forked from Green-Sky/tomato
Green Sky
5c7231b7a3
git-subtree-dir: external/entt/entt git-subtree-split: fef921132cae7588213d0f9bcd2fb9c8ffd8b7fc
609 lines
16 KiB
C++
609 lines
16 KiB
C++
#include <cstddef>
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#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/core/utility.hpp>
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#include <entt/entity/registry.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/resolve.hpp>
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#include "../common/config.h"
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struct base_t {
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base_t() {}
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virtual ~base_t() = default;
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static void destroy(base_t &) {
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++counter;
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}
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void setter(int v) {
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value = v;
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}
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int getter() const {
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return value;
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}
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static void static_setter(base_t &ref, int v) {
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ref.value = v;
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}
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inline static int counter = 0;
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int value{3};
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};
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void fake_member(base_t &instance, int value) {
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instance.value = value;
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}
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int fake_const_member(const base_t &instance) {
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return instance.value;
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}
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struct derived_t: base_t {
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derived_t()
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: base_t{} {}
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};
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struct func_t {
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int f(const base_t &, int a, int b) {
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return f(a, b);
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}
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int f(int a, int b) {
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value = a;
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return b * b;
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}
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int f(int v) const {
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return v * v;
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}
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void g(int v) {
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value = v * v;
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}
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static int h(int &v) {
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return (v *= value);
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}
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static void k(int v) {
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value = v;
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}
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int v(int v) const {
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return (value = v);
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}
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int &a() const {
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return value;
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}
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operator int() const {
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return value;
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}
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inline static int value = 0;
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};
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struct MetaFunc: ::testing::Test {
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void SetUp() override {
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using namespace entt::literals;
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entt::meta<double>()
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.type("double"_hs);
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entt::meta<base_t>()
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.type("base"_hs)
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.dtor<base_t::destroy>()
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.func<&base_t::setter>("setter"_hs)
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.func<fake_member>("fake_member"_hs)
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.func<fake_const_member>("fake_const_member"_hs);
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entt::meta<derived_t>()
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.type("derived"_hs)
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.base<base_t>()
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.func<&base_t::setter>("setter_from_base"_hs)
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.func<&base_t::getter>("getter_from_base"_hs)
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.func<&base_t::static_setter>("static_setter_from_base"_hs)
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.dtor<derived_t::destroy>();
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entt::meta<func_t>()
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.type("func"_hs)
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.func<&entt::registry::emplace_or_replace<func_t>>("emplace"_hs)
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.func<entt::overload<int(const base_t &, int, int)>(&func_t::f)>("f3"_hs)
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.func<entt::overload<int(int, int)>(&func_t::f)>("f2"_hs)
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.prop("true"_hs, false)
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.func<entt::overload<int(int) const>(&func_t::f)>("f1"_hs)
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.prop("true"_hs, false)
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.func<&func_t::g>("g"_hs)
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.prop("true"_hs, false)
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.func<func_t::h>("h"_hs)
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.prop("true"_hs, false)
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.func<func_t::k>("k"_hs)
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.prop("true"_hs, false)
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.func<&func_t::v, entt::as_void_t>("v"_hs)
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.func<&func_t::a, entt::as_ref_t>("a"_hs)
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.func<&func_t::a, entt::as_cref_t>("ca"_hs)
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.conv<int>();
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base_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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std::size_t reset_and_check() {
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std::size_t count = 0;
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for(auto func: entt::resolve<func_t>().func()) {
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for(auto curr = func.second; curr; curr = curr.next()) {
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++count;
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}
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}
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SetUp();
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for(auto func: entt::resolve<func_t>().func()) {
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for(auto curr = func.second; curr; curr = curr.next()) {
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--count;
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}
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}
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return count;
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};
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};
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using MetaFuncDeathTest = MetaFunc;
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TEST_F(MetaFunc, Functionalities) {
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using namespace entt::literals;
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auto func = entt::resolve<func_t>().func("f2"_hs);
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func_t instance{};
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ASSERT_TRUE(func);
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ASSERT_EQ(func.arity(), 2u);
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ASSERT_FALSE(func.is_const());
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ASSERT_FALSE(func.is_static());
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ASSERT_EQ(func.ret(), entt::resolve<int>());
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ASSERT_EQ(func.arg(0u), entt::resolve<int>());
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ASSERT_EQ(func.arg(1u), entt::resolve<int>());
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ASSERT_FALSE(func.arg(2u));
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auto any = func.invoke(instance, 3, 2);
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auto empty = func.invoke(instance);
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ASSERT_FALSE(empty);
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ASSERT_TRUE(any);
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ASSERT_EQ(any.type(), entt::resolve<int>());
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ASSERT_EQ(any.cast<int>(), 4);
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ASSERT_EQ(func_t::value, 3);
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for(auto curr: func.prop()) {
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ASSERT_EQ(curr.first, "true"_hs);
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ASSERT_FALSE(curr.second.value().template cast<bool>());
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}
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ASSERT_FALSE(func.prop(false));
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ASSERT_FALSE(func.prop('c'));
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auto prop = func.prop("true"_hs);
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ASSERT_TRUE(prop);
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ASSERT_FALSE(prop.value().cast<bool>());
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}
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TEST_F(MetaFunc, Const) {
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using namespace entt::literals;
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auto func = entt::resolve<func_t>().func("f1"_hs);
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func_t instance{};
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ASSERT_TRUE(func);
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ASSERT_EQ(func.arity(), 1u);
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ASSERT_TRUE(func.is_const());
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ASSERT_FALSE(func.is_static());
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ASSERT_EQ(func.ret(), entt::resolve<int>());
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ASSERT_EQ(func.arg(0u), entt::resolve<int>());
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ASSERT_FALSE(func.arg(1u));
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auto any = func.invoke(instance, 4);
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auto empty = func.invoke(instance, derived_t{});
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ASSERT_FALSE(empty);
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ASSERT_TRUE(any);
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ASSERT_EQ(any.type(), entt::resolve<int>());
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ASSERT_EQ(any.cast<int>(), 16);
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for(auto curr: func.prop()) {
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ASSERT_EQ(curr.first, "true"_hs);
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ASSERT_FALSE(curr.second.value().template cast<bool>());
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}
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ASSERT_FALSE(func.prop(false));
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ASSERT_FALSE(func.prop('c'));
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auto prop = func.prop("true"_hs);
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ASSERT_TRUE(prop);
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ASSERT_FALSE(prop.value().cast<bool>());
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}
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TEST_F(MetaFunc, RetVoid) {
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using namespace entt::literals;
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auto func = entt::resolve<func_t>().func("g"_hs);
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func_t instance{};
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ASSERT_TRUE(func);
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ASSERT_EQ(func.arity(), 1u);
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ASSERT_FALSE(func.is_const());
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ASSERT_FALSE(func.is_static());
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ASSERT_EQ(func.ret(), entt::resolve<void>());
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ASSERT_EQ(func.arg(0u), entt::resolve<int>());
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ASSERT_FALSE(func.arg(1u));
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auto any = func.invoke(instance, 5);
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ASSERT_TRUE(any);
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ASSERT_EQ(any.type(), entt::resolve<void>());
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ASSERT_EQ(func_t::value, 25);
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for(auto curr: func.prop()) {
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ASSERT_EQ(curr.first, "true"_hs);
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ASSERT_FALSE(curr.second.value().template cast<bool>());
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}
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ASSERT_FALSE(func.prop(false));
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ASSERT_FALSE(func.prop('c'));
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auto prop = func.prop("true"_hs);
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ASSERT_TRUE(prop);
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ASSERT_FALSE(prop.value().cast<bool>());
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}
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TEST_F(MetaFunc, Static) {
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using namespace entt::literals;
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auto func = entt::resolve<func_t>().func("h"_hs);
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func_t::value = 2;
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ASSERT_TRUE(func);
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ASSERT_EQ(func.arity(), 1u);
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ASSERT_FALSE(func.is_const());
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ASSERT_TRUE(func.is_static());
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ASSERT_EQ(func.ret(), entt::resolve<int>());
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ASSERT_EQ(func.arg(0u), entt::resolve<int>());
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ASSERT_FALSE(func.arg(1u));
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auto any = func.invoke({}, 3);
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auto empty = func.invoke({}, derived_t{});
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ASSERT_FALSE(empty);
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ASSERT_TRUE(any);
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ASSERT_EQ(any.type(), entt::resolve<int>());
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ASSERT_EQ(any.cast<int>(), 6);
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for(auto curr: func.prop()) {
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ASSERT_EQ(curr.first, "true"_hs);
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ASSERT_FALSE(curr.second.value().template cast<bool>());
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}
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ASSERT_FALSE(func.prop(false));
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ASSERT_FALSE(func.prop('c'));
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auto prop = func.prop("true"_hs);
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ASSERT_TRUE(prop);
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ASSERT_FALSE(prop.value().cast<bool>());
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}
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TEST_F(MetaFunc, StaticRetVoid) {
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using namespace entt::literals;
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auto func = entt::resolve<func_t>().func("k"_hs);
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ASSERT_TRUE(func);
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ASSERT_EQ(func.arity(), 1u);
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ASSERT_FALSE(func.is_const());
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ASSERT_TRUE(func.is_static());
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ASSERT_EQ(func.ret(), entt::resolve<void>());
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ASSERT_EQ(func.arg(0u), entt::resolve<int>());
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ASSERT_FALSE(func.arg(1u));
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auto any = func.invoke({}, 42);
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ASSERT_TRUE(any);
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ASSERT_EQ(any.type(), entt::resolve<void>());
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ASSERT_EQ(func_t::value, 42);
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for(auto curr: func.prop()) {
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ASSERT_EQ(curr.first, "true"_hs);
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ASSERT_FALSE(curr.second.value().template cast<bool>());
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}
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ASSERT_FALSE(func.prop(false));
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ASSERT_FALSE(func.prop('c'));
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auto prop = func.prop("true"_hs);
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ASSERT_TRUE(prop);
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ASSERT_FALSE(prop.value().cast<bool>());
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}
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TEST_F(MetaFunc, StaticAsMember) {
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using namespace entt::literals;
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base_t instance{};
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auto func = entt::resolve<base_t>().func("fake_member"_hs);
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auto any = func.invoke(instance, 42);
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ASSERT_TRUE(func);
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ASSERT_EQ(func.arity(), 1u);
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ASSERT_FALSE(func.is_const());
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ASSERT_FALSE(func.is_static());
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ASSERT_EQ(func.ret(), entt::resolve<void>());
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ASSERT_EQ(func.arg(0u), entt::resolve<int>());
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ASSERT_FALSE(func.arg(1u));
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ASSERT_EQ(func.prop().cbegin(), func.prop().cend());
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ASSERT_FALSE(func.invoke({}, 42));
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ASSERT_FALSE(func.invoke(std::as_const(instance), 42));
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ASSERT_TRUE(any);
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ASSERT_EQ(any.type(), entt::resolve<void>());
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ASSERT_EQ(instance.value, 42);
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}
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TEST_F(MetaFunc, StaticAsConstMember) {
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using namespace entt::literals;
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base_t instance{};
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auto func = entt::resolve<base_t>().func("fake_const_member"_hs);
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auto any = func.invoke(std::as_const(instance));
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ASSERT_TRUE(func);
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ASSERT_EQ(func.arity(), 0u);
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ASSERT_TRUE(func.is_const());
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ASSERT_FALSE(func.is_static());
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ASSERT_EQ(func.ret(), entt::resolve<int>());
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ASSERT_FALSE(func.arg(0u));
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ASSERT_EQ(func.prop().cbegin(), func.prop().cend());
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ASSERT_FALSE(func.invoke({}));
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ASSERT_TRUE(func.invoke(instance));
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ASSERT_TRUE(any);
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ASSERT_EQ(any.type(), entt::resolve<int>());
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ASSERT_EQ(any.cast<int>(), 3);
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}
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TEST_F(MetaFunc, MetaAnyArgs) {
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using namespace entt::literals;
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func_t instance;
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auto any = entt::resolve<func_t>().func("f1"_hs).invoke(instance, 3);
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ASSERT_TRUE(any);
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ASSERT_EQ(any.type(), entt::resolve<int>());
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ASSERT_EQ(any.cast<int>(), 9);
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}
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TEST_F(MetaFunc, InvalidArgs) {
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using namespace entt::literals;
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int value = 3;
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ASSERT_FALSE(entt::resolve<func_t>().func("f1"_hs).invoke(value, 'c'));
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}
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TEST_F(MetaFunc, CastAndConvert) {
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using namespace entt::literals;
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func_t instance;
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instance.value = 3;
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auto any = entt::resolve<func_t>().func("f3"_hs).invoke(instance, derived_t{}, 0, instance);
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ASSERT_TRUE(any);
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ASSERT_EQ(any.type(), entt::resolve<int>());
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ASSERT_EQ(any.cast<int>(), 9);
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ASSERT_EQ(instance.value, 0);
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}
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TEST_F(MetaFunc, ArithmeticConversion) {
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using namespace entt::literals;
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func_t instance;
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auto any = entt::resolve<func_t>().func("f2"_hs).invoke(instance, true, 4.2);
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ASSERT_TRUE(any);
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ASSERT_EQ(any.type(), entt::resolve<int>());
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ASSERT_EQ(any.cast<int>(), 16);
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ASSERT_EQ(instance.value, 1);
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}
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TEST_F(MetaFunc, ArgsByRef) {
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using namespace entt::literals;
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auto func = entt::resolve<func_t>().func("h"_hs);
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func_t::value = 2;
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entt::meta_any any{3};
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int value = 4;
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ASSERT_EQ(func.invoke({}, entt::forward_as_meta(value)).cast<int>(), 8);
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ASSERT_EQ(func.invoke({}, any.as_ref()).cast<int>(), 6);
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ASSERT_EQ(any.cast<int>(), 6);
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ASSERT_EQ(value, 8);
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}
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TEST_F(MetaFunc, ArgsByConstRef) {
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using namespace entt::literals;
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func_t instance{};
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auto func = entt::resolve<func_t>().func("g"_hs);
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entt::meta_any any{2};
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int value = 3;
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ASSERT_TRUE(func.invoke(instance, entt::forward_as_meta(std::as_const(value))));
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ASSERT_EQ(func_t::value, 9);
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ASSERT_TRUE(func.invoke(instance, std::as_const(any).as_ref()));
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ASSERT_EQ(func_t::value, 4);
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}
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TEST_F(MetaFunc, ConstInstance) {
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using namespace entt::literals;
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func_t instance{};
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auto any = entt::resolve<func_t>().func("f1"_hs).invoke(std::as_const(instance), 2);
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ASSERT_FALSE(entt::resolve<func_t>().func("g"_hs).invoke(std::as_const(instance), 42));
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ASSERT_TRUE(any);
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ASSERT_EQ(any.cast<int>(), 4);
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}
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TEST_F(MetaFunc, AsVoid) {
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using namespace entt::literals;
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auto func = entt::resolve<func_t>().func("v"_hs);
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func_t instance{};
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ASSERT_EQ(func.invoke(instance, 42), entt::meta_any{std::in_place_type<void>});
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ASSERT_EQ(func.ret(), entt::resolve<void>());
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ASSERT_EQ(instance.value, 42);
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}
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TEST_F(MetaFunc, AsRef) {
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using namespace entt::literals;
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func_t instance{};
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auto func = entt::resolve<func_t>().func("a"_hs);
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func.invoke(instance).cast<int &>() = 3;
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ASSERT_EQ(func.ret(), entt::resolve<int>());
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ASSERT_EQ(instance.value, 3);
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}
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TEST_F(MetaFunc, AsConstRef) {
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using namespace entt::literals;
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func_t instance{};
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auto func = entt::resolve<func_t>().func("ca"_hs);
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ASSERT_EQ(func.ret(), entt::resolve<int>());
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ASSERT_EQ(func.invoke(instance).cast<const int &>(), 3);
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ASSERT_EQ(func.invoke(instance).cast<int>(), 3);
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}
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ENTT_DEBUG_TEST_F(MetaFuncDeathTest, AsConstRef) {
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using namespace entt::literals;
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func_t instance{};
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auto func = entt::resolve<func_t>().func("ca"_hs);
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ASSERT_DEATH((func.invoke(instance).cast<int &>() = 3), "");
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}
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TEST_F(MetaFunc, InvokeBaseFunction) {
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using namespace entt::literals;
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auto type = entt::resolve<derived_t>();
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derived_t instance{};
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ASSERT_TRUE(type.func("setter"_hs));
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ASSERT_EQ(instance.value, 3);
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type.func("setter"_hs).invoke(instance, 42);
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ASSERT_EQ(instance.value, 42);
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}
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TEST_F(MetaFunc, InvokeFromBase) {
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using namespace entt::literals;
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auto type = entt::resolve<derived_t>();
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derived_t instance{};
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|
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auto setter_from_base = type.func("setter_from_base"_hs);
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|
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ASSERT_TRUE(setter_from_base);
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|
ASSERT_EQ(instance.value, 3);
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|
|
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setter_from_base.invoke(instance, 42);
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|
|
|
ASSERT_EQ(instance.value, 42);
|
|
|
|
auto getter_from_base = type.func("getter_from_base"_hs);
|
|
|
|
ASSERT_TRUE(getter_from_base);
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|
ASSERT_EQ(getter_from_base.invoke(instance).cast<int>(), 42);
|
|
|
|
auto static_setter_from_base = type.func("static_setter_from_base"_hs);
|
|
|
|
ASSERT_TRUE(static_setter_from_base);
|
|
ASSERT_EQ(instance.value, 42);
|
|
|
|
static_setter_from_base.invoke(instance, 3);
|
|
|
|
ASSERT_EQ(instance.value, 3);
|
|
}
|
|
|
|
TEST_F(MetaFunc, ExternalMemberFunction) {
|
|
using namespace entt::literals;
|
|
|
|
auto func = entt::resolve<func_t>().func("emplace"_hs);
|
|
|
|
ASSERT_TRUE(func);
|
|
ASSERT_EQ(func.arity(), 2u);
|
|
ASSERT_FALSE(func.is_const());
|
|
ASSERT_TRUE(func.is_static());
|
|
ASSERT_EQ(func.ret(), entt::resolve<void>());
|
|
ASSERT_EQ(func.arg(0u), entt::resolve<entt::registry>());
|
|
ASSERT_EQ(func.arg(1u), entt::resolve<entt::entity>());
|
|
ASSERT_FALSE(func.arg(2u));
|
|
|
|
entt::registry registry;
|
|
const auto entity = registry.create();
|
|
|
|
ASSERT_FALSE(registry.all_of<func_t>(entity));
|
|
|
|
func.invoke({}, entt::forward_as_meta(registry), entity);
|
|
|
|
ASSERT_TRUE(registry.all_of<func_t>(entity));
|
|
}
|
|
|
|
TEST_F(MetaFunc, ReRegistration) {
|
|
using namespace entt::literals;
|
|
|
|
ASSERT_EQ(reset_and_check(), 0u);
|
|
|
|
func_t instance{};
|
|
auto type = entt::resolve<func_t>();
|
|
|
|
ASSERT_TRUE(type.func("f2"_hs));
|
|
ASSERT_FALSE(type.invoke("f2"_hs, instance, 0));
|
|
ASSERT_TRUE(type.invoke("f2"_hs, instance, 0, 0));
|
|
|
|
ASSERT_TRUE(type.func("f1"_hs));
|
|
ASSERT_TRUE(type.invoke("f1"_hs, instance, 0));
|
|
ASSERT_FALSE(type.invoke("f1"_hs, instance, 0, 0));
|
|
|
|
entt::meta<func_t>()
|
|
.func<entt::overload<int(int, int)>(&func_t::f)>("f"_hs)
|
|
.func<entt::overload<int(int) const>(&func_t::f)>("f"_hs);
|
|
|
|
ASSERT_TRUE(type.func("f1"_hs));
|
|
ASSERT_TRUE(type.func("f2"_hs));
|
|
ASSERT_TRUE(type.func("f"_hs));
|
|
|
|
ASSERT_TRUE(type.invoke("f"_hs, instance, 0));
|
|
ASSERT_TRUE(type.invoke("f"_hs, instance, 0, 0));
|
|
|
|
ASSERT_EQ(reset_and_check(), 0u);
|
|
}
|