BlackMATov/meta.hpp
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fix all uvalue traits

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ref: https://github.com/BlackMATov/meta.hpp/issues/100
This commit is contained in:
BlackMATov
2024-09-05 08:49:30 +07:00
parent 774d0c04c2
commit c72e4047c0
8 changed files with 197 additions and 49 deletions
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51
develop/untests/meta_utilities/value_tests.cpp
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@@ -115,6 +115,19 @@ namespace
struct deref_custom_class {
int operator*() const { return 42; }
};
struct custom_class_without_comparison {};
struct custom_class_with_fake_comparison {
std::vector<custom_class_without_comparison> vs;
bool operator==(const custom_class_with_fake_comparison&) const = default;
};
struct custom_class_with_comparison {
std::vector<int> vs;
bool operator<(const custom_class_with_comparison& r) const { return vs < r.vs; }
bool operator==(const custom_class_with_comparison& r) const { return vs == r.vs; }
};
}
META_HPP_DECLARE_COPY_TRAITS_FOR(ivec2)
@@ -124,6 +137,11 @@ META_HPP_DECLARE_DEREF_TRAITS_FOR(deref_custom_class)
META_HPP_DECLARE_INDEX_TRAITS_FOR(ivec2)
META_HPP_DECLARE_EQUALS_TRAITS_FOR(ivec2)
META_HPP_DECLARE_LESS_TRAITS_FOR(custom_class_with_comparison)
META_HPP_DECLARE_EQUALS_TRAITS_FOR(custom_class_with_comparison)
TEST_CASE("meta/meta_utilities/value/_") {
namespace meta = meta_hpp;
@@ -521,12 +539,23 @@ TEST_CASE("meta/meta_utilities/value") {
CHECK_FALSE(meta::uvalue{std::vector<std::unique_ptr<int>>{}}.has_copy_op());
CHECK(meta::uvalue{std::shared_ptr<int>{}}.has_copy_op());
{
using ref_t = std::reference_wrapper<const std::unique_ptr<int>>;
using ref_t = std::reference_wrapper<std::unique_ptr<int>>;
using cref_t = std::reference_wrapper<const std::unique_ptr<int>>;
std::unique_ptr u = std::make_unique<int>(42);
CHECK(meta::uvalue{ref_t{u}}.has_copy_op());
meta::uvalue v = meta::uvalue{ref_t{u}}.copy();
CHECK(v.get_type() == meta::resolve_type<ref_t>());
CHECK(v.as<ref_t>().get().get() == u.get());
CHECK(meta::uvalue{cref_t{u}}.has_copy_op());
meta::uvalue v1 = meta::uvalue{ref_t{u}}.copy();
meta::uvalue v2 = meta::uvalue{cref_t{u}}.copy();
CHECK(v1.get_type() == meta::resolve_type<ref_t>());
CHECK(v1.as<ref_t>().get().get() == u.get());
CHECK(v2.get_type() == meta::resolve_type<cref_t>());
CHECK(v2.as<cref_t>().get().get() == u.get());
}
{
ivec2 u = ivec2{42, 21};
CHECK(meta::uvalue{std::ref(u)}.has_copy_op());
CHECK(meta::uvalue{std::cref(u)}.has_copy_op());
}
CHECK(meta::uvalue{std::make_tuple(42, std::make_shared<int>(42))}.has_copy_op());
CHECK_FALSE(meta::uvalue{std::make_tuple(42, std::make_unique<int>(42))}.has_copy_op());
@@ -669,6 +698,10 @@ TEST_CASE("meta/meta_utilities/value") {
CHECK(u.get_type() == meta::resolve_type<int>());
CHECK(u.as<int>() == 42);
}
{
CHECK(meta::uvalue{std::unique_ptr<ivec2>{}}.has_deref_op());
CHECK(meta::uvalue{std::unique_ptr<const ivec2>{}}.has_deref_op());
}
}
SUBCASE("less/equal") {
@@ -858,6 +891,16 @@ TEST_CASE("meta/meta_utilities/value") {
CHECK(meta::uvalue{std::cref(v2)}.has_equals_op());
}
}
{
meta::uvalue v{custom_class_with_comparison{}};
CHECK(v.has_less_op());
CHECK(v.has_equals_op());
}
{
meta::uvalue v{custom_class_with_fake_comparison{}};
CHECK_FALSE(v.has_less_op());
CHECK_FALSE(v.has_equals_op());
}
}
}