tests/unit_tests/runtime/render_test.cpp

#include "rive/file.hpp"
#include "rive/animation/state_machine_instance.hpp"
#include "rive/viewmodel/viewmodel.hpp"
#include "utils/serializing_factory.hpp"
#include "rive_file_reader.hpp"
#include "utils/no_op_renderer.hpp"
#include <catch.hpp>
#include <cstdio>
#include <cstring>

using namespace rive;

TEST_CASE(
    "file with only solid color animating triggers change on artboard",
    "[silver]")
{
  auto file = ReadRiveFile("assets/solid_affects_has_changed.riv");

  auto artboard = file->artboardDefault();
  NoOpRenderer renderer;

  REQUIRE(artboard != nullptr);
  auto stateMachine = artboard->stateMachineAt(0);

  auto vmi = file->createViewModelInstance(artboard.get());

  stateMachine->bindViewModelInstance(vmi);
  stateMachine->advanceAndApply(0.1f);
  artboard->draw(&renderer);

  int frames = 10;
  for (int i = 0; i < frames; i++)
  {
    stateMachine->advanceAndApply(0.1f);
    REQUIRE(artboard->didChange() == true);
    artboard->draw(&renderer);
  }
}