BlackMATov/meta.hpp
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uvalue simplifying and usage example

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BlackMATov
2022-11-06 08:29:25 +07:00
parent 558e7b1342
commit 178ab50a8b
11 changed files with 470 additions and 623 deletions
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149
untests/meta_utilities/value_tests.cpp
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@@ -105,17 +105,17 @@ TEST_CASE("meta/meta_utilities/value") {
SUBCASE("cast types") {
static_assert(std::is_same_v<
decltype(std::declval<meta::uvalue&>().get_as_ref<ivec2>()),
decltype(std::declval<meta::uvalue&>().get_as<ivec2>()),
ivec2&>);
static_assert(std::is_same_v<
decltype(std::declval<meta::uvalue&&>().get_as_ref<ivec2>()),
ivec2&&>);
decltype(std::declval<meta::uvalue&&>().get_as<ivec2>()),
ivec2&>);
static_assert(std::is_same_v<
decltype(std::declval<const meta::uvalue&>().get_as_ref<ivec2>()),
decltype(std::declval<const meta::uvalue&>().get_as<ivec2>()),
const ivec2&>);
static_assert(std::is_same_v<
decltype(std::declval<const meta::uvalue&&>().get_as_ref<ivec2>()),
const ivec2&&>);
decltype(std::declval<const meta::uvalue&&>().get_as<ivec2>()),
const ivec2&>);
}
SUBCASE("ivec2{}") {
@@ -133,13 +133,13 @@ TEST_CASE("meta/meta_utilities/value") {
CHECK_FALSE(*val);
CHECK_FALSE(val[0]);
CHECK_FALSE(val.can_get_as_ref<ivec2>());
CHECK_FALSE(std::as_const(val).can_get_as_ref<ivec2>());
CHECK_FALSE(val.can_get_as<ivec2>());
CHECK_FALSE(std::as_const(val).can_get_as<ivec2>());
CHECK_THROWS(std::ignore = val.get_as_ref<int>());
CHECK_THROWS(std::ignore = std::as_const(val).get_as_ref<int>());
CHECK_THROWS(std::ignore = std::move(val).get_as_ref<int>());
CHECK_THROWS(std::ignore = std::move(std::as_const(val)).get_as_ref<int>());
CHECK_THROWS(std::ignore = val.get_as<int>());
CHECK_THROWS(std::ignore = std::as_const(val).get_as<int>());
CHECK_THROWS(std::ignore = std::move(val).get_as<int>());
CHECK_THROWS(std::ignore = std::move(std::as_const(val)).get_as<int>());
}
{
@@ -195,20 +195,20 @@ TEST_CASE("meta/meta_utilities/value") {
CHECK(val == ivec2{1,2});
CHECK(val == meta::uvalue{ivec2{1,2}});
CHECK(val.get_as_ref<ivec2>() == ivec2{1,2});
CHECK(std::as_const(val).get_as_ref<ivec2>() == ivec2{1,2});
CHECK(std::move(val).get_as_ref<ivec2>() == ivec2{1,2});
CHECK(std::move(std::as_const(val)).get_as_ref<ivec2>() == ivec2{1,2});
CHECK(val.get_as<ivec2>() == ivec2{1,2});
CHECK(std::as_const(val).get_as<ivec2>() == ivec2{1,2});
CHECK(std::move(val).get_as<ivec2>() == ivec2{1,2});
CHECK(std::move(std::as_const(val)).get_as<ivec2>() == ivec2{1,2});
CHECK_THROWS(std::ignore = val.get_as_ref<ivec3>());
CHECK_THROWS(std::ignore = std::as_const(val).get_as_ref<ivec3>());
CHECK_THROWS(std::ignore = std::move(val).get_as_ref<ivec3>());
CHECK_THROWS(std::ignore = std::move(std::as_const(val)).get_as_ref<ivec3>());
CHECK_THROWS(std::ignore = val.get_as<ivec3>());
CHECK_THROWS(std::ignore = std::as_const(val).get_as<ivec3>());
CHECK_THROWS(std::ignore = std::move(val).get_as<ivec3>());
CHECK_THROWS(std::ignore = std::move(std::as_const(val)).get_as<ivec3>());
CHECK(val.get_as_ref<ivec2>() == ivec2{1,2});
CHECK(std::as_const(val).get_as_ref<ivec2>() == ivec2{1,2});
CHECK_FALSE(val.can_get_as_ref<ivec3>());
CHECK_FALSE(std::as_const(val).can_get_as_ref<ivec3>());
CHECK(val.get_as<ivec2>() == ivec2{1,2});
CHECK(std::as_const(val).get_as<ivec2>() == ivec2{1,2});
CHECK_FALSE(val.can_get_as<ivec3>());
CHECK_FALSE(std::as_const(val).can_get_as<ivec3>());
}
SUBCASE("const ivec2&") {
@@ -229,20 +229,20 @@ TEST_CASE("meta/meta_utilities/value") {
CHECK(val == ivec2{1,2});
CHECK(val == meta::uvalue{ivec2{1,2}});
CHECK(val.get_as_ref<ivec2>() == ivec2{1,2});
CHECK(std::as_const(val).get_as_ref<ivec2>() == ivec2{1,2});
CHECK(std::move(val).get_as_ref<ivec2>() == ivec2{1,2});
CHECK(std::move(std::as_const(val)).get_as_ref<ivec2>() == ivec2{1,2});
CHECK(val.get_as<ivec2>() == ivec2{1,2});
CHECK(std::as_const(val).get_as<ivec2>() == ivec2{1,2});
CHECK(std::move(val).get_as<ivec2>() == ivec2{1,2});
CHECK(std::move(std::as_const(val)).get_as<ivec2>() == ivec2{1,2});
CHECK_THROWS(std::ignore = val.get_as_ref<ivec3>());
CHECK_THROWS(std::ignore = std::as_const(val).get_as_ref<ivec3>());
CHECK_THROWS(std::ignore = std::move(val).get_as_ref<ivec3>());
CHECK_THROWS(std::ignore = std::move(std::as_const(val)).get_as_ref<ivec3>());
CHECK_THROWS(std::ignore = val.get_as<ivec3>());
CHECK_THROWS(std::ignore = std::as_const(val).get_as<ivec3>());
CHECK_THROWS(std::ignore = std::move(val).get_as<ivec3>());
CHECK_THROWS(std::ignore = std::move(std::as_const(val)).get_as<ivec3>());
CHECK(val.get_as_ref<ivec2>() == ivec2{1,2});
CHECK(std::as_const(val).get_as_ref<ivec2>() == ivec2{1,2});
CHECK_FALSE(val.can_get_as_ref<ivec3>());
CHECK_FALSE(std::as_const(val).can_get_as_ref<ivec3>());
CHECK(val.get_as<ivec2>() == ivec2{1,2});
CHECK(std::as_const(val).get_as<ivec2>() == ivec2{1,2});
CHECK_FALSE(val.can_get_as<ivec3>());
CHECK_FALSE(std::as_const(val).can_get_as<ivec3>());
}
SUBCASE("ivec2&&") {
@@ -257,20 +257,20 @@ TEST_CASE("meta/meta_utilities/value") {
CHECK(val == ivec2{1,2});
CHECK(val == meta::uvalue{ivec2{1,2}});
CHECK(val.get_as_ref<ivec2>() == ivec2{1,2});
CHECK(std::as_const(val).get_as_ref<ivec2>() == ivec2{1,2});
CHECK(std::move(val).get_as_ref<ivec2>() == ivec2{1,2});
CHECK(std::move(std::as_const(val)).get_as_ref<ivec2>() == ivec2{1,2});
CHECK(val.get_as<ivec2>() == ivec2{1,2});
CHECK(std::as_const(val).get_as<ivec2>() == ivec2{1,2});
CHECK(std::move(val).get_as<ivec2>() == ivec2{1,2});
CHECK(std::move(std::as_const(val)).get_as<ivec2>() == ivec2{1,2});
CHECK_THROWS(std::ignore = val.get_as_ref<ivec3>());
CHECK_THROWS(std::ignore = std::as_const(val).get_as_ref<ivec3>());
CHECK_THROWS(std::ignore = std::move(val).get_as_ref<ivec3>());
CHECK_THROWS(std::ignore = std::move(std::as_const(val)).get_as_ref<ivec3>());
CHECK_THROWS(std::ignore = val.get_as<ivec3>());
CHECK_THROWS(std::ignore = std::as_const(val).get_as<ivec3>());
CHECK_THROWS(std::ignore = std::move(val).get_as<ivec3>());
CHECK_THROWS(std::ignore = std::move(std::as_const(val)).get_as<ivec3>());
CHECK(val.get_as_ref<ivec2>() == ivec2{1,2});
CHECK(std::as_const(val).get_as_ref<ivec2>() == ivec2{1,2});
CHECK_FALSE(val.can_get_as_ref<ivec3>());
CHECK_FALSE(std::as_const(val).can_get_as_ref<ivec3>());
CHECK(val.get_as<ivec2>() == ivec2{1,2});
CHECK(std::as_const(val).get_as<ivec2>() == ivec2{1,2});
CHECK_FALSE(val.can_get_as<ivec3>());
CHECK_FALSE(std::as_const(val).can_get_as<ivec3>());
}
SUBCASE("const ivec2&&") {
@@ -285,20 +285,20 @@ TEST_CASE("meta/meta_utilities/value") {
CHECK(val == ivec2{1,2});
CHECK(val == meta::uvalue{ivec2{1,2}});
CHECK(val.get_as_ref<ivec2>() == ivec2{1,2});
CHECK(std::as_const(val).get_as_ref<ivec2>() == ivec2{1,2});
CHECK(std::move(val).get_as_ref<ivec2>() == ivec2{1,2});
CHECK(std::move(std::as_const(val)).get_as_ref<ivec2>() == ivec2{1,2});
CHECK(val.get_as<ivec2>() == ivec2{1,2});
CHECK(std::as_const(val).get_as<ivec2>() == ivec2{1,2});
CHECK(std::move(val).get_as<ivec2>() == ivec2{1,2});
CHECK(std::move(std::as_const(val)).get_as<ivec2>() == ivec2{1,2});
CHECK_THROWS(std::ignore = val.get_as_ref<ivec3>());
CHECK_THROWS(std::ignore = std::as_const(val).get_as_ref<ivec3>());
CHECK_THROWS(std::ignore = std::move(val).get_as_ref<ivec3>());
CHECK_THROWS(std::ignore = std::move(std::as_const(val)).get_as_ref<ivec3>());
CHECK_THROWS(std::ignore = val.get_as<ivec3>());
CHECK_THROWS(std::ignore = std::as_const(val).get_as<ivec3>());
CHECK_THROWS(std::ignore = std::move(val).get_as<ivec3>());
CHECK_THROWS(std::ignore = std::move(std::as_const(val)).get_as<ivec3>());
CHECK(val.get_as_ref<ivec2>() == ivec2{1,2});
CHECK(std::as_const(val).get_as_ref<ivec2>() == ivec2{1,2});
CHECK_FALSE(val.can_get_as_ref<ivec3>());
CHECK_FALSE(std::as_const(val).can_get_as_ref<ivec3>());
CHECK(val.get_as<ivec2>() == ivec2{1,2});
CHECK(std::as_const(val).get_as<ivec2>() == ivec2{1,2});
CHECK_FALSE(val.can_get_as<ivec3>());
CHECK_FALSE(std::as_const(val).can_get_as<ivec3>());
}
SUBCASE("value(value&&)") {
@@ -473,7 +473,7 @@ TEST_CASE("meta/meta_utilities/value") {
const int* const pi = &i;
const meta::uvalue v{*meta::uvalue{&pi}};
CHECK(v.get_type() == meta::resolve_type<const int*>() );
CHECK(v.get_as_ref<const int*>() == pi);
CHECK(v.get_as<const int*>() == pi);
}
{
int i{42};
@@ -572,23 +572,44 @@ TEST_CASE("meta/meta_utilities/value/functions") {
namespace meta = meta_hpp;
SUBCASE("add") {
{
meta::uvalue v{&ivec2::add};
CHECK(v.get_type() == meta::resolve_type<ivec2&(ivec2::*)(const ivec2&)>());
CHECK(v.get_as<decltype(&ivec2::add)>() == &ivec2::add);
CHECK((ivec2{1,2}.*(v.get_as<decltype(&ivec2::add)>()))(ivec2{3,4}) == ivec2(4,6));
}
{
const meta::uvalue v{&ivec2::add};
CHECK(v.get_type() == meta::resolve_type<ivec2&(ivec2::*)(const ivec2&)>());
CHECK((ivec2{1,2}.*(v.get_as_ref<decltype(&ivec2::add)>()))(ivec2{3,4}) == ivec2(4,6));
CHECK(v.get_as<decltype(&ivec2::add)>() == &ivec2::add);
CHECK((ivec2{1,2}.*(v.get_as<decltype(&ivec2::add)>()))(ivec2{3,4}) == ivec2(4,6));
}
}
SUBCASE("iadd2") {
{
meta::uvalue v{iadd2};
CHECK(v.get_type() == meta::resolve_type<ivec2(*)(ivec2, ivec2)>());
CHECK(v.get_as<decltype(&iadd2)>() == &iadd2);
CHECK((v.get_as<decltype(&iadd2)>())(ivec2{1,2}, ivec2{3,4}) == ivec2{4,6});
}
{
meta::uvalue v{&iadd2};
CHECK(v.get_type() == meta::resolve_type<ivec2(*)(ivec2, ivec2)>());
CHECK(v.get_as<decltype(&iadd2)>() == &iadd2);
CHECK((v.get_as<decltype(&iadd2)>())(ivec2{1,2}, ivec2{3,4}) == ivec2{4,6});
}
{
const meta::uvalue v{iadd2};
CHECK(v.get_type() == meta::resolve_type<ivec2(*)(ivec2, ivec2)>());
CHECK((v.get_as_ref<decltype(&iadd2)>())(ivec2{1,2}, ivec2{3,4}) == ivec2{4,6});
CHECK(v.get_as<decltype(&iadd2)>() == &iadd2);
CHECK((v.get_as<decltype(&iadd2)>())(ivec2{1,2}, ivec2{3,4}) == ivec2{4,6});
}
{
const meta::uvalue v{&iadd2};
CHECK(v.get_type() == meta::resolve_type<ivec2(*)(ivec2, ivec2)>());
CHECK((v.get_as_ref<decltype(&iadd2)>())(ivec2{1,2}, ivec2{3,4}) == ivec2{4,6});
CHECK(v.get_as<decltype(&iadd2)>() == &iadd2);
CHECK((v.get_as<decltype(&iadd2)>())(ivec2{1,2}, ivec2{3,4}) == ivec2{4,6});
}
}
}