public void TextPackageCorrectlyExtractedFromCompatibleElement(Type fieldType, string result)
{
var dragRec = new DragGestureRecognizer();
var element = (VisualElement)Activator.CreateInstance(fieldType);
Assert.IsTrue(element.TrySetValue(result));
var args = dragRec.SendDragStarting((IView)element);
Assert.AreEqual(result, args.Data.Text);
}
public void DragStartingCommandFires()
{
var dragRec = new DragGestureRecognizer();
var parameter = new Object();
object commandExecuted = null;
Command cmd = new Command(() => commandExecuted = parameter);
dragRec.DragStartingCommand = cmd;
dragRec.DragStartingCommandParameter = parameter;
dragRec.SendDragStarting(new Label());
Assert.AreEqual(commandExecuted, parameter);
}
public void DropCompletedCommandFiresOnce()
{
int counter = 0;
var dragRec = new DragGestureRecognizer();
Command cmd = new Command(() => counter++);
dragRec.SendDragStarting(new Label());
dragRec.DropCompletedCommand = cmd;
dragRec.SendDropCompleted(new DropCompletedEventArgs());
dragRec.SendDropCompleted(new DropCompletedEventArgs());
dragRec.SendDropCompleted(new DropCompletedEventArgs());
Assert.AreEqual(1, counter);
}
public void UserSpecifiedTextIsntOverwritten()
{
var dragRec = new DragGestureRecognizer();
var element = new Label()
{
Text = "WRONG TEXT"
};
dragRec.DragStarting += (_, args) =>
{
args.Data.Text = "Right Text";
};
var returnedArgs = dragRec.SendDragStarting(element);
Assert.AreEqual("Right Text", returnedArgs.Data.Text);
}
public void HandledTest()
{
string testString = "test String";
var dragRec = new DragGestureRecognizer();
var element = new Label()
{
Text = testString
};
element.Text = "Text Shouldn't change";
var args = new DragStartingEventArgs();
args.Handled = true;
args.Data.Text = "Text Shouldn't change";
dragRec.SendDragStarting(element);
Assert.AreNotEqual(args.Data.Text, testString);
}
public void UserSpecifiedImageIsntOverwritten()
{
var dragRec = new DragGestureRecognizer();
var element = new Image()
{
Source = "http://www.someimage.com"
};
FileImageSource fileImageSource = new FileImageSource()
{
File = "yay.jpg"
};
dragRec.DragStarting += (_, args) =>
{
args.Data.Image = fileImageSource;
};
var returnedArgs = dragRec.SendDragStarting(element);
Assert.AreEqual(fileImageSource, returnedArgs.Data.Image);
}