tomato/test/lib/meta_plugin/main.cpp

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#define CR_HOST
#include <gtest/gtest.h>
#include <cr.h>
#include <entt/core/hashed_string.hpp>
#include <entt/locator/locator.hpp>
#include <entt/meta/factory.hpp>
#include <entt/meta/meta.hpp>
#include <entt/meta/resolve.hpp>
#include "types.h"
TEST(Lib, Meta) {
using namespace entt::literals;
ASSERT_FALSE(entt::resolve("position"_hs));
userdata ud{};
ud.ctx = entt::locator<entt::meta_ctx>::handle();
cr_plugin ctx;
ctx.userdata = &ud;
cr_plugin_load(ctx, PLUGIN);
cr_plugin_update(ctx);
entt::meta<double>().conv<int>();
ASSERT_TRUE(entt::resolve("position"_hs));
ASSERT_TRUE(entt::resolve("velocity"_hs));
auto pos = entt::resolve("position"_hs).construct(42., 3.);
auto vel = entt::resolve("velocity"_hs).construct();
ASSERT_TRUE(pos && vel);
ASSERT_EQ(pos.type().data("x"_hs).type(), entt::resolve<int>());
ASSERT_NE(pos.type().data("y"_hs).get(pos).try_cast<int>(), nullptr);
ASSERT_EQ(pos.type().data("x"_hs).get(pos).cast<int>(), 42);
ASSERT_EQ(pos.type().data("y"_hs).get(pos).cast<int>(), 3);
ASSERT_EQ(vel.type().data("dx"_hs).type(), entt::resolve<double>());
ASSERT_TRUE(vel.type().data("dy"_hs).get(vel).allow_cast<double>());
ASSERT_EQ(vel.type().data("dx"_hs).get(vel).cast<double>(), 0.);
ASSERT_EQ(vel.type().data("dy"_hs).get(vel).cast<double>(), 0.);
ASSERT_EQ(ud.any.type(), entt::resolve<int>());
ASSERT_EQ(ud.any.cast<int>(), 42);
// these objects have been initialized from a different context
pos.emplace<void>();
vel.emplace<void>();
ud.any.emplace<void>();
cr_plugin_close(ctx);
ASSERT_FALSE(entt::resolve("position"_hs));
ASSERT_FALSE(entt::resolve("velocity"_hs));
}