public void TestSetPlotsShouldRenderPlots()
{
var plot = new CanvasCircle();
var plots = new List <CanvasItem> {
plot
};
var backgroundVisual = new FakeVisual();
var plotVisual = new FakeVisual();
var plotVisuals = new List <Visual> {
plotVisual
};
var visuals = new List <Visual> {
backgroundVisual, plotVisual
};
var callback = CanvasControl.ItemsProperty.GetMetadata(_control).PropertyChangedCallback;
var callback2 = new Action(() => callback.Invoke(_control, new DependencyPropertyChangedEventArgs()));
_mockPropertyService.Setup(p => p.SetValue(CanvasControl.ItemsProperty, It.IsAny <object>())).Callback(callback2);
_mockPropertyService.Setup(p => p.GetValue(CanvasControl.ItemsProperty)).Returns(plots);
_mockPropertyService.Setup(p => p.GetValue(CanvasControl.SelectedItemsProperty)).Returns(new List <CanvasItem>());
_mockRenderer.Setup(p => p.DrawBackground(0d, 0d)).Returns(backgroundVisual);
_mockRenderer.Setup(p => p.DrawItems(plots)).Returns(plotVisuals);
_control.Items = plots;
_mockVisualService.Verify(p => p.Clear(), Times.Once());
_mockVisualService.Verify(p => p.Add(visuals));
}
public void TestGetVisualChildShouldReturnVisualFromVisualService()
{
var visual = new FakeVisual();
_mockVisualService.Setup(p => p.GetVisual(1)).Returns(visual);
var result = _control.GetVisualChild(1);
Assert.That(result, Is.EqualTo(visual));
}