public void CanExtendWithAnyPower()
{
var calculator = new CalculatorBuilder()
.AddDefaultOperations()
.AddOperation("^", (prev, arg) => Math.Pow(prev, arg))
.Build();
calculator.Perform("+", 3)
.Perform("^", 3)
.Result
.Should()
.Be(27);
}
public void CanExtendWithSquareRoot()
{
var calculator = new CalculatorBuilder()
.AddDefaultOperations()
.AddOperation("root", (prev, arg) => Math.Pow(prev, 1 / arg))
.Build();
calculator.Perform("+", 4)
.Perform("root", 2)
.Result
.Should()
.Be(2);
}