public void FiltersCompletionList()
{
var filterStrategyMock = new Mock <IFilterStrategy>();
var completionItemMock = new Mock <ICompletionItem>();
var filteredItems = new[] { completionItemMock.Object };
filterStrategyMock.Setup(strategy => strategy.Filter(It.IsAny <IEnumerable <ICompletionItem> >()))
.Returns(filteredItems);
_cSharpCompletionBinding.FilterStrategy = filterStrategyMock.Object;
var textEditorMock = new Mock <ITextEditor>();
var textEditor = textEditorMock.Object;
_cSharpCompletionBinding.CtrlSpace(textEditor);
textEditorMock.Verify(editor => editor.ShowCompletionWindow(It.Is <ICompletionItemList>(list => list.Items.Single() == completionItemMock.Object)),
Times.Once());
}
