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improve customize

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Daniil Goncharov 2020-09-07 12:55:59 +03:00 • committed by GitHub
parent 000551a655
commit 690486e7f2
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5 changed files with 107 additions and 49 deletions
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46
test/test.cpp
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@ -54,7 +54,7 @@ enum number : unsigned long {
#endif
};
namespace magic_enum {
namespace magic_enum::customize {
template <>
struct enum_range<number> {
static constexpr int min = 100;
@ -62,13 +62,23 @@ struct enum_range<number> {
};
} // namespace magic_enum
template <>
constexpr std::string_view magic_enum::customize::enum_name<Color>(Color value) noexcept {
switch (value) {
case Color::RED:
return "red";
default:
return {};
}
}
using namespace magic_enum;
static_assert(is_magic_enum_supported, "magic_enum: Unsupported compiler (https://github.com/Neargye/magic_enum#compiler-compatibility).");
TEST_CASE("enum_cast") {
SECTION("string") {
constexpr auto cr = enum_cast<Color>("RED");
constexpr auto cr = enum_cast<Color>("red");
REQUIRE(cr.value() == Color::RED);
REQUIRE(enum_cast<Color&>("GREEN").value() == Color::GREEN);
REQUIRE(enum_cast<Color>("blue", [](char lhs, char rhs) { return std::tolower(lhs) == std::tolower(rhs); }).value() == Color::BLUE);
@ -257,7 +267,7 @@ TEST_CASE("enum_contains") {
}
SECTION("string") {
constexpr auto cr = "RED";
constexpr auto cr = "red";
REQUIRE(enum_contains<Color>(cr));
REQUIRE(enum_contains<Color&>("GREEN"));
REQUIRE(enum_contains<Color>("blue", [](char lhs, char rhs) { return std::tolower(lhs) == std::tolower(rhs); }));
@ -345,7 +355,7 @@ TEST_CASE("enum_name") {
constexpr auto cr_name = enum_name(cr);
Color cm[3] = {Color::RED, Color::GREEN, Color::BLUE};
Color cb = Color::BLUE;
REQUIRE(cr_name == "RED");
REQUIRE(cr_name == "red");
REQUIRE(enum_name<Color&>(cb) == "BLUE");
REQUIRE(enum_name(cm[1]) == "GREEN");
REQUIRE(enum_name(static_cast<Color>(0)).empty());
@ -380,7 +390,7 @@ TEST_CASE("enum_name") {
constexpr Color cr = Color::RED;
constexpr auto cr_name = enum_name<cr>();
constexpr Color cm[3] = {Color::RED, Color::GREEN, Color::BLUE};
REQUIRE(cr_name == "RED");
REQUIRE(cr_name == "red");
REQUIRE(enum_name<Color::BLUE>() == "BLUE");
REQUIRE(enum_name<cm[1]>() == "GREEN");
@ -411,7 +421,7 @@ TEST_CASE("enum_names") {
REQUIRE(std::is_same_v<decltype(magic_enum::enum_names<Color>()), const std::array<std::string_view, 3>&>);
constexpr auto& s1 = enum_names<Color&>();
REQUIRE(s1 == std::array<std::string_view, 3>{{"RED", "GREEN", "BLUE"}});
REQUIRE(s1 == std::array<std::string_view, 3>{{"red", "GREEN", "BLUE"}});
constexpr auto& s2 = enum_names<Numbers>();
REQUIRE(s2 == std::array<std::string_view, 3>{{"one", "two", "three"}});
@ -427,7 +437,7 @@ TEST_CASE("enum_entries") {
REQUIRE(std::is_same_v<decltype(magic_enum::enum_entries<Color>()), const std::array<std::pair<Color, std::string_view>, 3>&>);
constexpr auto& s1 = enum_entries<Color&>();
REQUIRE(s1 == std::array<std::pair<Color, std::string_view>, 3>{{{Color::RED, "RED"}, {Color::GREEN, "GREEN"}, {Color::BLUE, "BLUE"}}});
REQUIRE(s1 == std::array<std::pair<Color, std::string_view>, 3>{{{Color::RED, "red"}, {Color::GREEN, "GREEN"}, {Color::BLUE, "BLUE"}}});
constexpr auto& s2 = enum_entries<Numbers>();
REQUIRE(s2 == std::array<std::pair<Numbers, std::string_view>, 3>{{{Numbers::one, "one"}, {Numbers::two, "two"}, {Numbers::three, "three"}}});
@ -447,7 +457,7 @@ TEST_CASE("ostream_operators") {
REQUIRE(ss.str() == name);
};
test_ostream(std::make_optional(Color::RED), "RED");
test_ostream(std::make_optional(Color::RED), "red");
test_ostream(Color::GREEN, "GREEN");
test_ostream(Color::BLUE, "BLUE");
test_ostream(static_cast<Color>(0), "0");
@ -619,45 +629,45 @@ TEST_CASE("extrema") {
REQUIRE_FALSE(magic_enum::enum_contains<BadColor>(BadColor::NONE));
SECTION("min") {
REQUIRE(magic_enum::enum_range<BadColor>::min == MAGIC_ENUM_RANGE_MIN);
REQUIRE(magic_enum::customize::enum_range<BadColor>::min == MAGIC_ENUM_RANGE_MIN);
REQUIRE(magic_enum::detail::reflected_min_v<BadColor> == 0);
REQUIRE(magic_enum::detail::min_v<BadColor> == 0);
REQUIRE(magic_enum::enum_range<Color>::min == MAGIC_ENUM_RANGE_MIN);
REQUIRE(magic_enum::customize::enum_range<Color>::min == MAGIC_ENUM_RANGE_MIN);
REQUIRE(magic_enum::detail::reflected_min_v<Color> == MAGIC_ENUM_RANGE_MIN);
REQUIRE(magic_enum::detail::min_v<Color> == -12);
REQUIRE(magic_enum::enum_range<Numbers>::min == MAGIC_ENUM_RANGE_MIN);
REQUIRE(magic_enum::customize::enum_range<Numbers>::min == MAGIC_ENUM_RANGE_MIN);
REQUIRE(magic_enum::detail::reflected_min_v<Numbers> == MAGIC_ENUM_RANGE_MIN);
REQUIRE(magic_enum::detail::min_v<Numbers> == 1);
REQUIRE(magic_enum::enum_range<Directions>::min == MAGIC_ENUM_RANGE_MIN);
REQUIRE(magic_enum::customize::enum_range<Directions>::min == MAGIC_ENUM_RANGE_MIN);
REQUIRE(magic_enum::detail::reflected_min_v<Directions> == MAGIC_ENUM_RANGE_MIN);
REQUIRE(magic_enum::detail::min_v<Directions> == -120);
REQUIRE(magic_enum::enum_range<number>::min == 100);
REQUIRE(magic_enum::customize::enum_range<number>::min == 100);
REQUIRE(magic_enum::detail::reflected_min_v<number> == 100);
REQUIRE(magic_enum::detail::min_v<number> == 100);
}
SECTION("max") {
REQUIRE(magic_enum::enum_range<BadColor>::max == MAGIC_ENUM_RANGE_MAX);
REQUIRE(magic_enum::customize::enum_range<BadColor>::max == MAGIC_ENUM_RANGE_MAX);
REQUIRE(magic_enum::detail::reflected_max_v<BadColor> == MAGIC_ENUM_RANGE_MAX);
REQUIRE(magic_enum::detail::max_v<BadColor> == 2);
REQUIRE(magic_enum::enum_range<Color>::max == MAGIC_ENUM_RANGE_MAX);
REQUIRE(magic_enum::customize::enum_range<Color>::max == MAGIC_ENUM_RANGE_MAX);
REQUIRE(magic_enum::detail::reflected_max_v<Color> == MAGIC_ENUM_RANGE_MAX);
REQUIRE(magic_enum::detail::max_v<Color> == 15);
REQUIRE(magic_enum::enum_range<Numbers>::max == MAGIC_ENUM_RANGE_MAX);
REQUIRE(magic_enum::customize::enum_range<Numbers>::max == MAGIC_ENUM_RANGE_MAX);
REQUIRE(magic_enum::detail::reflected_max_v<Numbers> == MAGIC_ENUM_RANGE_MAX);
REQUIRE(magic_enum::detail::max_v<Numbers> == 3);
REQUIRE(magic_enum::enum_range<Directions>::max == MAGIC_ENUM_RANGE_MAX);
REQUIRE(magic_enum::customize::enum_range<Directions>::max == MAGIC_ENUM_RANGE_MAX);
REQUIRE(magic_enum::detail::reflected_max_v<Directions> == MAGIC_ENUM_RANGE_MAX);
REQUIRE(magic_enum::detail::max_v<Directions> == 120);
REQUIRE(magic_enum::enum_range<number>::max == 300);
REQUIRE(magic_enum::customize::enum_range<number>::max == 300);
REQUIRE(magic_enum::detail::reflected_max_v<number> == 300);
REQUIRE(magic_enum::detail::max_v<number> == 300);
}