Green Sky
5c7231b7a3
git-subtree-dir: external/entt/entt git-subtree-split: fef921132cae7588213d0f9bcd2fb9c8ffd8b7fc
114 lines
2.3 KiB
C++
114 lines
2.3 KiB
C++
#include <utility>
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#include <gtest/gtest.h>
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#include <entt/core/hashed_string.hpp>
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#include <entt/locator/locator.hpp>
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#include <entt/meta/factory.hpp>
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#include <entt/meta/meta.hpp>
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#include <entt/meta/node.hpp>
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#include <entt/meta/resolve.hpp>
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struct clazz_t {
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clazz_t() {
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++counter;
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}
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static void destroy_decr(clazz_t &) {
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--counter;
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}
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void destroy_incr() const {
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++counter;
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}
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inline static int counter = 0;
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};
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struct MetaDtor: ::testing::Test {
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void SetUp() override {
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using namespace entt::literals;
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entt::meta<clazz_t>()
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.type("clazz"_hs)
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.dtor<clazz_t::destroy_decr>();
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clazz_t::counter = 0;
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}
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void TearDown() override {
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entt::meta_reset();
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}
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};
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TEST_F(MetaDtor, Functionalities) {
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ASSERT_EQ(clazz_t::counter, 0);
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auto any = entt::resolve<clazz_t>().construct();
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auto cref = std::as_const(any).as_ref();
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auto ref = any.as_ref();
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ASSERT_TRUE(any);
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ASSERT_TRUE(cref);
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ASSERT_TRUE(ref);
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ASSERT_EQ(clazz_t::counter, 1);
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cref.reset();
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ref.reset();
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ASSERT_TRUE(any);
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ASSERT_FALSE(cref);
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ASSERT_FALSE(ref);
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ASSERT_EQ(clazz_t::counter, 1);
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any.reset();
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ASSERT_FALSE(any);
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ASSERT_FALSE(cref);
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ASSERT_FALSE(ref);
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ASSERT_EQ(clazz_t::counter, 0);
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}
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TEST_F(MetaDtor, AsRefConstruction) {
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ASSERT_EQ(clazz_t::counter, 0);
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clazz_t instance{};
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auto any = entt::forward_as_meta(instance);
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auto cany = entt::forward_as_meta(std::as_const(instance));
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auto cref = cany.as_ref();
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auto ref = any.as_ref();
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ASSERT_TRUE(any);
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ASSERT_TRUE(cany);
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ASSERT_TRUE(cref);
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ASSERT_TRUE(ref);
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ASSERT_EQ(clazz_t::counter, 1);
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any.reset();
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cany.reset();
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cref.reset();
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ref.reset();
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ASSERT_FALSE(any);
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ASSERT_FALSE(cany);
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ASSERT_FALSE(cref);
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ASSERT_FALSE(ref);
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ASSERT_EQ(clazz_t::counter, 1);
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}
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TEST_F(MetaDtor, ReRegistration) {
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SetUp();
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auto &&node = entt::internal::resolve<clazz_t>(entt::internal::meta_context::from(entt::locator<entt::meta_ctx>::value_or()));
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ASSERT_NE(node.dtor.dtor, nullptr);
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entt::meta<clazz_t>().dtor<&clazz_t::destroy_incr>();
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entt::resolve<clazz_t>().construct().reset();
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ASSERT_EQ(clazz_t::counter, 2);
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}
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