public void SortDescriptionsAddWithEnumerable()
{
var items = new TestEnumerable(new TestModel[0]);
var cvs = new Rotorsoft.Forms.CollectionViewSource();
cvs.Source = items;
cvs.SortDescriptions = new ObservableCollection <SortDescription>();
Assert.Throws <InvalidOperationException>(() => cvs.SortDescriptions.Add(new SortDescription(nameof(TestModel.Name), ListSortDirection.Ascending)));
}
public void SourceWithNonEmptyEnumerable()
{
var items = new TestEnumerable(new object[]
{
"Lorem Ipsum"
});
var cvs = new Rotorsoft.Forms.CollectionViewSource();
cvs.Source = items;
Assert.Same(items, cvs.Source);
Assert.NotNull(cvs.View);
Assert.NotEmpty(cvs.View);
}
public void FilterWithEnumerable()
{
var items = new TestEnumerable(new object[]
{
10,
"Lorem Ipsum",
TimeSpan.Zero,
});
Predicate <object> filterPredicate = (item) => item is string;
var cvs = new Rotorsoft.Forms.CollectionViewSource();
cvs.Source = items;
cvs.Filter = filterPredicate;
Assert.Same(filterPredicate, cvs.Filter);
Assert.NotNull(cvs.View);
Assert.NotEmpty(cvs.View);
Assert.Equal(1, cvs.View.Count());
}