public void ScrollUpFullPageWithControlPressed()
{
string content = string.Join("\r\n", Enumerable.Range(0, 200).Select(i => Guid.NewGuid().ToString()));
var processor = CompositionHelper.GetProcessor(content, out var exportProvider, out var wpfTextView);
var args = new MouseWheelEventArgs(Mouse.PrimaryDevice, Environment.TickCount, 120)
{
RoutedEvent = UIElement.MouseWheelEvent
};
var inputSimulator = new InputSimulator();
inputSimulator.Keyboard.KeyDown(VirtualKeyCode.CONTROL);
try
{
Assert.Equal(ModifierKeys.Control, Keyboard.Modifiers & ModifierKeys.Control);
Assert.False(args.Handled);
var lastVisibleLine = wpfTextView.TextViewLines.LastVisibleLine.Start.GetContainingLine().LineNumber;
wpfTextView.TextViewLines.Scroll(ScrollDirection.Down, lastVisibleLine + 4);
processor.PreprocessMouseWheel(args);
Assert.True(args.Handled);
Assert.Equal(4, wpfTextView.TextViewLines.FirstVisibleLine.Start.GetContainingLine().LineNumber);
}
finally
{
inputSimulator.Keyboard.KeyUp(VirtualKeyCode.CONTROL);
}
}
public void ScrollWithoutControlPressed()
{
string content = string.Join("\r\n", Enumerable.Range(0, 200).Select(i => Guid.NewGuid().ToString()));
var processor = CompositionHelper.GetProcessor(content, out var exportProvider, out var wpfTextView);
var args = new MouseWheelEventArgs(Mouse.PrimaryDevice, Environment.TickCount, 120);
Assert.Equal(ModifierKeys.None, Keyboard.Modifiers & ModifierKeys.Control);
Assert.False(args.Handled);
var firstVisibleLine = wpfTextView.TextViewLines.FirstVisibleLine.Start.GetContainingLine().LineNumber;
processor.PreprocessMouseWheel(args);
Assert.False(args.Handled);
// The line number stays the same because the editor's default mouse handler is not part of these tests
Assert.Equal(firstVisibleLine, wpfTextView.TextViewLines.FirstVisibleLine.Start.GetContainingLine().LineNumber);
}
public void NullInput()
{
var provider = CompositionHelper.GetProvider(out _);
Assert.Null(provider.GetAssociatedProcessor(null));
}
