public void DivideCommand_WithOneNumberInStack_FailExecute()
{
var command = new DivideCommand();
var stack = new Stack <decimal>();
stack.Push(1);
Exception ex = Assert.Throws <CalculateException>(() => command.Calculate(stack));
Assert.Equal("Невозможно разделить 2 числа", ex.Message);
}
public void DivideCommand_DivideByZero_FailExecute()
{
var command = new DivideCommand();
var stack = new Stack <decimal>();
stack.Push(1);
stack.Push(0);
Exception ex = Assert.Throws <CalculateException>(() => command.Calculate(stack));
Assert.Equal("деление ноль", ex.Message);
}
public void DivideCommand_WithTwoNumberInStack_DivideInStack()
{
var command = new DivideCommand();
var stack = new Stack <decimal>();
stack.Push(6);
stack.Push(4);
command.Calculate(stack);
Assert.Single(stack);
Assert.Equal(1.5m, stack.Peek());
}
