forked from Green-Sky/tomato
Green Sky
5c7231b7a3
git-subtree-dir: external/entt/entt git-subtree-split: fef921132cae7588213d0f9bcd2fb9c8ffd8b7fc
506 lines
15 KiB
C++
506 lines
15 KiB
C++
#include <unordered_map>
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#include <vector>
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#include <gtest/gtest.h>
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#include <entt/core/hashed_string.hpp>
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#include <entt/meta/container.hpp>
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#include <entt/meta/context.hpp>
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#include <entt/meta/factory.hpp>
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#include <entt/meta/pointer.hpp>
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#include <entt/meta/template.hpp>
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struct base {
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base() = default;
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base(char v)
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: value{v} {}
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char get() const {
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return value;
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}
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char value;
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};
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struct clazz: base {
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clazz() = default;
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clazz(int v)
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: base{},
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value{v} {}
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clazz(char c, int v)
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: base{c},
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value{v} {}
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int func(int v) {
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return (value = v);
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}
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int cfunc(int v) const {
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return v;
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}
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static void move_to_bucket(const clazz &instance) {
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bucket = instance.value;
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}
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int value{};
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static inline int bucket{};
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};
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struct local_only {};
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struct argument {
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argument(int val)
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: value{val} {}
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int get() const {
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return value;
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}
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int get_mul() const {
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return value * 2;
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}
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private:
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int value{};
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};
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template<typename...>
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struct template_clazz {};
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class MetaContext: public ::testing::Test {
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void init_global_context() {
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using namespace entt::literals;
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entt::meta<int>()
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.data<global_marker>("marker"_hs);
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entt::meta<argument>()
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.conv<&argument::get>();
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entt::meta<clazz>()
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.type("foo"_hs)
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.prop("prop"_hs, prop_value)
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.ctor<int>()
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.data<&clazz::value>("value"_hs)
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.data<&clazz::value>("rw"_hs)
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.func<&clazz::func>("func"_hs);
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entt::meta<template_clazz<int>>()
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.type("template"_hs);
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}
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void init_local_context() {
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using namespace entt::literals;
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entt::meta<int>(context)
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.data<local_marker>("marker"_hs);
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entt::meta<local_only>(context)
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.type("quux"_hs);
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entt::meta<argument>(context)
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.conv<&argument::get_mul>();
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entt::meta<base>(context)
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.data<&base::value>("char"_hs)
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.func<&base::get>("get"_hs);
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entt::meta<clazz>(context)
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.type("bar"_hs)
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.prop("prop"_hs, prop_value)
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.base<base>()
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.ctor<char, int>()
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.dtor<&clazz::move_to_bucket>()
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.data<nullptr, &clazz::value>("value"_hs)
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.data<&clazz::value>("rw"_hs)
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.func<&clazz::cfunc>("func"_hs);
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entt::meta<template_clazz<int, char>>(context)
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.type("template"_hs);
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}
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public:
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void SetUp() override {
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init_global_context();
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init_local_context();
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clazz::bucket = bucket_value;
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}
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void TearDown() override {
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entt::meta_reset(context);
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entt::meta_reset();
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}
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protected:
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static constexpr int global_marker = 1;
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static constexpr int local_marker = 42;
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static constexpr int bucket_value = 99;
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static constexpr int prop_value = 3;
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entt::meta_ctx context{};
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};
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TEST_F(MetaContext, Resolve) {
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using namespace entt::literals;
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ASSERT_TRUE(entt::resolve<clazz>());
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ASSERT_TRUE(entt::resolve<clazz>(context));
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ASSERT_TRUE(entt::resolve<local_only>());
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ASSERT_TRUE(entt::resolve<local_only>(context));
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ASSERT_TRUE(entt::resolve(entt::type_id<clazz>()));
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ASSERT_TRUE(entt::resolve(context, entt::type_id<clazz>()));
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ASSERT_FALSE(entt::resolve(entt::type_id<local_only>()));
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ASSERT_TRUE(entt::resolve(context, entt::type_id<local_only>()));
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ASSERT_TRUE(entt::resolve("foo"_hs));
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ASSERT_FALSE(entt::resolve(context, "foo"_hs));
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ASSERT_FALSE(entt::resolve("bar"_hs));
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ASSERT_TRUE(entt::resolve(context, "bar"_hs));
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ASSERT_FALSE(entt::resolve("quux"_hs));
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ASSERT_TRUE(entt::resolve(context, "quux"_hs));
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ASSERT_EQ((std::distance(entt::resolve().cbegin(), entt::resolve().cend())), 4);
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ASSERT_EQ((std::distance(entt::resolve(context).cbegin(), entt::resolve(context).cend())), 6);
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}
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TEST_F(MetaContext, MetaType) {
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using namespace entt::literals;
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const auto global = entt::resolve<clazz>();
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const auto local = entt::resolve<clazz>(context);
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ASSERT_TRUE(global);
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ASSERT_TRUE(local);
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ASSERT_NE(global, local);
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ASSERT_EQ(global, entt::resolve("foo"_hs));
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ASSERT_EQ(local, entt::resolve(context, "bar"_hs));
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ASSERT_EQ(global.id(), "foo"_hs);
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ASSERT_EQ(local.id(), "bar"_hs);
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clazz instance{'c', 99};
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const argument value{2};
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ASSERT_NE(instance.value, value.get());
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ASSERT_EQ(global.invoke("func"_hs, instance, value).cast<int>(), value.get());
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ASSERT_EQ(instance.value, value.get());
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ASSERT_NE(instance.value, value.get_mul());
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ASSERT_EQ(local.invoke("func"_hs, instance, value).cast<int>(), value.get_mul());
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ASSERT_NE(instance.value, value.get_mul());
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ASSERT_FALSE(global.invoke("get"_hs, instance));
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ASSERT_EQ(local.invoke("get"_hs, instance).cast<char>(), 'c');
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}
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TEST_F(MetaContext, MetaBase) {
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const auto global = entt::resolve<clazz>();
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const auto local = entt::resolve<clazz>(context);
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ASSERT_EQ((std::distance(global.base().cbegin(), global.base().cend())), 0);
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ASSERT_EQ((std::distance(local.base().cbegin(), local.base().cend())), 1);
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ASSERT_EQ(local.base().cbegin()->second.info(), entt::type_id<base>());
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ASSERT_FALSE(entt::resolve(entt::type_id<base>()));
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ASSERT_TRUE(entt::resolve(context, entt::type_id<base>()));
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}
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TEST_F(MetaContext, MetaData) {
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using namespace entt::literals;
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const auto global = entt::resolve<clazz>();
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const auto local = entt::resolve<clazz>(context);
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ASSERT_TRUE(global.data("value"_hs));
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ASSERT_TRUE(local.data("value"_hs));
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ASSERT_FALSE(global.data("value"_hs).is_const());
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ASSERT_TRUE(local.data("value"_hs).is_const());
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ASSERT_EQ(global.data("value"_hs).type().data("marker"_hs).get({}).cast<int>(), global_marker);
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ASSERT_EQ(local.data("value"_hs).type().data("marker"_hs).get({}).cast<int>(), local_marker);
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ASSERT_EQ(global.data("rw"_hs).arg(0u).data("marker"_hs).get({}).cast<int>(), global_marker);
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ASSERT_EQ(local.data("rw"_hs).arg(0u).data("marker"_hs).get({}).cast<int>(), local_marker);
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clazz instance{'c', 99};
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const argument value{2};
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ASSERT_NE(instance.value, value.get());
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ASSERT_TRUE(global.data("rw"_hs).set(instance, value));
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ASSERT_EQ(instance.value, value.get());
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ASSERT_NE(instance.value, value.get_mul());
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ASSERT_TRUE(local.data("rw"_hs).set(instance, value));
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ASSERT_EQ(instance.value, value.get_mul());
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ASSERT_FALSE(global.data("char"_hs));
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ASSERT_EQ(local.data("char"_hs).get(instance).cast<char>(), 'c');
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ASSERT_TRUE(local.data("char"_hs).set(instance, 'x'));
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ASSERT_EQ(instance.base::value, 'x');
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}
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TEST_F(MetaContext, MetaFunc) {
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using namespace entt::literals;
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const auto global = entt::resolve<clazz>();
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const auto local = entt::resolve<clazz>(context);
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ASSERT_TRUE(global.func("func"_hs));
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ASSERT_TRUE(local.func("func"_hs));
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ASSERT_FALSE(global.func("func"_hs).is_const());
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ASSERT_TRUE(local.func("func"_hs).is_const());
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ASSERT_EQ(global.func("func"_hs).arg(0u).data("marker"_hs).get({}).cast<int>(), global_marker);
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ASSERT_EQ(local.func("func"_hs).arg(0u).data("marker"_hs).get({}).cast<int>(), local_marker);
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ASSERT_EQ(global.func("func"_hs).ret().data("marker"_hs).get({}).cast<int>(), global_marker);
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ASSERT_EQ(local.func("func"_hs).ret().data("marker"_hs).get({}).cast<int>(), local_marker);
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clazz instance{'c', 99};
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const argument value{2};
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ASSERT_NE(instance.value, value.get());
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ASSERT_EQ(global.func("func"_hs).invoke(instance, value).cast<int>(), value.get());
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ASSERT_EQ(instance.value, value.get());
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ASSERT_NE(instance.value, value.get_mul());
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ASSERT_EQ(local.func("func"_hs).invoke(instance, value).cast<int>(), value.get_mul());
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ASSERT_NE(instance.value, value.get_mul());
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ASSERT_FALSE(global.func("get"_hs));
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ASSERT_EQ(local.func("get"_hs).invoke(instance).cast<char>(), 'c');
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}
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TEST_F(MetaContext, MetaCtor) {
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const auto global = entt::resolve<clazz>();
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const auto local = entt::resolve<clazz>(context);
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auto any = global.construct();
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auto other = local.construct();
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ASSERT_TRUE(any);
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ASSERT_TRUE(other);
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ASSERT_EQ(any.cast<const clazz &>().value, 0);
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ASSERT_EQ(other.cast<const clazz &>().value, 0);
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argument argument{2};
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any = global.construct(argument);
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other = local.construct(argument);
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ASSERT_TRUE(any);
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ASSERT_FALSE(other);
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ASSERT_EQ(any.cast<const clazz &>().value, 2);
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any = global.construct('c', argument);
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other = local.construct('c', argument);
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ASSERT_FALSE(any);
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ASSERT_TRUE(other);
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ASSERT_EQ(other.cast<const clazz &>().value, 4);
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}
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TEST_F(MetaContext, MetaConv) {
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argument value{2};
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auto global = entt::forward_as_meta(value);
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auto local = entt::forward_as_meta(context, value);
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ASSERT_TRUE(global.allow_cast<int>());
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ASSERT_TRUE(local.allow_cast<int>());
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ASSERT_EQ(global.cast<int>(), value.get());
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ASSERT_EQ(local.cast<int>(), value.get_mul());
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}
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TEST_F(MetaContext, MetaDtor) {
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auto global = entt::resolve<clazz>().construct();
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auto local = entt::resolve<clazz>(context).construct();
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ASSERT_EQ(clazz::bucket, bucket_value);
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global.reset();
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ASSERT_EQ(clazz::bucket, bucket_value);
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local.reset();
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ASSERT_NE(clazz::bucket, bucket_value);
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}
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TEST_F(MetaContext, MetaProp) {
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using namespace entt::literals;
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const auto global = entt::resolve<clazz>();
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const auto local = entt::resolve<clazz>(context);
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ASSERT_TRUE(global.prop("prop"_hs));
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ASSERT_TRUE(local.prop("prop"_hs));
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ASSERT_EQ(global.prop("prop"_hs).value().type(), entt::resolve<int>());
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ASSERT_EQ(local.prop("prop"_hs).value().type(), entt::resolve<int>(context));
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ASSERT_EQ(global.prop("prop"_hs).value().cast<int>(), prop_value);
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ASSERT_EQ(local.prop("prop"_hs).value().cast<int>(), prop_value);
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ASSERT_EQ(global.prop("prop"_hs).value().type().data("marker"_hs).get({}).cast<int>(), global_marker);
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ASSERT_EQ(local.prop("prop"_hs).value().type().data("marker"_hs).get({}).cast<int>(), local_marker);
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}
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TEST_F(MetaContext, MetaTemplate) {
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using namespace entt::literals;
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const auto global = entt::resolve("template"_hs);
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const auto local = entt::resolve(context, "template"_hs);
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ASSERT_TRUE(global.is_template_specialization());
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ASSERT_TRUE(local.is_template_specialization());
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ASSERT_EQ(global.template_arity(), 1u);
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ASSERT_EQ(local.template_arity(), 2u);
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ASSERT_EQ(global.template_arg(0u), entt::resolve<int>());
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ASSERT_EQ(local.template_arg(0u), entt::resolve<int>(context));
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ASSERT_EQ(local.template_arg(1u), entt::resolve<char>(context));
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ASSERT_EQ(global.template_arg(0u).data("marker"_hs).get({}).cast<int>(), global_marker);
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ASSERT_EQ(local.template_arg(0u).data("marker"_hs).get({}).cast<int>(), local_marker);
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}
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TEST_F(MetaContext, MetaPointer) {
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using namespace entt::literals;
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int value = 42;
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const entt::meta_any global{&value};
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const entt::meta_any local{context, &value};
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ASSERT_TRUE(global.type().is_pointer());
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ASSERT_TRUE(local.type().is_pointer());
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ASSERT_TRUE(global.type().is_pointer_like());
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ASSERT_TRUE(local.type().is_pointer_like());
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ASSERT_EQ((*global).type().data("marker"_hs).get({}).cast<int>(), global_marker);
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ASSERT_EQ((*local).type().data("marker"_hs).get({}).cast<int>(), local_marker);
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}
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TEST_F(MetaContext, MetaAssociativeContainer) {
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using namespace entt::literals;
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std::unordered_map<int, int> map{{{0, 0}}};
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auto global = entt::forward_as_meta(map).as_associative_container();
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auto local = entt::forward_as_meta(context, map).as_associative_container();
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ASSERT_TRUE(global);
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ASSERT_TRUE(local);
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ASSERT_EQ(global.size(), 1u);
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ASSERT_EQ(local.size(), 1u);
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ASSERT_EQ(global.key_type().data("marker"_hs).get({}).cast<int>(), global_marker);
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ASSERT_EQ(local.key_type().data("marker"_hs).get({}).cast<int>(), local_marker);
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ASSERT_EQ(global.mapped_type().data("marker"_hs).get({}).cast<int>(), global_marker);
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ASSERT_EQ(local.mapped_type().data("marker"_hs).get({}).cast<int>(), local_marker);
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ASSERT_EQ((*global.begin()).first.type().data("marker"_hs).get({}).cast<int>(), global_marker);
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ASSERT_EQ((*local.begin()).first.type().data("marker"_hs).get({}).cast<int>(), local_marker);
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ASSERT_EQ((*global.begin()).second.type().data("marker"_hs).get({}).cast<int>(), global_marker);
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ASSERT_EQ((*local.begin()).second.type().data("marker"_hs).get({}).cast<int>(), local_marker);
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}
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TEST_F(MetaContext, MetaSequenceContainer) {
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using namespace entt::literals;
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std::vector<int> vec{0};
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auto global = entt::forward_as_meta(vec).as_sequence_container();
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auto local = entt::forward_as_meta(context, vec).as_sequence_container();
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ASSERT_TRUE(global);
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ASSERT_TRUE(local);
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ASSERT_EQ(global.size(), 1u);
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ASSERT_EQ(local.size(), 1u);
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ASSERT_EQ(global.value_type().data("marker"_hs).get({}).cast<int>(), global_marker);
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ASSERT_EQ(local.value_type().data("marker"_hs).get({}).cast<int>(), local_marker);
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ASSERT_EQ((*global.begin()).type().data("marker"_hs).get({}).cast<int>(), global_marker);
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ASSERT_EQ((*local.begin()).type().data("marker"_hs).get({}).cast<int>(), local_marker);
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}
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TEST_F(MetaContext, MetaAny) {
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using namespace entt::literals;
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entt::meta_any global{42};
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entt::meta_any ctx_value{context, 42};
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entt::meta_any in_place{context, std::in_place_type<int>, 42};
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entt::meta_any two_step_local{entt::meta_ctx_arg, context};
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ASSERT_TRUE(global);
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ASSERT_TRUE(ctx_value);
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ASSERT_TRUE(in_place);
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ASSERT_FALSE(two_step_local);
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two_step_local = 42;
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ASSERT_TRUE(two_step_local);
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ASSERT_EQ(global.type().data("marker"_hs).get({}).cast<int>(), global_marker);
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ASSERT_EQ(ctx_value.type().data("marker"_hs).get({}).cast<int>(), local_marker);
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ASSERT_EQ(in_place.type().data("marker"_hs).get({}).cast<int>(), local_marker);
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ASSERT_EQ(two_step_local.type().data("marker"_hs).get({}).cast<int>(), local_marker);
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}
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TEST_F(MetaContext, MetaHandle) {
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using namespace entt::literals;
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int value = 42;
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entt::meta_handle global{value};
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entt::meta_handle ctx_value{context, value};
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entt::meta_handle two_step_local{entt::meta_ctx_arg, context};
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ASSERT_TRUE(global);
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ASSERT_TRUE(ctx_value);
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ASSERT_FALSE(two_step_local);
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two_step_local->emplace<int &>(value);
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ASSERT_TRUE(two_step_local);
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ASSERT_EQ(global->type().data("marker"_hs).get({}).cast<int>(), global_marker);
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ASSERT_EQ(ctx_value->type().data("marker"_hs).get({}).cast<int>(), local_marker);
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ASSERT_EQ(two_step_local->type().data("marker"_hs).get({}).cast<int>(), local_marker);
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}
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TEST_F(MetaContext, ForwardAsMeta) {
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using namespace entt::literals;
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const auto global = entt::forward_as_meta(42);
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const auto local = entt::forward_as_meta(context, 42);
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ASSERT_TRUE(global);
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ASSERT_TRUE(local);
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ASSERT_EQ(global.type().data("marker"_hs).get({}).cast<int>(), global_marker);
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ASSERT_EQ(local.type().data("marker"_hs).get({}).cast<int>(), local_marker);
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}
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