entt/test/lib/registry/plugin/main.cpp

#define CR_HOST

#include <gtest/gtest.h>
#include <cr.h>
#include <entt/entity/registry.hpp>
#include "../common/types.h"

TEST(Lib, Registry) {
    entt::registry registry;

    registry.emplace<position>(registry.create(), 0, 0);
    registry.emplace<position>(registry.create(), 1, 1);
    registry.emplace<position>(registry.create(), 2, 2);

    cr_plugin ctx;
    cr_plugin_load(ctx, PLUGIN);

    ctx.userdata = &registry;
    cr_plugin_update(ctx);

    ASSERT_EQ(registry.storage<position>().size(), registry.storage<velocity>().size());
    ASSERT_EQ(registry.storage<position>().size(), registry.storage<entt::entity>().size());

    registry.view<position>().each([](auto entity, auto &position) {
        ASSERT_EQ(position.x, static_cast<int>(entt::to_integral(entity) + 16u));
        ASSERT_EQ(position.y, static_cast<int>(entt::to_integral(entity) + 16u));
    });

    registry = {};
    cr_plugin_close(ctx);
}