private static void TestBagOperation(IBag <Order> bag)
{
var total = 0;
for (var i = 0; i < 1000; i++)
{
bag.Add(new Order {
Id = i + 1
}, i + 1);
total += i + 1;
}
var itemNumber = 0;
foreach (var item in bag)
{
itemNumber++;
}
Assert.Equal(itemNumber, bag.Count);
Assert.Equal(total, bag.Count);
for (var i = 0; i < 1000; i++)
{
var count = bag[new Order {
Id = i + 1
}];
Assert.Equal(count, i + 1);
Assert.True(bag.Contains(new Order {
Id = i + 1
}));
}
for (var i = 2000; i < 3000; i++)
{
Assert.False(bag.Contains(new Order {
Id = i
}));
}
Assert.Equal(1000, bag.ToUnique().Count);
for (var i = 400; i < 600; i++)
{
Assert.True(bag.Remove(new Order {
Id = i
}, 100));
total -= 100;
Assert.Equal(total, bag.Count);
}
Assert.Equal(1000, bag.ToUnique().Count);
bag.Clear();
Assert.Equal(0, bag.Count);
}