public void Given_An_ImageList_When_Changing_Order_Should_Set_SortDirection_ToReversed()
{
// Arrange
var viewModel = new PictureViewerViewModel();
viewModel.ImageList = new ObservableCollection<string>
{
"Entry_1"
};
// Act
viewModel.ChangeOrderCommand.Execute(SortDirection.Reversed);
// Assert
Assert.AreEqual(viewModel.CurrentListSortDirection, SortDirection.Reversed, "SortDirection was not changed!");
}
public void Given_An_ImageList_When_Changing_Order_Should_Move_FirstEntry_To_End_Of_List()
{
// Arrange
var viewModel = new PictureViewerViewModel();
viewModel.ImageList = new ObservableCollection<string>
{
"Entry_1",
"Entry_2",
"Entry_3",
"Entry_4",
"Entry_5"
};
// Act
viewModel.ChangeOrderCommand.Execute(SortDirection.Reversed);
// Assert
string newLastEntry = viewModel.ImageList.Last();
Assert.AreEqual(newLastEntry, "Entry_1", false, "Collection was not reversed by ViewModelCommand!");
}
