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enum.hpp/untests/enum_bitflags_tests.cpp
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2022-01-09 16:14:44 +07:00

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/*******************************************************************************
* This file is part of the "https://github.com/blackmatov/enum.hpp"
* For conditions of distribution and use, see copyright notice in LICENSE.md
* Copyright (C) 2019-2022, by Matvey Cherevko (blackmatov@gmail.com)
******************************************************************************/
#include <enum.hpp/enum_bitflags.hpp>
#include "doctest/doctest.hpp"
#include <cstdint>
#include <type_traits>
namespace
{
enum class access : std::uint8_t {
none = 0,
read = 1 << 0,
write = 1 << 1,
execute = 1 << 2,
read_write = read | write,
all = read_write | execute
};
ENUM_HPP_OPERATORS_DECL(access)
}
TEST_CASE("enum_bitflags") {
namespace bf = enum_hpp::bitflags;
SUBCASE("ctors") {
{
constexpr bf::bitflags<access> f;
STATIC_CHECK(!f);
STATIC_CHECK(f.as_raw() == std::uint8_t{0x0});
STATIC_CHECK(f.as_enum() == access::none);
}
{
constexpr bf::bitflags f = access::read_write;
STATIC_CHECK(!!f);
STATIC_CHECK(f.as_raw() == std::uint8_t{0x3});
STATIC_CHECK(f.as_enum() == access::read_write);
}
{
constexpr bf::bitflags<access> f{std::uint8_t{0x3}};
STATIC_CHECK(!!f);
STATIC_CHECK(f.as_raw() == std::uint8_t{0x3});
STATIC_CHECK(f.as_enum() == access::read_write);
}
{
constexpr bf::bitflags f = access::read | access::write;
constexpr bf::bitflags g = f;
STATIC_CHECK(g.as_raw() == std::uint8_t{0x3});
}
{
constexpr bf::bitflags f = access::read | access::write;
bf::bitflags<access> g;
g = f;
CHECK(g.as_raw() == std::uint8_t{0x3});
}
}
SUBCASE("swap") {
{
bf::bitflags f = access::read | access::write;
bf::bitflags g = access::write | access::execute;
f.swap(g);
CHECK(f == (access::write | access::execute));
CHECK(g == (access::read | access::write));
}
{
bf::bitflags f = access::read | access::write;
bf::bitflags g = access::write | access::execute;
swap(f, g);
CHECK(f == (access::write | access::execute));
CHECK(g == (access::read | access::write));
}
}
SUBCASE("hash") {
std::hash<bf::bitflags<access>> hasher1;
std::hash<bf::bitflags<access>> hasher2;
CHECK(hasher1(access::read) == hasher2(access::read));
CHECK(hasher1(access::read) != hasher2(access::read_write));
}
SUBCASE("enum_operators") {
STATIC_CHECK((~access::read) == bf::bitflags<access>(0xFE));
STATIC_CHECK((access::read | access::write) == bf::bitflags<access>(0x3));
STATIC_CHECK((access::read_write & access::write) == bf::bitflags<access>(0x2));
STATIC_CHECK((access::read_write ^ access::write) == bf::bitflags<access>(0x1));
}
SUBCASE("logic_operators") {
STATIC_CHECK(std::uint8_t{0x1} < bf::bitflags{access::write});
STATIC_CHECK(access::read < bf::bitflags{access::write});
STATIC_CHECK(bf::bitflags{access::read} < std::uint8_t{0x2});
STATIC_CHECK(bf::bitflags{access::read} < access::write);
STATIC_CHECK(bf::bitflags{access::read} < bf::bitflags{access::write});
STATIC_CHECK_FALSE(std::uint8_t{0x2} < bf::bitflags{access::read});
STATIC_CHECK_FALSE(access::write < bf::bitflags{access::read});
STATIC_CHECK_FALSE(bf::bitflags{access::write} < std::uint8_t{0x1});
STATIC_CHECK_FALSE(bf::bitflags{access::write} < access::read);
STATIC_CHECK_FALSE(bf::bitflags{access::write} < bf::bitflags{access::read});
STATIC_CHECK(std::uint8_t{0x1} <= bf::bitflags{access::write});
STATIC_CHECK(access::read <= bf::bitflags{access::write});
STATIC_CHECK(bf::bitflags{access::read} <= std::uint8_t{0x2});
STATIC_CHECK(bf::bitflags{access::read} <= access::write);
STATIC_CHECK(bf::bitflags{access::read} <= bf::bitflags{access::write});
STATIC_CHECK_FALSE(std::uint8_t{0x2} <= bf::bitflags{access::read});
STATIC_CHECK_FALSE(access::write <= bf::bitflags{access::read});
STATIC_CHECK_FALSE(bf::bitflags{access::write} <= std::uint8_t{0x1});
STATIC_CHECK_FALSE(bf::bitflags{access::write} <= access::read);
STATIC_CHECK_FALSE(bf::bitflags{access::write} <= bf::bitflags{access::read});
STATIC_CHECK(std::uint8_t{0x2} <= bf::bitflags{access::write});
STATIC_CHECK(access::write <= bf::bitflags{access::write});
STATIC_CHECK(bf::bitflags{access::write} <= std::uint8_t{0x2});
STATIC_CHECK(bf::bitflags{access::write} <= access::write);
STATIC_CHECK(bf::bitflags{access::write} <= bf::bitflags{access::write});
//
STATIC_CHECK_FALSE(std::uint8_t{0x1} > bf::bitflags{access::write});
STATIC_CHECK_FALSE(access::read > bf::bitflags{access::write});
STATIC_CHECK_FALSE(bf::bitflags{access::read} > std::uint8_t{0x2});
STATIC_CHECK_FALSE(bf::bitflags{access::read} > access::write);
STATIC_CHECK_FALSE(bf::bitflags{access::read} > bf::bitflags{access::write});
STATIC_CHECK(std::uint8_t{0x2} > bf::bitflags{access::read});
STATIC_CHECK(access::write > bf::bitflags{access::read});
STATIC_CHECK(bf::bitflags{access::write} > std::uint8_t{0x1});
STATIC_CHECK(bf::bitflags{access::write} > access::read);
STATIC_CHECK(bf::bitflags{access::write} > bf::bitflags{access::read});
STATIC_CHECK_FALSE(std::uint8_t{0x1} >= bf::bitflags{access::write});
STATIC_CHECK_FALSE(access::read >= bf::bitflags{access::write});
STATIC_CHECK_FALSE(bf::bitflags{access::read} >= std::uint8_t{0x2});
STATIC_CHECK_FALSE(bf::bitflags{access::read} >= access::write);
STATIC_CHECK_FALSE(bf::bitflags{access::read} >= bf::bitflags{access::write});
STATIC_CHECK(std::uint8_t{0x2} >= bf::bitflags{access::read});
STATIC_CHECK(access::write >= bf::bitflags{access::read});
STATIC_CHECK(bf::bitflags{access::write} >= std::uint8_t{0x1});
STATIC_CHECK(bf::bitflags{access::write} >= access::read);
STATIC_CHECK(bf::bitflags{access::write} >= bf::bitflags{access::read});
STATIC_CHECK(std::uint8_t{0x2} >= bf::bitflags{access::write});
STATIC_CHECK(access::write >= bf::bitflags{access::write});
STATIC_CHECK(bf::bitflags{access::write} >= std::uint8_t{0x2});
STATIC_CHECK(bf::bitflags{access::write} >= access::write);
STATIC_CHECK(bf::bitflags{access::write} >= bf::bitflags{access::write});
//
STATIC_CHECK(std::uint8_t{0x1} == bf::bitflags{access::read});
STATIC_CHECK(access::read == bf::bitflags{access::read});
STATIC_CHECK(bf::bitflags{access::read} == std::uint8_t{0x1});
STATIC_CHECK(bf::bitflags{access::read} == access::read);
STATIC_CHECK(bf::bitflags{access::read} == bf::bitflags{access::read});
STATIC_CHECK_FALSE(std::uint8_t{0x1} == bf::bitflags{access::write});
STATIC_CHECK_FALSE(access::read == bf::bitflags{access::write});
STATIC_CHECK_FALSE(bf::bitflags{access::read} == std::uint8_t{0x2});
STATIC_CHECK_FALSE(bf::bitflags{access::read} == access::write);
STATIC_CHECK_FALSE(bf::bitflags{access::read} == bf::bitflags{access::write});
STATIC_CHECK(std::uint8_t{0x1} != bf::bitflags{access::write});
STATIC_CHECK(access::read != bf::bitflags{access::write});
STATIC_CHECK(bf::bitflags{access::read} != std::uint8_t{0x2});
STATIC_CHECK(bf::bitflags{access::read} != access::write);
STATIC_CHECK(bf::bitflags{access::read} != bf::bitflags{access::write});
STATIC_CHECK_FALSE(std::uint8_t{0x1} != bf::bitflags{access::read});
STATIC_CHECK_FALSE(access::read != bf::bitflags{access::read});
STATIC_CHECK_FALSE(bf::bitflags{access::read} != std::uint8_t{0x1});
STATIC_CHECK_FALSE(bf::bitflags{access::read} != access::read);
STATIC_CHECK_FALSE(bf::bitflags{access::read} != bf::bitflags{access::read});
}
SUBCASE("bitflags_operators") {
STATIC_CHECK(std::uint8_t{0xFE} == ~bf::bitflags{access::read});
STATIC_CHECK(~bf::bitflags{access::read} == std::uint8_t{0xFE});
STATIC_CHECK(~bf::bitflags{access::read} == bf::bitflags<access>(0xFE));
STATIC_CHECK((access::write | bf::bitflags{access::read}) == std::uint8_t{0x3});
STATIC_CHECK((bf::bitflags{access::read} | access::write) == std::uint8_t{0x3});
STATIC_CHECK((bf::bitflags{access::read} | bf::bitflags{access::write}) == std::uint8_t{0x3});
STATIC_CHECK((access::write & bf::bitflags{access::read_write}) == std::uint8_t{0x2});
STATIC_CHECK((bf::bitflags{access::read_write} & access::write) == std::uint8_t{0x2});
STATIC_CHECK((bf::bitflags{access::read_write} & bf::bitflags{access::write}) == std::uint8_t{0x2});
STATIC_CHECK((access::write ^ bf::bitflags{access::read_write}) == std::uint8_t{0x1});
STATIC_CHECK((bf::bitflags{access::read_write} ^ access::write) == std::uint8_t{0x1});
STATIC_CHECK((bf::bitflags{access::read_write} ^ bf::bitflags{access::write}) == std::uint8_t{0x1});
{
bf::bitflags f{access::read};
f |= access::write;
CHECK(f == std::uint8_t{0x3});
}
{
bf::bitflags f{access::read};
f |= bf::bitflags{access::write};
CHECK(f == std::uint8_t{0x3});
}
{
bf::bitflags f{access::read_write};
f &= access::write;
CHECK(f == std::uint8_t{0x2});
}
{
bf::bitflags f{access::read_write};
f &= bf::bitflags{access::write};
CHECK(f == std::uint8_t{0x2});
}
{
bf::bitflags f{access::read_write};
f ^= access::write;
CHECK(f == std::uint8_t{0x1});
}
{
bf::bitflags f{access::read_write};
f ^= bf::bitflags{access::write};
CHECK(f == std::uint8_t{0x1});
}
}
SUBCASE("has") {
constexpr bf::bitflags f = access::read_write;
STATIC_CHECK(f.has(access::read));
STATIC_CHECK(f.has(access::read_write));
STATIC_CHECK(f.has(access::read | access::write));
STATIC_CHECK_FALSE(f.has(access::execute));
STATIC_CHECK_FALSE(f.has(access::read | access::execute));
}
SUBCASE("set") {
bf::bitflags<access> f;
CHECK(&f == &f.set(access::read));
CHECK(f.has(access::read));
CHECK(&f == &f.set(access::read | access::write));
CHECK(f.has(access::read | access::write));
CHECK_FALSE(f.has(access::execute));
}
SUBCASE("toggle") {
bf::bitflags f = access::read_write;
CHECK(&f == &f.toggle(access::read));
CHECK_FALSE(f.has(access::read));
CHECK(f.has(access::write));
CHECK_FALSE(f.has(access::execute));
CHECK(&f == &f.toggle(access::read | access::write));
CHECK(f.has(access::read));
CHECK_FALSE(f.has(access::write));
CHECK_FALSE(f.has(access::execute));
CHECK(&f == &f.toggle(access::execute));
CHECK(f.has(access::read));
CHECK_FALSE(f.has(access::write));
CHECK(f.has(access::execute));
}
SUBCASE("clear") {
{
bf::bitflags f = access::all;
CHECK(&f == &f.clear(access::read));
CHECK_FALSE(f.has(access::read));
CHECK(f.has(access::write));
CHECK(f.has(access::execute));
CHECK(&f == &f.clear(access::read | access::execute));
CHECK_FALSE(f.has(access::read));
CHECK(f.has(access::write));
CHECK_FALSE(f.has(access::execute));
}
{
bf::bitflags f = access::all;
CHECK(&f == &f.clear(access::write | access::execute));
CHECK(f.has(access::read));
CHECK_FALSE(f.has(access::write));
CHECK_FALSE(f.has(access::execute));
CHECK(&f == &f.clear(access::read | access::execute));
CHECK_FALSE(f.has(access::read));
CHECK_FALSE(f.has(access::write));
CHECK_FALSE(f.has(access::execute));
}
}
SUBCASE("any") {
STATIC_CHECK_FALSE(bf::any(access::none));
STATIC_CHECK(bf::any(access::read));
STATIC_CHECK(bf::any(access::write));
STATIC_CHECK(bf::any(access::read_write));
}
SUBCASE("none") {
STATIC_CHECK(bf::none(access::none));
STATIC_CHECK_FALSE(bf::none(access::read));
STATIC_CHECK_FALSE(bf::none(access::write));
STATIC_CHECK_FALSE(bf::none(access::read_write));
}
SUBCASE("all_of") {
STATIC_CHECK(bf::all_of(access::none, access::none));
STATIC_CHECK_FALSE(bf::all_of(access::none, access::read));
STATIC_CHECK_FALSE(bf::all_of(access::none, access::write));
STATIC_CHECK_FALSE(bf::all_of(access::none, access::read_write));
STATIC_CHECK(bf::all_of(access::read, access::none));
STATIC_CHECK(bf::all_of(access::read, access::read));
STATIC_CHECK_FALSE(bf::all_of(access::read, access::write));
STATIC_CHECK_FALSE(bf::all_of(access::read, access::read_write));
STATIC_CHECK(bf::all_of(access::write, access::none));
STATIC_CHECK_FALSE(bf::all_of(access::write, access::read));
STATIC_CHECK(bf::all_of(access::write, access::write));
STATIC_CHECK_FALSE(bf::all_of(access::write, access::read_write));
STATIC_CHECK(bf::all_of(access::read_write, access::none));
STATIC_CHECK(bf::all_of(access::read_write, access::read));
STATIC_CHECK(bf::all_of(access::read_write, access::write));
STATIC_CHECK(bf::all_of(access::read_write, access::read_write));
}
SUBCASE("any_of") {
STATIC_CHECK(bf::any_of(access::none, access::none));
STATIC_CHECK_FALSE(bf::any_of(access::none, access::read));
STATIC_CHECK_FALSE(bf::any_of(access::none, access::write));
STATIC_CHECK_FALSE(bf::any_of(access::none, access::read_write));
STATIC_CHECK(bf::any_of(access::read, access::none));
STATIC_CHECK(bf::any_of(access::read, access::read));
STATIC_CHECK_FALSE(bf::any_of(access::read, access::write));
STATIC_CHECK(bf::any_of(access::read, access::read_write));
STATIC_CHECK(bf::any_of(access::write, access::none));
STATIC_CHECK_FALSE(bf::any_of(access::write, access::read));
STATIC_CHECK(bf::any_of(access::write, access::write));
STATIC_CHECK(bf::any_of(access::write, access::read_write));
STATIC_CHECK(bf::any_of(access::read_write, access::none));
STATIC_CHECK(bf::any_of(access::read_write, access::read));
STATIC_CHECK(bf::any_of(access::read_write, access::write));
STATIC_CHECK(bf::any_of(access::read_write, access::read_write));
}
SUBCASE("none_of") {
STATIC_CHECK_FALSE(bf::none_of(access::none, access::none));
STATIC_CHECK(bf::none_of(access::none, access::read));
STATIC_CHECK(bf::none_of(access::none, access::write));
STATIC_CHECK(bf::none_of(access::none, access::read_write));
STATIC_CHECK_FALSE(bf::none_of(access::read, access::none));
STATIC_CHECK_FALSE(bf::none_of(access::read, access::read));
STATIC_CHECK(bf::none_of(access::read, access::write));
STATIC_CHECK_FALSE(bf::none_of(access::read, access::read_write));
STATIC_CHECK_FALSE(bf::none_of(access::write, access::none));
STATIC_CHECK(bf::none_of(access::write, access::read));
STATIC_CHECK_FALSE(bf::none_of(access::write, access::write));
STATIC_CHECK_FALSE(bf::none_of(access::write, access::read_write));
STATIC_CHECK_FALSE(bf::none_of(access::read_write, access::none));
STATIC_CHECK_FALSE(bf::none_of(access::read_write, access::read));
STATIC_CHECK_FALSE(bf::none_of(access::read_write, access::write));
STATIC_CHECK_FALSE(bf::none_of(access::read_write, access::read_write));
}
SUBCASE("any_except") {
STATIC_CHECK_FALSE(bf::any_except(access::none, access::none));
STATIC_CHECK_FALSE(bf::any_except(access::none, access::read));
STATIC_CHECK_FALSE(bf::any_except(access::none, access::write));
STATIC_CHECK_FALSE(bf::any_except(access::none, access::read_write));
STATIC_CHECK(bf::any_except(access::read, access::none));
STATIC_CHECK_FALSE(bf::any_except(access::read, access::read));
STATIC_CHECK(bf::any_except(access::read, access::write));
STATIC_CHECK_FALSE(bf::any_except(access::read, access::read_write));
STATIC_CHECK(bf::any_except(access::write, access::none));
STATIC_CHECK(bf::any_except(access::write, access::read));
STATIC_CHECK_FALSE(bf::any_except(access::write, access::write));
STATIC_CHECK_FALSE(bf::any_except(access::write, access::read_write));
STATIC_CHECK(bf::any_except(access::read_write, access::none));
STATIC_CHECK(bf::any_except(access::read_write, access::read));
STATIC_CHECK(bf::any_except(access::read_write, access::write));
STATIC_CHECK_FALSE(bf::any_except(access::read_write, access::read_write));
}
SUBCASE("none_except") {
STATIC_CHECK(bf::none_except(access::none, access::none));
STATIC_CHECK(bf::none_except(access::none, access::read));
STATIC_CHECK(bf::none_except(access::none, access::write));
STATIC_CHECK(bf::none_except(access::none, access::read_write));
STATIC_CHECK_FALSE(bf::none_except(access::read, access::none));
STATIC_CHECK(bf::none_except(access::read, access::read));
STATIC_CHECK_FALSE(bf::none_except(access::read, access::write));
STATIC_CHECK(bf::none_except(access::read, access::read_write));
STATIC_CHECK_FALSE(bf::none_except(access::write, access::none));
STATIC_CHECK_FALSE(bf::none_except(access::write, access::read));
STATIC_CHECK(bf::none_except(access::write, access::write));
STATIC_CHECK(bf::none_except(access::write, access::read_write));
STATIC_CHECK_FALSE(bf::none_except(access::read_write, access::none));
STATIC_CHECK_FALSE(bf::none_except(access::read_write, access::read));
STATIC_CHECK_FALSE(bf::none_except(access::read_write, access::write));
STATIC_CHECK(bf::none_except(access::read_write, access::read_write));
}
}
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