private static bool AreEqual(OrderItem[] expected, OrderItem[] actual)
{
if ((expected == null) != (actual == null)) return false;
if (expected != null)
{
if (expected.Length != actual.Length) return false;
for (var i = 0; i < expected.Length; i++)
{
if (!expected[i].Equals(actual[i])) return false;
}
}
return true;
}
private static bool Compare(OrderItem expected, OrderItem actual, List<string> differences)
{
if ((expected == null) != (actual == null))
{
differences.Add("One order item is null, other is not");
return false;
}
if (expected != null)
{
if (expected.Name != actual.Name)
{
differences.Add("Expected item name (" + expected.Name + ") != actual (" + actual.Name + ")");
return false;
}
if (expected.Quantity != actual.Quantity)
{
differences.Add("Expected item quantity (" + expected.Quantity + ") != actual (" + actual.Quantity + ")");
return false;
}
const double AcceptableDifference = 0.000001;
if (Math.Abs(expected.Price - actual.Price) > AcceptableDifference)
{
differences.Add("Expected item price (" + expected.Price + ") != actual (" + actual.Price + ")");
return false;
}
}
return true;
}