public RenderTreeDiffComputerTest()
{
renderer = new FakeRenderer();
oldTree = new RenderTreeBuilder(renderer);
newTree = new RenderTreeBuilder(renderer);
diff = new RenderTreeDiffComputer(renderer);
}
/// <summary>
/// Constructs an instance of <see cref="ComponentState"/>.
/// </summary>
/// <param name="renderer">The <see cref="Renderer"/> with which the new instance should be associated.</param>
/// <param name="componentId">The externally visible identifer for the <see cref="IComponent"/>. The identifier must be unique in the context of the <see cref="Renderer"/>.</param>
/// <param name="component">The <see cref="IComponent"/> whose state is being tracked.</param>
public ComponentState(Renderer renderer, int componentId, IComponent component)
{
_componentId = componentId;
_component = component ?? throw new ArgumentNullException(nameof(component));
_renderer = renderer ?? throw new ArgumentNullException(nameof(renderer));
_diffComputer = new RenderTreeDiffComputer(renderer);
_renderTreeBuilderCurrent = new RenderTreeBuilder(renderer);
_renderTreeBuilderPrevious = new RenderTreeBuilder(renderer);
}
