public void AddShouldSort()
{
var list = OrderedCollection <int> .Create(n => n);
list.Add(2);
list.Add(-1);
list.Add(3);
list.Add(0);
Assert.Equal(new[] { -1, 0, 2, 3 }, list);
list.AssertIsSorted(o => o);
}
public void AddItemWithSameOrderValueShouldBeAddedToEndOfGroup()
{
var list = OrderedCollection <TestObj> .Create(n => n.Order);
list.Add(new TestObj(2));
list.Add(new TestObj(2));
list.Add(new TestObj(3));
var thirdObject = new TestObj(2);
list.Add(thirdObject);
Assert.Equal(thirdObject, list.ElementAt(2));
list.AssertIsSorted(o => o.Order);
}
public void RandomTest()
{
var list = OrderedCollection <TestNotifyObj> .Create(n => n.Order);
var random = new Random();
var indices = Enumerable.Range(1, 10000).ToList();
var items = indices.Select(i => new TestNotifyObj(i % 100)).ToList();
foreach (var item in items)
{
list.Add(item);
}
list.AssertIsSorted(i => i.Order);
foreach (var item in items)
{
item.Order = random.Next(0, 99);
}
list.AssertIsSorted(i => i.Order);
}
public void ItemShouldBeMovedOnOrderPropertyChanged()
{
var list = OrderedCollection <TestNotifyObj> .Create(n => n.Order);
var o1 = new TestNotifyObj(2);
var o2 = new TestNotifyObj(3);
var o0_1 = new TestNotifyObj(1);
list.Add(o1);
list.Add(o2);
var testObj = o0_1;
list.Add(testObj);
Assert.Equal(new[] { o0_1, o1, o2 }, list);
testObj.Order = 2;
Assert.Equal(new[] { o1, o0_1, o2 }, list);
list.AssertIsSorted(o => o.Order);
}