -";
Assert.That(calculator.Calculate(expression) == (decimal)3.505);
}
public void ComplexExpressionAndPercentageOperatorWorks()
{
RpnCalculator calculator = new RpnCalculator();
string expression = "1 10 % +";
Assert.That(calculator.Calculate(expression) == (decimal)1.1);
}
public void PercentageOperatorWorks()
{
RpnCalculator calculator = new RpnCalculator();
string expression = "10 %";
Assert.That(calculator.Calculate(expression) == (decimal)0.1);
}
