public void DesignSurface_CreateDesigner_NullComponent_ThrowsArgumentNullException()
{
var surface = new DesignSurface();
Assert.Throws <ArgumentNullException>("component", () => surface.CreateDesigner(null, true));
Assert.Throws <ArgumentNullException>("component", () => surface.CreateDesigner(null, false));
}
public void DesignSurface_CreateDesigner_Disposed_ThrowsObjectDisposedException()
{
var surface = new DesignSurface();
surface.Dispose();
Assert.Throws <ObjectDisposedException>(() => surface.CreateDesigner(new Component(), true));
Assert.Throws <ObjectDisposedException>(() => surface.CreateDesigner(new Component(), false));
}
public void DesignSurface_CreateDesigner_InvokeIRootDesigner_ReturnsExpected()
{
var surface = new DesignSurface();
var component = new RootDesignerComponent();
Assert.IsType <RootComponentDesigner>(surface.CreateDesigner(component, rootDesigner: true));
Assert.Null(surface.CreateDesigner(component, rootDesigner: false));
}