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inst cast to base

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BlackMATov
2021-11-27 01:01:54 +07:00
parent 8eb15af7be
commit 0fe5278a03
7 changed files with 538 additions and 96 deletions
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104
untests/meta_utilities/inst_tests.cpp
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@@ -31,42 +31,110 @@ namespace
ivec2& operator=(ivec2&&) = delete;
ivec2& operator=(const ivec2&) = delete;
};
struct derived_ivec2 : ivec2 {
[[maybe_unused]] derived_ivec2() = default;
[[maybe_unused]] explicit derived_ivec2(int v): ivec2{v, v} {}
[[maybe_unused]] derived_ivec2(int x, int y): ivec2{x, y} {}
};
}
TEST_CASE("features/meta_utilities/inst") {
namespace meta = meta_hpp;
SUBCASE("ref") {
ivec2 v{1,2};
ivec2& vr = v;
meta::detail::inst a{vr};
{
derived_ivec2 v{1,2};
derived_ivec2& vr = v;
meta::detail::inst a{vr};
CHECK(a.get_raw_type() == meta::resolve_type<ivec2>());
CHECK(a.get_ref_type() == meta::detail::inst::ref_types::ref);
CHECK(a.get_raw_type() == meta::resolve_type<derived_ivec2>());
CHECK(a.get_ref_type() == meta::detail::inst::ref_types::ref);
}
{
meta::value v{derived_ivec2{1,2}};
meta::value& vr = v;
meta::detail::inst a{vr};
CHECK(a.get_raw_type() == meta::resolve_type<derived_ivec2>());
CHECK(a.get_ref_type() == meta::detail::inst::ref_types::ref);
CHECK(a.can_cast_to<derived_ivec2>());
CHECK(a.can_cast_to<derived_ivec2&>());
CHECK(a.can_cast_to<const derived_ivec2&>());
CHECK_FALSE(a.can_cast_to<derived_ivec2&&>());
CHECK_FALSE(a.can_cast_to<const derived_ivec2&&>());
}
}
SUBCASE("cref") {
const ivec2 v{1,2};
const ivec2& vr = v;
meta::detail::inst a{vr};
{
const derived_ivec2 v{1,2};
const derived_ivec2& vr = v;
meta::detail::inst a{vr};
CHECK(a.get_raw_type() == meta::resolve_type<ivec2>());
CHECK(a.get_ref_type() == meta::detail::inst::ref_types::cref);
CHECK(a.get_raw_type() == meta::resolve_type<derived_ivec2>());
CHECK(a.get_ref_type() == meta::detail::inst::ref_types::cref);
}
{
const meta::value v{derived_ivec2{1,2}};
const meta::value& vr = v;
meta::detail::inst a{vr};
CHECK(a.get_raw_type() == meta::resolve_type<derived_ivec2>());
CHECK(a.get_ref_type() == meta::detail::inst::ref_types::cref);
CHECK_FALSE(a.can_cast_to<derived_ivec2>());
CHECK_FALSE(a.can_cast_to<derived_ivec2&>());
CHECK(a.can_cast_to<const derived_ivec2&>());
CHECK_FALSE(a.can_cast_to<derived_ivec2&&>());
CHECK_FALSE(a.can_cast_to<const derived_ivec2&&>());
}
}
SUBCASE("rref") {
ivec2 v{1,2};
meta::detail::inst a{std::move(v)};
{
derived_ivec2 v{1,2};
meta::detail::inst a{std::move(v)};
CHECK(a.get_raw_type() == meta::resolve_type<ivec2>());
CHECK(a.get_ref_type() == meta::detail::inst::ref_types::rref);
CHECK(a.get_raw_type() == meta::resolve_type<derived_ivec2>());
CHECK(a.get_ref_type() == meta::detail::inst::ref_types::rref);
}
{
meta::value v{derived_ivec2{1,2}};
meta::detail::inst a{std::move(v)};
CHECK(a.get_raw_type() == meta::resolve_type<derived_ivec2>());
CHECK(a.get_ref_type() == meta::detail::inst::ref_types::rref);
CHECK(a.can_cast_to<derived_ivec2>());
CHECK_FALSE(a.can_cast_to<derived_ivec2&>());
CHECK_FALSE(a.can_cast_to<const derived_ivec2&>());
CHECK(a.can_cast_to<derived_ivec2&&>());
CHECK(a.can_cast_to<const derived_ivec2&&>());
}
}
SUBCASE("crref") {
const ivec2 v{1,2};
meta::detail::inst a{std::move(v)};
{
const derived_ivec2 v{1,2};
meta::detail::inst a{std::move(v)};
CHECK(a.get_raw_type() == meta::resolve_type<ivec2>());
CHECK(a.get_ref_type() == meta::detail::inst::ref_types::crref);
CHECK(a.get_raw_type() == meta::resolve_type<derived_ivec2>());
CHECK(a.get_ref_type() == meta::detail::inst::ref_types::crref);
}
{
const meta::value v{derived_ivec2{1,2}};
meta::detail::inst a{std::move(v)};
CHECK(a.get_raw_type() == meta::resolve_type<derived_ivec2>());
CHECK(a.get_ref_type() == meta::detail::inst::ref_types::crref);
CHECK_FALSE(a.can_cast_to<derived_ivec2>());
CHECK_FALSE(a.can_cast_to<derived_ivec2&>());
CHECK_FALSE(a.can_cast_to<const derived_ivec2&>());
CHECK_FALSE(a.can_cast_to<derived_ivec2&&>());
CHECK(a.can_cast_to<const derived_ivec2&&>());
}
}
}