test: added meta_any

This commit is contained in:
Michele Caini
2020-06-10 15:32:30 +02:00
parent 320d815d60
commit 29832bb2c0
3 changed files with 624 additions and 570 deletions

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@@ -178,6 +178,7 @@ SETUP_BASIC_TEST(locator entt/locator/locator.cpp)
# Test meta
list(APPEND TEST_META_SOURCES entt/meta/meta.cpp entt/meta/fixture.cpp)
SETUP_BASIC_TEST(meta_any entt/meta/meta_any.cpp)
SETUP_BASIC_TEST(meta_basic entt/meta/meta_basic.cpp)
SETUP_BASIC_TEST(meta "${TEST_META_SOURCES}")

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@@ -9,576 +9,6 @@
#include <entt/meta/resolve.hpp>
#include "fixture.h"
TEST_F(Meta, MetaAnySBO) {
entt::meta_any any{'c'};
ASSERT_TRUE(any);
ASSERT_FALSE(any.try_cast<std::size_t>());
ASSERT_EQ(any.cast<char>(), 'c');
ASSERT_NE(any.data(), nullptr);
ASSERT_EQ(any, entt::meta_any{'c'});
ASSERT_NE(entt::meta_any{'h'}, any);
}
TEST_F(Meta, MetaAnyNoSBO) {
int value = 42;
fat_type instance{&value};
entt::meta_any any{instance};
ASSERT_TRUE(any);
ASSERT_FALSE(any.try_cast<std::size_t>());
ASSERT_EQ(any.cast<fat_type>(), instance);
ASSERT_NE(any.data(), nullptr);
ASSERT_EQ(any, entt::meta_any{instance});
ASSERT_NE(fat_type{}, any);
}
TEST_F(Meta, MetaAnyEmpty) {
entt::meta_any any{};
ASSERT_FALSE(any);
ASSERT_FALSE(any.type());
ASSERT_FALSE(any.try_cast<std::size_t>());
ASSERT_EQ(any.data(), nullptr);
ASSERT_EQ(any, entt::meta_any{});
ASSERT_NE(entt::meta_any{'c'}, any);
}
TEST_F(Meta, MetaAnySBOInPlaceTypeConstruction) {
entt::meta_any any{std::in_place_type<int>, 42};
ASSERT_TRUE(any);
ASSERT_FALSE(any.try_cast<std::size_t>());
ASSERT_EQ(any.cast<int>(), 42);
ASSERT_NE(any.data(), nullptr);
ASSERT_EQ(any, (entt::meta_any{std::in_place_type<int>, 42}));
ASSERT_EQ(any, entt::meta_any{42});
ASSERT_NE(entt::meta_any{3}, any);
}
TEST_F(Meta, MetaAnySBOAsAliasConstruction) {
int value = 3;
int other = 42;
entt::meta_any any{std::ref(value)};
ASSERT_TRUE(any);
ASSERT_FALSE(any.try_cast<std::size_t>());
ASSERT_EQ(any.cast<int>(), 3);
ASSERT_NE(any.data(), nullptr);
ASSERT_EQ(any, (entt::meta_any{std::ref(value)}));
ASSERT_NE(any, (entt::meta_any{std::ref(other)}));
ASSERT_NE(any, entt::meta_any{42});
ASSERT_EQ(entt::meta_any{3}, any);
}
TEST_F(Meta, MetaAnySBOCopyConstruction) {
entt::meta_any any{42};
entt::meta_any other{any};
ASSERT_TRUE(any);
ASSERT_TRUE(other);
ASSERT_FALSE(other.try_cast<std::size_t>());
ASSERT_EQ(other.cast<int>(), 42);
ASSERT_EQ(other, entt::meta_any{42});
ASSERT_NE(other, entt::meta_any{0});
}
TEST_F(Meta, MetaAnySBOCopyAssignment) {
entt::meta_any any{42};
entt::meta_any other{3};
other = any;
ASSERT_TRUE(any);
ASSERT_TRUE(other);
ASSERT_FALSE(other.try_cast<std::size_t>());
ASSERT_EQ(other.cast<int>(), 42);
ASSERT_EQ(other, entt::meta_any{42});
ASSERT_NE(other, entt::meta_any{0});
}
TEST_F(Meta, MetaAnySBOMoveConstruction) {
entt::meta_any any{42};
entt::meta_any other{std::move(any)};
ASSERT_FALSE(any);
ASSERT_TRUE(other);
ASSERT_FALSE(other.try_cast<std::size_t>());
ASSERT_EQ(other.cast<int>(), 42);
ASSERT_EQ(other, entt::meta_any{42});
ASSERT_NE(other, entt::meta_any{0});
}
TEST_F(Meta, MetaAnySBOMoveAssignment) {
entt::meta_any any{42};
entt::meta_any other{3};
other = std::move(any);
ASSERT_FALSE(any);
ASSERT_TRUE(other);
ASSERT_FALSE(other.try_cast<std::size_t>());
ASSERT_EQ(other.cast<int>(), 42);
ASSERT_EQ(other, entt::meta_any{42});
ASSERT_NE(other, entt::meta_any{0});
}
TEST_F(Meta, MetaAnySBODirectAssignment) {
entt::meta_any any{};
any = 42;
ASSERT_FALSE(any.try_cast<std::size_t>());
ASSERT_EQ(any.cast<int>(), 42);
ASSERT_EQ(any, entt::meta_any{42});
ASSERT_NE(entt::meta_any{0}, any);
}
TEST_F(Meta, MetaAnyNoSBOInPlaceTypeConstruction) {
int value = 42;
fat_type instance{&value};
entt::meta_any any{std::in_place_type<fat_type>, instance};
ASSERT_TRUE(any);
ASSERT_FALSE(any.try_cast<std::size_t>());
ASSERT_EQ(any.cast<fat_type>(), instance);
ASSERT_NE(any.data(), nullptr);
ASSERT_EQ(any, (entt::meta_any{std::in_place_type<fat_type>, instance}));
ASSERT_EQ(any, entt::meta_any{instance});
ASSERT_NE(entt::meta_any{fat_type{}}, any);
}
TEST_F(Meta, MetaAnyNoSBOAsAliasConstruction) {
int value = 3;
fat_type instance{&value};
entt::meta_any any{std::ref(instance)};
ASSERT_TRUE(any);
ASSERT_FALSE(any.try_cast<std::size_t>());
ASSERT_EQ(any.cast<fat_type>(), instance);
ASSERT_NE(any.data(), nullptr);
ASSERT_EQ(any, (entt::meta_any{std::ref(instance)}));
ASSERT_EQ(any, entt::meta_any{instance});
ASSERT_NE(entt::meta_any{fat_type{}}, any);
}
TEST_F(Meta, MetaAnyNoSBOCopyConstruction) {
int value = 42;
fat_type instance{&value};
entt::meta_any any{instance};
entt::meta_any other{any};
ASSERT_TRUE(any);
ASSERT_TRUE(other);
ASSERT_FALSE(other.try_cast<std::size_t>());
ASSERT_EQ(other.cast<fat_type>(), instance);
ASSERT_EQ(other, entt::meta_any{instance});
ASSERT_NE(other, fat_type{});
}
TEST_F(Meta, MetaAnyNoSBOCopyAssignment) {
int value = 42;
fat_type instance{&value};
entt::meta_any any{instance};
entt::meta_any other{3};
other = any;
ASSERT_TRUE(any);
ASSERT_TRUE(other);
ASSERT_FALSE(other.try_cast<std::size_t>());
ASSERT_EQ(other.cast<fat_type>(), instance);
ASSERT_EQ(other, entt::meta_any{instance});
ASSERT_NE(other, fat_type{});
}
TEST_F(Meta, MetaAnyNoSBOMoveConstruction) {
int value = 42;
fat_type instance{&value};
entt::meta_any any{instance};
entt::meta_any other{std::move(any)};
ASSERT_FALSE(any);
ASSERT_TRUE(other);
ASSERT_FALSE(other.try_cast<std::size_t>());
ASSERT_EQ(other.cast<fat_type>(), instance);
ASSERT_EQ(other, entt::meta_any{instance});
ASSERT_NE(other, fat_type{});
}
TEST_F(Meta, MetaAnyNoSBOMoveAssignment) {
int value = 42;
fat_type instance{&value};
entt::meta_any any{instance};
entt::meta_any other{3};
other = std::move(any);
ASSERT_FALSE(any);
ASSERT_TRUE(other);
ASSERT_FALSE(other.try_cast<std::size_t>());
ASSERT_EQ(other.cast<fat_type>(), instance);
ASSERT_EQ(other, entt::meta_any{instance});
ASSERT_NE(other, fat_type{});
}
TEST_F(Meta, MetaAnyNoSBODirectAssignment) {
int value = 42;
entt::meta_any any{};
any = fat_type{&value};
ASSERT_FALSE(any.try_cast<std::size_t>());
ASSERT_EQ(any.cast<fat_type>(), fat_type{&value});
ASSERT_EQ(any, entt::meta_any{fat_type{&value}});
ASSERT_NE(fat_type{}, any);
}
TEST_F(Meta, MetaAnyVoidInPlaceTypeConstruction) {
entt::meta_any any{std::in_place_type<void>};
ASSERT_TRUE(any);
ASSERT_FALSE(any.try_cast<char>());
ASSERT_EQ(any.data(), nullptr);
ASSERT_EQ(any.type(), entt::resolve<void>());
ASSERT_EQ(any, entt::meta_any{std::in_place_type<void>});
ASSERT_NE(entt::meta_any{3}, any);
}
TEST_F(Meta, MetaAnyVoidCopyConstruction) {
entt::meta_any any{std::in_place_type<void>};
entt::meta_any other{any};
ASSERT_TRUE(any);
ASSERT_TRUE(other);
ASSERT_EQ(any.type(), entt::resolve<void>());
ASSERT_EQ(other, entt::meta_any{std::in_place_type<void>});
}
TEST_F(Meta, MetaAnyVoidCopyAssignment) {
entt::meta_any any{std::in_place_type<void>};
entt::meta_any other{std::in_place_type<void>};
other = any;
ASSERT_TRUE(any);
ASSERT_TRUE(other);
ASSERT_EQ(any.type(), entt::resolve<void>());
ASSERT_EQ(other, entt::meta_any{std::in_place_type<void>});
}
TEST_F(Meta, MetaAnyVoidMoveConstruction) {
entt::meta_any any{std::in_place_type<void>};
entt::meta_any other{std::move(any)};
ASSERT_FALSE(any);
ASSERT_TRUE(other);
ASSERT_EQ(other.type(), entt::resolve<void>());
ASSERT_EQ(other, entt::meta_any{std::in_place_type<void>});
}
TEST_F(Meta, MetaAnyVoidMoveAssignment) {
entt::meta_any any{std::in_place_type<void>};
entt::meta_any other{std::in_place_type<void>};
other = std::move(any);
ASSERT_FALSE(any);
ASSERT_TRUE(other);
ASSERT_EQ(other.type(), entt::resolve<void>());
ASSERT_EQ(other, entt::meta_any{std::in_place_type<void>});
}
TEST_F(Meta, MetaAnySBOMoveInvalidate) {
entt::meta_any any{42};
entt::meta_any other{std::move(any)};
entt::meta_any valid = std::move(other);
ASSERT_FALSE(any);
ASSERT_FALSE(other);
ASSERT_TRUE(valid);
}
TEST_F(Meta, MetaAnyNoSBOMoveInvalidate) {
int value = 42;
fat_type instance{&value};
entt::meta_any any{instance};
entt::meta_any other{std::move(any)};
entt::meta_any valid = std::move(other);
ASSERT_FALSE(any);
ASSERT_FALSE(other);
ASSERT_TRUE(valid);
}
TEST_F(Meta, MetaAnyVoidMoveInvalidate) {
entt::meta_any any{std::in_place_type<void>};
entt::meta_any other{std::move(any)};
entt::meta_any valid = std::move(other);
ASSERT_FALSE(any);
ASSERT_FALSE(other);
ASSERT_TRUE(valid);
}
TEST_F(Meta, MetaAnySBODestruction) {
ASSERT_EQ(empty_type::counter, 0);
{ entt::meta_any any{empty_type{}}; }
ASSERT_EQ(empty_type::counter, 1);
}
TEST_F(Meta, MetaAnyNoSBODestruction) {
ASSERT_EQ(fat_type::counter, 0);
{ entt::meta_any any{fat_type{}}; }
ASSERT_EQ(fat_type::counter, 1);
}
TEST_F(Meta, MetaAnyVoidDestruction) {
// just let asan tell us if everything is ok here
[[maybe_unused]] entt::meta_any any{std::in_place_type<void>};
}
TEST_F(Meta, MetaAnyEmplace) {
entt::meta_any any{};
any.emplace<int>(42);
ASSERT_TRUE(any);
ASSERT_FALSE(any.try_cast<std::size_t>());
ASSERT_EQ(any.cast<int>(), 42);
ASSERT_NE(any.data(), nullptr);
ASSERT_EQ(any, (entt::meta_any{std::in_place_type<int>, 42}));
ASSERT_EQ(any, entt::meta_any{42});
ASSERT_NE(entt::meta_any{3}, any);
}
TEST_F(Meta, MetaAnyEmplaceVoid) {
entt::meta_any any{};
any.emplace<void>();
ASSERT_TRUE(any);
ASSERT_EQ(any.data(), nullptr);
ASSERT_EQ(any.type(), entt::resolve<void>());
ASSERT_EQ(any, (entt::meta_any{std::in_place_type<void>}));
}
TEST_F(Meta, MetaAnySBOSwap) {
entt::meta_any lhs{'c'};
entt::meta_any rhs{42};
std::swap(lhs, rhs);
ASSERT_FALSE(lhs.try_cast<char>());
ASSERT_EQ(lhs.cast<int>(), 42);
ASSERT_FALSE(rhs.try_cast<int>());
ASSERT_EQ(rhs.cast<char>(), 'c');
}
TEST_F(Meta, MetaAnyNoSBOSwap) {
int i, j;
entt::meta_any lhs{fat_type{&i}};
entt::meta_any rhs{fat_type{&j}};
std::swap(lhs, rhs);
ASSERT_EQ(lhs.cast<fat_type>().foo, &j);
ASSERT_EQ(rhs.cast<fat_type>().bar, &i);
}
TEST_F(Meta, MetaAnyVoidSwap) {
entt::meta_any lhs{std::in_place_type<void>};
entt::meta_any rhs{std::in_place_type<void>};
const auto *pre = lhs.data();
std::swap(lhs, rhs);
ASSERT_EQ(pre, lhs.data());
}
TEST_F(Meta, MetaAnySBOWithNoSBOSwap) {
int value = 42;
entt::meta_any lhs{fat_type{&value}};
entt::meta_any rhs{'c'};
std::swap(lhs, rhs);
ASSERT_FALSE(lhs.try_cast<fat_type>());
ASSERT_EQ(lhs.cast<char>(), 'c');
ASSERT_FALSE(rhs.try_cast<char>());
ASSERT_EQ(rhs.cast<fat_type>().foo, &value);
ASSERT_EQ(rhs.cast<fat_type>().bar, &value);
}
TEST_F(Meta, MetaAnySBOWithEmptySwap) {
entt::meta_any lhs{'c'};
entt::meta_any rhs{};
std::swap(lhs, rhs);
ASSERT_FALSE(lhs);
ASSERT_EQ(rhs.cast<char>(), 'c');
std::swap(lhs, rhs);
ASSERT_FALSE(rhs);
ASSERT_EQ(lhs.cast<char>(), 'c');
}
TEST_F(Meta, MetaAnySBOWithVoidSwap) {
entt::meta_any lhs{'c'};
entt::meta_any rhs{std::in_place_type<void>};
std::swap(lhs, rhs);
ASSERT_EQ(lhs.type(), entt::resolve<void>());
ASSERT_EQ(rhs.cast<char>(), 'c');
}
TEST_F(Meta, MetaAnyNoSBOWithEmptySwap) {
int i;
entt::meta_any lhs{fat_type{&i}};
entt::meta_any rhs{};
std::swap(lhs, rhs);
ASSERT_EQ(rhs.cast<fat_type>().bar, &i);
std::swap(lhs, rhs);
ASSERT_EQ(lhs.cast<fat_type>().bar, &i);
}
TEST_F(Meta, MetaAnyNoSBOWithVoidSwap) {
int i;
entt::meta_any lhs{fat_type{&i}};
entt::meta_any rhs{std::in_place_type<void>};
std::swap(lhs, rhs);
ASSERT_EQ(rhs.cast<fat_type>().bar, &i);
std::swap(lhs, rhs);
ASSERT_EQ(lhs.cast<fat_type>().bar, &i);
}
TEST_F(Meta, MetaAnyComparable) {
entt::meta_any any{'c'};
ASSERT_EQ(any, any);
ASSERT_EQ(any, entt::meta_any{'c'});
ASSERT_NE(entt::meta_any{'a'}, any);
ASSERT_NE(any, entt::meta_any{});
ASSERT_TRUE(any == any);
ASSERT_TRUE(any == entt::meta_any{'c'});
ASSERT_FALSE(entt::meta_any{'a'} == any);
ASSERT_TRUE(any != entt::meta_any{'a'});
ASSERT_TRUE(entt::meta_any{} != any);
}
TEST_F(Meta, MetaAnyNotComparable) {
entt::meta_any any{not_comparable_type{}};
ASSERT_EQ(any, any);
ASSERT_NE(any, entt::meta_any{not_comparable_type{}});
ASSERT_NE(entt::meta_any{}, any);
ASSERT_TRUE(any == any);
ASSERT_FALSE(any == entt::meta_any{not_comparable_type{}});
ASSERT_TRUE(entt::meta_any{} != any);
}
TEST_F(Meta, MetaAnyCompareVoid) {
entt::meta_any any{std::in_place_type<void>};
ASSERT_EQ(any, any);
ASSERT_EQ(any, entt::meta_any{std::in_place_type<void>});
ASSERT_NE(entt::meta_any{'a'}, any);
ASSERT_NE(any, entt::meta_any{});
ASSERT_TRUE(any == any);
ASSERT_TRUE(any == entt::meta_any{std::in_place_type<void>});
ASSERT_FALSE(entt::meta_any{'a'} == any);
ASSERT_TRUE(any != entt::meta_any{'a'});
ASSERT_TRUE(entt::meta_any{} != any);
}
TEST_F(Meta, MetaAnyTryCast) {
entt::meta_any any{derived_type{}};
ASSERT_TRUE(any);
ASSERT_EQ(any.type(), entt::resolve<derived_type>());
ASSERT_EQ(any.try_cast<void>(), nullptr);
ASSERT_NE(any.try_cast<base_type>(), nullptr);
ASSERT_EQ(any.try_cast<derived_type>(), any.data());
ASSERT_EQ(std::as_const(any).try_cast<base_type>(), any.try_cast<base_type>());
ASSERT_EQ(std::as_const(any).try_cast<derived_type>(), any.data());
}
TEST_F(Meta, MetaAnyCast) {
entt::meta_any any{derived_type{}};
ASSERT_TRUE(any);
ASSERT_EQ(any.type(), entt::resolve<derived_type>());
ASSERT_EQ(any.try_cast<std::size_t>(), nullptr);
ASSERT_NE(any.try_cast<base_type>(), nullptr);
ASSERT_EQ(any.try_cast<derived_type>(), any.data());
ASSERT_EQ(std::as_const(any).try_cast<base_type>(), any.try_cast<base_type>());
ASSERT_EQ(std::as_const(any).try_cast<derived_type>(), any.data());
}
TEST_F(Meta, MetaAnyConvert) {
entt::meta_any any{42.};
ASSERT_TRUE(any);
ASSERT_EQ(any.type(), entt::resolve<double>());
ASSERT_TRUE(any.convert<double>());
ASSERT_FALSE(any.convert<char>());
ASSERT_EQ(any.type(), entt::resolve<double>());
ASSERT_EQ(any.cast<double>(), 42.);
ASSERT_TRUE(any.convert<int>());
ASSERT_EQ(any.type(), entt::resolve<int>());
ASSERT_EQ(any.cast<int>(), 42);
}
TEST_F(Meta, MetaAnyConstConvert) {
const entt::meta_any any{42.};
ASSERT_TRUE(any);
ASSERT_EQ(any.type(), entt::resolve<double>());
ASSERT_TRUE(any.convert<double>());
ASSERT_FALSE(any.convert<char>());
ASSERT_EQ(any.type(), entt::resolve<double>());
ASSERT_EQ(any.cast<double>(), 42.);
auto other = any.convert<int>();
ASSERT_EQ(any.type(), entt::resolve<double>());
ASSERT_EQ(any.cast<double>(), 42.);
ASSERT_EQ(other.type(), entt::resolve<int>());
ASSERT_EQ(other.cast<int>(), 42);
}
TEST_F(Meta, MetaAnyUnmanageableType) {
unmanageable_type instance;
entt::meta_any any{std::ref(instance)};
entt::meta_any other = any;
std::swap(any, other);
ASSERT_TRUE(any);
ASSERT_TRUE(other);
ASSERT_EQ(any.type(), entt::resolve<unmanageable_type>());
ASSERT_NE(any.data(), nullptr);
ASSERT_EQ(any.try_cast<int>(), nullptr);
ASSERT_NE(any.try_cast<unmanageable_type>(), nullptr);
ASSERT_TRUE(any.convert<unmanageable_type>());
ASSERT_FALSE(any.convert<int>());
ASSERT_TRUE(std::as_const(any).convert<unmanageable_type>());
ASSERT_FALSE(std::as_const(any).convert<int>());
}
TEST_F(Meta, MetaProp) {
auto prop = entt::resolve<char>().prop(props::prop_int);

623
test/entt/meta/meta_any.cpp Normal file
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@@ -0,0 +1,623 @@
#include <gtest/gtest.h>
#include <entt/core/hashed_string.hpp>
#include <entt/meta/factory.hpp>
#include <entt/meta/meta.hpp>
#include <entt/meta/resolve.hpp>
struct empty_type {
virtual ~empty_type() = default;
static void destroy(empty_type &) {
++counter;
}
inline static int counter = 0;
};
struct fat_type: empty_type {
fat_type() = default;
fat_type(int *value)
: foo{value}, bar{value}
{}
bool operator==(const fat_type &other) const {
return foo == other.foo && bar == other.bar;
}
int *foo{nullptr};
int *bar{nullptr};
};
struct not_comparable_type {
bool operator==(const not_comparable_type &) const = delete;
};
struct unmanageable_type {
unmanageable_type() = default;
unmanageable_type(const unmanageable_type &) = delete;
unmanageable_type(unmanageable_type &&) = delete;
unmanageable_type & operator=(const unmanageable_type &) = delete;
unmanageable_type & operator=(unmanageable_type &&) = delete;
};
struct Meta: ::testing::Test {
static void SetUpTestCase() {
entt::meta<double>().conv<int>();
entt::meta<empty_type>().dtor<&empty_type::destroy>();
entt::meta<fat_type>().base<empty_type>().dtor<&fat_type::destroy>();
}
void SetUp() override {
empty_type::counter = 0;
}
};
TEST_F(Meta, MetaAnySBO) {
entt::meta_any any{'c'};
ASSERT_TRUE(any);
ASSERT_FALSE(any.try_cast<std::size_t>());
ASSERT_EQ(any.cast<char>(), 'c');
ASSERT_NE(any.data(), nullptr);
ASSERT_EQ(any, entt::meta_any{'c'});
ASSERT_NE(entt::meta_any{'h'}, any);
}
TEST_F(Meta, MetaAnyNoSBO) {
int value = 42;
fat_type instance{&value};
entt::meta_any any{instance};
ASSERT_TRUE(any);
ASSERT_FALSE(any.try_cast<std::size_t>());
ASSERT_EQ(any.cast<fat_type>(), instance);
ASSERT_NE(any.data(), nullptr);
ASSERT_EQ(any, entt::meta_any{instance});
ASSERT_NE(fat_type{}, any);
}
TEST_F(Meta, MetaAnyEmpty) {
entt::meta_any any{};
ASSERT_FALSE(any);
ASSERT_FALSE(any.type());
ASSERT_FALSE(any.try_cast<std::size_t>());
ASSERT_EQ(any.data(), nullptr);
ASSERT_EQ(any, entt::meta_any{});
ASSERT_NE(entt::meta_any{'c'}, any);
}
TEST_F(Meta, MetaAnySBOInPlaceTypeConstruction) {
entt::meta_any any{std::in_place_type<int>, 42};
ASSERT_TRUE(any);
ASSERT_FALSE(any.try_cast<std::size_t>());
ASSERT_EQ(any.cast<int>(), 42);
ASSERT_NE(any.data(), nullptr);
ASSERT_EQ(any, (entt::meta_any{std::in_place_type<int>, 42}));
ASSERT_EQ(any, entt::meta_any{42});
ASSERT_NE(entt::meta_any{3}, any);
}
TEST_F(Meta, MetaAnySBOAsAliasConstruction) {
int value = 3;
int other = 42;
entt::meta_any any{std::ref(value)};
ASSERT_TRUE(any);
ASSERT_FALSE(any.try_cast<std::size_t>());
ASSERT_EQ(any.cast<int>(), 3);
ASSERT_NE(any.data(), nullptr);
ASSERT_EQ(any, (entt::meta_any{std::ref(value)}));
ASSERT_NE(any, (entt::meta_any{std::ref(other)}));
ASSERT_NE(any, entt::meta_any{42});
ASSERT_EQ(entt::meta_any{3}, any);
}
TEST_F(Meta, MetaAnySBOCopyConstruction) {
entt::meta_any any{42};
entt::meta_any other{any};
ASSERT_TRUE(any);
ASSERT_TRUE(other);
ASSERT_FALSE(other.try_cast<std::size_t>());
ASSERT_EQ(other.cast<int>(), 42);
ASSERT_EQ(other, entt::meta_any{42});
ASSERT_NE(other, entt::meta_any{0});
}
TEST_F(Meta, MetaAnySBOCopyAssignment) {
entt::meta_any any{42};
entt::meta_any other{3};
other = any;
ASSERT_TRUE(any);
ASSERT_TRUE(other);
ASSERT_FALSE(other.try_cast<std::size_t>());
ASSERT_EQ(other.cast<int>(), 42);
ASSERT_EQ(other, entt::meta_any{42});
ASSERT_NE(other, entt::meta_any{0});
}
TEST_F(Meta, MetaAnySBOMoveConstruction) {
entt::meta_any any{42};
entt::meta_any other{std::move(any)};
ASSERT_FALSE(any);
ASSERT_TRUE(other);
ASSERT_FALSE(other.try_cast<std::size_t>());
ASSERT_EQ(other.cast<int>(), 42);
ASSERT_EQ(other, entt::meta_any{42});
ASSERT_NE(other, entt::meta_any{0});
}
TEST_F(Meta, MetaAnySBOMoveAssignment) {
entt::meta_any any{42};
entt::meta_any other{3};
other = std::move(any);
ASSERT_FALSE(any);
ASSERT_TRUE(other);
ASSERT_FALSE(other.try_cast<std::size_t>());
ASSERT_EQ(other.cast<int>(), 42);
ASSERT_EQ(other, entt::meta_any{42});
ASSERT_NE(other, entt::meta_any{0});
}
TEST_F(Meta, MetaAnySBODirectAssignment) {
entt::meta_any any{};
any = 42;
ASSERT_FALSE(any.try_cast<std::size_t>());
ASSERT_EQ(any.cast<int>(), 42);
ASSERT_EQ(any, entt::meta_any{42});
ASSERT_NE(entt::meta_any{0}, any);
}
TEST_F(Meta, MetaAnyNoSBOInPlaceTypeConstruction) {
int value = 42;
fat_type instance{&value};
entt::meta_any any{std::in_place_type<fat_type>, instance};
ASSERT_TRUE(any);
ASSERT_FALSE(any.try_cast<std::size_t>());
ASSERT_EQ(any.cast<fat_type>(), instance);
ASSERT_NE(any.data(), nullptr);
ASSERT_EQ(any, (entt::meta_any{std::in_place_type<fat_type>, instance}));
ASSERT_EQ(any, entt::meta_any{instance});
ASSERT_NE(entt::meta_any{fat_type{}}, any);
}
TEST_F(Meta, MetaAnyNoSBOAsAliasConstruction) {
int value = 3;
fat_type instance{&value};
entt::meta_any any{std::ref(instance)};
ASSERT_TRUE(any);
ASSERT_FALSE(any.try_cast<std::size_t>());
ASSERT_EQ(any.cast<fat_type>(), instance);
ASSERT_NE(any.data(), nullptr);
ASSERT_EQ(any, (entt::meta_any{std::ref(instance)}));
ASSERT_EQ(any, entt::meta_any{instance});
ASSERT_NE(entt::meta_any{fat_type{}}, any);
}
TEST_F(Meta, MetaAnyNoSBOCopyConstruction) {
int value = 42;
fat_type instance{&value};
entt::meta_any any{instance};
entt::meta_any other{any};
ASSERT_TRUE(any);
ASSERT_TRUE(other);
ASSERT_FALSE(other.try_cast<std::size_t>());
ASSERT_EQ(other.cast<fat_type>(), instance);
ASSERT_EQ(other, entt::meta_any{instance});
ASSERT_NE(other, fat_type{});
}
TEST_F(Meta, MetaAnyNoSBOCopyAssignment) {
int value = 42;
fat_type instance{&value};
entt::meta_any any{instance};
entt::meta_any other{3};
other = any;
ASSERT_TRUE(any);
ASSERT_TRUE(other);
ASSERT_FALSE(other.try_cast<std::size_t>());
ASSERT_EQ(other.cast<fat_type>(), instance);
ASSERT_EQ(other, entt::meta_any{instance});
ASSERT_NE(other, fat_type{});
}
TEST_F(Meta, MetaAnyNoSBOMoveConstruction) {
int value = 42;
fat_type instance{&value};
entt::meta_any any{instance};
entt::meta_any other{std::move(any)};
ASSERT_FALSE(any);
ASSERT_TRUE(other);
ASSERT_FALSE(other.try_cast<std::size_t>());
ASSERT_EQ(other.cast<fat_type>(), instance);
ASSERT_EQ(other, entt::meta_any{instance});
ASSERT_NE(other, fat_type{});
}
TEST_F(Meta, MetaAnyNoSBOMoveAssignment) {
int value = 42;
fat_type instance{&value};
entt::meta_any any{instance};
entt::meta_any other{3};
other = std::move(any);
ASSERT_FALSE(any);
ASSERT_TRUE(other);
ASSERT_FALSE(other.try_cast<std::size_t>());
ASSERT_EQ(other.cast<fat_type>(), instance);
ASSERT_EQ(other, entt::meta_any{instance});
ASSERT_NE(other, fat_type{});
}
TEST_F(Meta, MetaAnyNoSBODirectAssignment) {
int value = 42;
entt::meta_any any{};
any = fat_type{&value};
ASSERT_FALSE(any.try_cast<std::size_t>());
ASSERT_EQ(any.cast<fat_type>(), fat_type{&value});
ASSERT_EQ(any, entt::meta_any{fat_type{&value}});
ASSERT_NE(fat_type{}, any);
}
TEST_F(Meta, MetaAnyVoidInPlaceTypeConstruction) {
entt::meta_any any{std::in_place_type<void>};
ASSERT_TRUE(any);
ASSERT_FALSE(any.try_cast<char>());
ASSERT_EQ(any.data(), nullptr);
ASSERT_EQ(any.type(), entt::resolve<void>());
ASSERT_EQ(any, entt::meta_any{std::in_place_type<void>});
ASSERT_NE(entt::meta_any{3}, any);
}
TEST_F(Meta, MetaAnyVoidCopyConstruction) {
entt::meta_any any{std::in_place_type<void>};
entt::meta_any other{any};
ASSERT_TRUE(any);
ASSERT_TRUE(other);
ASSERT_EQ(any.type(), entt::resolve<void>());
ASSERT_EQ(other, entt::meta_any{std::in_place_type<void>});
}
TEST_F(Meta, MetaAnyVoidCopyAssignment) {
entt::meta_any any{std::in_place_type<void>};
entt::meta_any other{std::in_place_type<void>};
other = any;
ASSERT_TRUE(any);
ASSERT_TRUE(other);
ASSERT_EQ(any.type(), entt::resolve<void>());
ASSERT_EQ(other, entt::meta_any{std::in_place_type<void>});
}
TEST_F(Meta, MetaAnyVoidMoveConstruction) {
entt::meta_any any{std::in_place_type<void>};
entt::meta_any other{std::move(any)};
ASSERT_FALSE(any);
ASSERT_TRUE(other);
ASSERT_EQ(other.type(), entt::resolve<void>());
ASSERT_EQ(other, entt::meta_any{std::in_place_type<void>});
}
TEST_F(Meta, MetaAnyVoidMoveAssignment) {
entt::meta_any any{std::in_place_type<void>};
entt::meta_any other{std::in_place_type<void>};
other = std::move(any);
ASSERT_FALSE(any);
ASSERT_TRUE(other);
ASSERT_EQ(other.type(), entt::resolve<void>());
ASSERT_EQ(other, entt::meta_any{std::in_place_type<void>});
}
TEST_F(Meta, MetaAnySBOMoveInvalidate) {
entt::meta_any any{42};
entt::meta_any other{std::move(any)};
entt::meta_any valid = std::move(other);
ASSERT_FALSE(any);
ASSERT_FALSE(other);
ASSERT_TRUE(valid);
}
TEST_F(Meta, MetaAnyNoSBOMoveInvalidate) {
int value = 42;
fat_type instance{&value};
entt::meta_any any{instance};
entt::meta_any other{std::move(any)};
entt::meta_any valid = std::move(other);
ASSERT_FALSE(any);
ASSERT_FALSE(other);
ASSERT_TRUE(valid);
}
TEST_F(Meta, MetaAnyVoidMoveInvalidate) {
entt::meta_any any{std::in_place_type<void>};
entt::meta_any other{std::move(any)};
entt::meta_any valid = std::move(other);
ASSERT_FALSE(any);
ASSERT_FALSE(other);
ASSERT_TRUE(valid);
}
TEST_F(Meta, MetaAnySBODestruction) {
ASSERT_EQ(empty_type::counter, 0);
{ entt::meta_any any{empty_type{}}; }
ASSERT_EQ(empty_type::counter, 1);
}
TEST_F(Meta, MetaAnyNoSBODestruction) {
ASSERT_EQ(fat_type::counter, 0);
{ entt::meta_any any{fat_type{}}; }
ASSERT_EQ(fat_type::counter, 1);
}
TEST_F(Meta, MetaAnyVoidDestruction) {
// just let asan tell us if everything is ok here
[[maybe_unused]] entt::meta_any any{std::in_place_type<void>};
}
TEST_F(Meta, MetaAnyEmplace) {
entt::meta_any any{};
any.emplace<int>(42);
ASSERT_TRUE(any);
ASSERT_FALSE(any.try_cast<std::size_t>());
ASSERT_EQ(any.cast<int>(), 42);
ASSERT_NE(any.data(), nullptr);
ASSERT_EQ(any, (entt::meta_any{std::in_place_type<int>, 42}));
ASSERT_EQ(any, entt::meta_any{42});
ASSERT_NE(entt::meta_any{3}, any);
}
TEST_F(Meta, MetaAnyEmplaceVoid) {
entt::meta_any any{};
any.emplace<void>();
ASSERT_TRUE(any);
ASSERT_EQ(any.data(), nullptr);
ASSERT_EQ(any.type(), entt::resolve<void>());
ASSERT_EQ(any, (entt::meta_any{std::in_place_type<void>}));
}
TEST_F(Meta, MetaAnySBOSwap) {
entt::meta_any lhs{'c'};
entt::meta_any rhs{42};
std::swap(lhs, rhs);
ASSERT_FALSE(lhs.try_cast<char>());
ASSERT_EQ(lhs.cast<int>(), 42);
ASSERT_FALSE(rhs.try_cast<int>());
ASSERT_EQ(rhs.cast<char>(), 'c');
}
TEST_F(Meta, MetaAnyNoSBOSwap) {
int i, j;
entt::meta_any lhs{fat_type{&i}};
entt::meta_any rhs{fat_type{&j}};
std::swap(lhs, rhs);
ASSERT_EQ(lhs.cast<fat_type>().foo, &j);
ASSERT_EQ(rhs.cast<fat_type>().bar, &i);
}
TEST_F(Meta, MetaAnyVoidSwap) {
entt::meta_any lhs{std::in_place_type<void>};
entt::meta_any rhs{std::in_place_type<void>};
const auto *pre = lhs.data();
std::swap(lhs, rhs);
ASSERT_EQ(pre, lhs.data());
}
TEST_F(Meta, MetaAnySBOWithNoSBOSwap) {
int value = 42;
entt::meta_any lhs{fat_type{&value}};
entt::meta_any rhs{'c'};
std::swap(lhs, rhs);
ASSERT_FALSE(lhs.try_cast<fat_type>());
ASSERT_EQ(lhs.cast<char>(), 'c');
ASSERT_FALSE(rhs.try_cast<char>());
ASSERT_EQ(rhs.cast<fat_type>().foo, &value);
ASSERT_EQ(rhs.cast<fat_type>().bar, &value);
}
TEST_F(Meta, MetaAnySBOWithEmptySwap) {
entt::meta_any lhs{'c'};
entt::meta_any rhs{};
std::swap(lhs, rhs);
ASSERT_FALSE(lhs);
ASSERT_EQ(rhs.cast<char>(), 'c');
std::swap(lhs, rhs);
ASSERT_FALSE(rhs);
ASSERT_EQ(lhs.cast<char>(), 'c');
}
TEST_F(Meta, MetaAnySBOWithVoidSwap) {
entt::meta_any lhs{'c'};
entt::meta_any rhs{std::in_place_type<void>};
std::swap(lhs, rhs);
ASSERT_EQ(lhs.type(), entt::resolve<void>());
ASSERT_EQ(rhs.cast<char>(), 'c');
}
TEST_F(Meta, MetaAnyNoSBOWithEmptySwap) {
int i;
entt::meta_any lhs{fat_type{&i}};
entt::meta_any rhs{};
std::swap(lhs, rhs);
ASSERT_EQ(rhs.cast<fat_type>().bar, &i);
std::swap(lhs, rhs);
ASSERT_EQ(lhs.cast<fat_type>().bar, &i);
}
TEST_F(Meta, MetaAnyNoSBOWithVoidSwap) {
int i;
entt::meta_any lhs{fat_type{&i}};
entt::meta_any rhs{std::in_place_type<void>};
std::swap(lhs, rhs);
ASSERT_EQ(rhs.cast<fat_type>().bar, &i);
std::swap(lhs, rhs);
ASSERT_EQ(lhs.cast<fat_type>().bar, &i);
}
TEST_F(Meta, MetaAnyComparable) {
entt::meta_any any{'c'};
ASSERT_EQ(any, any);
ASSERT_EQ(any, entt::meta_any{'c'});
ASSERT_NE(entt::meta_any{'a'}, any);
ASSERT_NE(any, entt::meta_any{});
ASSERT_TRUE(any == any);
ASSERT_TRUE(any == entt::meta_any{'c'});
ASSERT_FALSE(entt::meta_any{'a'} == any);
ASSERT_TRUE(any != entt::meta_any{'a'});
ASSERT_TRUE(entt::meta_any{} != any);
}
TEST_F(Meta, MetaAnyNotComparable) {
entt::meta_any any{not_comparable_type{}};
ASSERT_EQ(any, any);
ASSERT_NE(any, entt::meta_any{not_comparable_type{}});
ASSERT_NE(entt::meta_any{}, any);
ASSERT_TRUE(any == any);
ASSERT_FALSE(any == entt::meta_any{not_comparable_type{}});
ASSERT_TRUE(entt::meta_any{} != any);
}
TEST_F(Meta, MetaAnyCompareVoid) {
entt::meta_any any{std::in_place_type<void>};
ASSERT_EQ(any, any);
ASSERT_EQ(any, entt::meta_any{std::in_place_type<void>});
ASSERT_NE(entt::meta_any{'a'}, any);
ASSERT_NE(any, entt::meta_any{});
ASSERT_TRUE(any == any);
ASSERT_TRUE(any == entt::meta_any{std::in_place_type<void>});
ASSERT_FALSE(entt::meta_any{'a'} == any);
ASSERT_TRUE(any != entt::meta_any{'a'});
ASSERT_TRUE(entt::meta_any{} != any);
}
TEST_F(Meta, MetaAnyTryCast) {
entt::meta_any any{fat_type{}};
ASSERT_TRUE(any);
ASSERT_EQ(any.type(), entt::resolve<fat_type>());
ASSERT_EQ(any.try_cast<void>(), nullptr);
ASSERT_NE(any.try_cast<empty_type>(), nullptr);
ASSERT_EQ(any.try_cast<fat_type>(), any.data());
ASSERT_EQ(std::as_const(any).try_cast<empty_type>(), any.try_cast<empty_type>());
ASSERT_EQ(std::as_const(any).try_cast<fat_type>(), any.data());
}
TEST_F(Meta, MetaAnyCast) {
entt::meta_any any{fat_type{}};
ASSERT_TRUE(any);
ASSERT_EQ(any.type(), entt::resolve<fat_type>());
ASSERT_EQ(any.try_cast<std::size_t>(), nullptr);
ASSERT_NE(any.try_cast<empty_type>(), nullptr);
ASSERT_EQ(any.try_cast<fat_type>(), any.data());
ASSERT_EQ(std::as_const(any).try_cast<empty_type>(), any.try_cast<empty_type>());
ASSERT_EQ(std::as_const(any).try_cast<fat_type>(), any.data());
}
TEST_F(Meta, MetaAnyConvert) {
entt::meta_any any{42.};
ASSERT_TRUE(any);
ASSERT_EQ(any.type(), entt::resolve<double>());
ASSERT_TRUE(any.convert<double>());
ASSERT_FALSE(any.convert<char>());
ASSERT_EQ(any.type(), entt::resolve<double>());
ASSERT_EQ(any.cast<double>(), 42.);
ASSERT_TRUE(any.convert<int>());
ASSERT_EQ(any.type(), entt::resolve<int>());
ASSERT_EQ(any.cast<int>(), 42);
}
TEST_F(Meta, MetaAnyConstConvert) {
const entt::meta_any any{42.};
ASSERT_TRUE(any);
ASSERT_EQ(any.type(), entt::resolve<double>());
ASSERT_TRUE(any.convert<double>());
ASSERT_FALSE(any.convert<char>());
ASSERT_EQ(any.type(), entt::resolve<double>());
ASSERT_EQ(any.cast<double>(), 42.);
auto other = any.convert<int>();
ASSERT_EQ(any.type(), entt::resolve<double>());
ASSERT_EQ(any.cast<double>(), 42.);
ASSERT_EQ(other.type(), entt::resolve<int>());
ASSERT_EQ(other.cast<int>(), 42);
}
TEST_F(Meta, MetaAnyUnmanageableType) {
unmanageable_type instance;
entt::meta_any any{std::ref(instance)};
entt::meta_any other = any;
std::swap(any, other);
ASSERT_TRUE(any);
ASSERT_TRUE(other);
ASSERT_EQ(any.type(), entt::resolve<unmanageable_type>());
ASSERT_NE(any.data(), nullptr);
ASSERT_EQ(any.try_cast<int>(), nullptr);
ASSERT_NE(any.try_cast<unmanageable_type>(), nullptr);
ASSERT_TRUE(any.convert<unmanageable_type>());
ASSERT_FALSE(any.convert<int>());
ASSERT_TRUE(std::as_const(any).convert<unmanageable_type>());
ASSERT_FALSE(std::as_const(any).convert<int>());
}