EmptyTexture

void EmptyTexture() {
        Canvas canvas({5, 3});

        canvas.AddShape(ShapeType::RECTANGLE, {1, 0}, {3, 3}, nullptr);

        std::stringstream output;
        canvas.Print(output);

        const auto answer =
                "#######\n"
                "# ... #\n"
                "# ... #\n"
                "# ... #\n"
                "#######\n";

        Assert(answer == output.str(), "Your Shape implementation must pass the TestSimple test");
    }