public void Exists()
{
string description = "fries";
decimal price = 2m;
var menu = new Lunch.Menu.Menu();
Assert.False(menu.ItemExists(null));
Assert.False(menu.ItemExists("soda"));
Assert.False(menu.ItemExists(description));
menu.AddItem(description, price);
Assert.True(menu.ItemExists(description));
}
public void AddItem()
{
string fries = "fries";
string soda = "soda";
var menu = new Lunch.Menu.Menu();
Assert.True(menu.AddItem(fries, 2m));
Assert.False(menu.AddItem(fries, 1.5m));
Assert.False(menu.AddItem(soda, -1m));
Assert.True(menu.AddItem(soda, 0m));
Assert.False(menu.AddItem(null, 1m));
Assert.False(menu.AddItem("", 1m));
}