public void TrySetQuantityID_negativeQuantity()
{
int number;
bool state = OrderValidator.TrySetQuantityID("-4", out number);
Assert.IsFalse(state);
}
public void TrySetQuantityID_invalidCharacter()
{
int number;
bool state = OrderValidator.TrySetQuantityID("x", out number);
Assert.IsFalse(state);
}
public void TrySetQuantityID_emptyString()
{
int number;
bool state = OrderValidator.TrySetQuantityID(" ", out number);
Assert.IsFalse(state);
}
public void TrySetQuantityID_number()
{
int number;
bool state = OrderValidator.TrySetQuantityID("0", out number);
Assert.IsTrue(state);
Assert.AreEqual(number, 0);
}