public void ObservableCollection_Clear()
{
var source = new ObservableCollection <int>()
{
3, 1, 2
};
var ordered = new OrderedCollectionView <int>(source);
Assert.Equal(3, ordered.Count);
Assert.Equal(new[] { 1, 2, 3 }, ordered);
source.Clear();
Assert.Empty(ordered);
}
public void ObservableCollection_Replace()
{
var source = new ObservableCollection <int>()
{
5, 1, 8, 4
};
var ordered = new OrderedCollectionView <int>(source);
Assert.Equal(4, ordered.Count);
Assert.Equal(new[] { 1, 4, 5, 8 }, ordered);
source[3] = 9;
Assert.Equal(new[] { 1, 5, 8, 9 }, ordered);
}
public void ObservableCollection_Add()
{
var source = new ObservableCollection <int>()
{
5, 1, 1
};
var ordered = new OrderedCollectionView <int>(source);
Assert.Equal(3, ordered.Count);
Assert.Equal(new[] { 1, 1, 5 }, ordered);
source.Add(2);
Assert.Equal(4, ordered.Count);
Assert.Equal(new[] { 1, 1, 2, 5 }, ordered);
}
public void SimpleCollection()
{
var source = new[] { 5, 1, 9, 2, 4, 10, 8 };
var ordered = new OrderedCollectionView <int>(source);
Assert.Equal(7, ordered.Count);
Assert.Equal(new[] { 1, 2, 4, 5, 8, 9, 10 }, ordered);
Assert.Equal(4, ordered[2]);
Assert.Equal(9, ordered[5]);
Assert.Equal(10, ordered[6]);
Assert.Equal(2, ordered.IndexOf(4));
Assert.Equal(5, ordered.IndexOf(9));
Assert.Equal(6, ordered.IndexOf(10));
Assert.True(ordered.Contains(4));
Assert.True(ordered.Contains(9));
Assert.True(ordered.Contains(1));
Assert.Equal(-1, ordered.IndexOf(-1));
Assert.False(ordered.Contains(-1));
}