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#include <vector>
#include <cm/optional>
#include <cm/utility>
#include "testCommon.h"
class EventLogger;
class Event
{
public:
enum EventType
{
DEFAULT_CONSTRUCT,
COPY_CONSTRUCT,
MOVE_CONSTRUCT,
VALUE_CONSTRUCT,
DESTRUCT,
COPY_ASSIGN,
MOVE_ASSIGN,
VALUE_ASSIGN,
REFERENCE,
CONST_REFERENCE,
RVALUE_REFERENCE,
CONST_RVALUE_REFERENCE,
SWAP,
COMPARE_EE_EQ,
COMPARE_EE_NE,
COMPARE_EE_LT,
COMPARE_EE_LE,
COMPARE_EE_GT,
COMPARE_EE_GE,
};
EventType Type;
const EventLogger* Logger1;
const EventLogger* Logger2;
int Value;
bool operator==(const Event& other) const;
bool operator!=(const Event& other) const;
};
bool Event::operator==(const Event& other) const
{
return this->Type == other.Type && this->Logger1 == other.Logger1 &&
this->Logger2 == other.Logger2 && this->Value == other.Value;
}
bool Event::operator!=(const Event& other) const
{
return !(*this == other);
}
static std::vector<Event> events;
class EventLogger
{
public:
EventLogger();
EventLogger(const EventLogger& other);
EventLogger(EventLogger&& other);
EventLogger(int value);
~EventLogger();
EventLogger& operator=(const EventLogger& other);
EventLogger& operator=(EventLogger&& other);
EventLogger& operator=(int value);
void Reference() &;
void Reference() const&;
void Reference() &&;
void Reference() const&&;
int Value = 0;
};
class NoMoveAssignEventLogger : public EventLogger
{
public:
using EventLogger::EventLogger;
NoMoveAssignEventLogger(const NoMoveAssignEventLogger&) = default;
NoMoveAssignEventLogger(NoMoveAssignEventLogger&&) = default;
NoMoveAssignEventLogger& operator=(const NoMoveAssignEventLogger&) = default;
NoMoveAssignEventLogger& operator=(NoMoveAssignEventLogger&&) = delete;
};
// Certain builds of GCC generate false -Wmaybe-uninitialized warnings when
// doing a release build with the system version of std::optional. These
// warnings do not manifest when using our own cm::optional implementation.
// Silence these false warnings.
#if defined(__GNUC__) && !defined(__clang__)
# define BEGIN_IGNORE_UNINITIALIZED \
_Pragma("GCC diagnostic push") \
_Pragma("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
# define END_IGNORE_UNINITIALIZED _Pragma("GCC diagnostic pop")
#else
# define BEGIN_IGNORE_UNINITIALIZED
# define END_IGNORE_UNINITIALIZED
#endif
static void swap(EventLogger& e1, EventLogger& e2)
{
BEGIN_IGNORE_UNINITIALIZED
events.push_back({ Event::SWAP, &e1, &e2, e2.Value });
END_IGNORE_UNINITIALIZED
auto tmp = e1.Value;
e1.Value = e2.Value;
e2.Value = tmp;
}
EventLogger::EventLogger()
: Value(0)
{
events.push_back({ Event::DEFAULT_CONSTRUCT, this, nullptr, 0 });
}
EventLogger::EventLogger(const EventLogger& other)
: Value(other.Value)
{
events.push_back({ Event::COPY_CONSTRUCT, this, &other, other.Value });
}
BEGIN_IGNORE_UNINITIALIZED
EventLogger::EventLogger(EventLogger&& other)
: Value(other.Value)
{
events.push_back({ Event::MOVE_CONSTRUCT, this, &other, other.Value });
}
END_IGNORE_UNINITIALIZED
EventLogger::EventLogger(int value)
: Value(value)
{
events.push_back({ Event::VALUE_CONSTRUCT, this, nullptr, value });
}
EventLogger::~EventLogger()
{
BEGIN_IGNORE_UNINITIALIZED
events.push_back({ Event::DESTRUCT, this, nullptr, this->Value });
END_IGNORE_UNINITIALIZED
}
EventLogger& EventLogger::operator=(const EventLogger& other)
{
events.push_back({ Event::COPY_ASSIGN, this, &other, other.Value });
this->Value = other.Value;
return *this;
}
EventLogger& EventLogger::operator=(EventLogger&& other)
{
events.push_back({ Event::MOVE_ASSIGN, this, &other, other.Value });
this->Value = other.Value;
return *this;
}
EventLogger& EventLogger::operator=(int value)
{
events.push_back({ Event::VALUE_ASSIGN, this, nullptr, value });
this->Value = value;
return *this;
}
static bool operator==(const EventLogger& lhs, const EventLogger& rhs)
{
events.push_back({ Event::COMPARE_EE_EQ, &lhs, &rhs, lhs.Value });
return lhs.Value == rhs.Value;
}
static bool operator!=(const EventLogger& lhs, const EventLogger& rhs)
{
events.push_back({ Event::COMPARE_EE_NE, &lhs, &rhs, lhs.Value });
return lhs.Value != rhs.Value;
}
static bool operator<(const EventLogger& lhs, const EventLogger& rhs)
{
events.push_back({ Event::COMPARE_EE_LT, &lhs, &rhs, lhs.Value });
return lhs.Value < rhs.Value;
}
static bool operator<=(const EventLogger& lhs, const EventLogger& rhs)
{
events.push_back({ Event::COMPARE_EE_LE, &lhs, &rhs, lhs.Value });
return lhs.Value <= rhs.Value;
}
static bool operator>(const EventLogger& lhs, const EventLogger& rhs)
{
events.push_back({ Event::COMPARE_EE_GT, &lhs, &rhs, lhs.Value });
return lhs.Value > rhs.Value;
}
static bool operator>=(const EventLogger& lhs, const EventLogger& rhs)
{
events.push_back({ Event::COMPARE_EE_GE, &lhs, &rhs, lhs.Value });
return lhs.Value >= rhs.Value;
}
void EventLogger::Reference() &
{
events.push_back({ Event::REFERENCE, this, nullptr, this->Value });
}
void EventLogger::Reference() const&
{
events.push_back({ Event::CONST_REFERENCE, this, nullptr, this->Value });
}
void EventLogger::Reference() &&
{
events.push_back({ Event::RVALUE_REFERENCE, this, nullptr, this->Value });
}
void EventLogger::Reference() const&&
{
events.push_back(
{ Event::CONST_RVALUE_REFERENCE, this, nullptr, this->Value });
}
static bool testDefaultConstruct(std::vector<Event>& expected)
{
const cm::optional<EventLogger> o{};
expected = {};
return true;
}
static bool testNulloptConstruct(std::vector<Event>& expected)
{
const cm::optional<EventLogger> o{ cm::nullopt };
expected = {};
return true;
}
static bool testValueConstruct(std::vector<Event>& expected)
{
const cm::optional<EventLogger> o{ 4 };
expected = {
{ Event::VALUE_CONSTRUCT, &*o, nullptr, 4 },
{ Event::DESTRUCT, &*o, nullptr, 4 },
};
return true;
}
static bool testInPlaceConstruct(std::vector<Event>& expected)
{
const cm::optional<EventLogger> o1{ cm::in_place, 4 };
const cm::optional<EventLogger> o2{ cm::in_place_t{}, 4 };
expected = {
{ Event::VALUE_CONSTRUCT, &*o1, nullptr, 4 },
{ Event::VALUE_CONSTRUCT, &*o2, nullptr, 4 },
{ Event::DESTRUCT, &*o2, nullptr, 4 },
{ Event::DESTRUCT, &*o1, nullptr, 4 },
};
return true;
}
static bool testCopyConstruct(std::vector<Event>& expected)
{
const cm::optional<EventLogger> o1{ 4 };
const cm::optional<EventLogger> o2{ o1 };
const cm::optional<EventLogger> o3{};
const cm::optional<EventLogger> o4{ o3 };
expected = {
{ Event::VALUE_CONSTRUCT, &*o1, nullptr, 4 },
{ Event::COPY_CONSTRUCT, &*o2, &o1.value(), 4 },
{ Event::DESTRUCT, &*o2, nullptr, 4 },
{ Event::DESTRUCT, &*o1, nullptr, 4 },
};
return true;
}
static bool testMoveConstruct(std::vector<Event>& expected)
{
cm::optional<EventLogger> o1{ 4 };
const cm::optional<EventLogger> o2{ std::move(o1) };
cm::optional<EventLogger> o3{};
const cm::optional<EventLogger> o4{ std::move(o3) };
#ifndef __clang_analyzer__ /* cplusplus.Move */
expected = {
{ Event::VALUE_CONSTRUCT, &*o1, nullptr, 4 },
{ Event::MOVE_CONSTRUCT, &*o2, &*o1, 4 },
{ Event::DESTRUCT, &*o2, nullptr, 4 },
{ Event::DESTRUCT, &*o1, nullptr, 4 },
};
#endif
return true;
}
static bool testNulloptAssign(std::vector<Event>& expected)
{
cm::optional<EventLogger> o1{ 4 };
auto const* v1 = &*o1;
o1 = cm::nullopt;
cm::optional<EventLogger> o2{};
o2 = cm::nullopt;
expected = {
{ Event::VALUE_CONSTRUCT, v1, nullptr, 4 },
{ Event::DESTRUCT, v1, nullptr, 4 },
};
return true;
}
static bool testCopyAssign(std::vector<Event>& expected)
{
cm::optional<EventLogger> o1{};
const cm::optional<EventLogger> o2{ 4 };
auto const* v2 = &*o2;
o1 = o2;
auto const* v1 = &*o1;
const cm::optional<EventLogger> o3{ 5 };
auto const* v3 = &*o3;
o1 = o3;
const cm::optional<EventLogger> o4{};
o1 = o4;
o1 = o4; // Intentionally duplicated to test assigning an empty optional to
// an empty optional
cm::optional<NoMoveAssignEventLogger> o5{ 1 };
auto const* v5 = &*o5;
const cm::optional<NoMoveAssignEventLogger> o6{ 2 };
auto const* v6 = &*o6;
o5 = std::move(o6);
const NoMoveAssignEventLogger e7{ 3 };
o5 = std::move(e7);
expected = {
{ Event::VALUE_CONSTRUCT, v2, nullptr, 4 },
{ Event::COPY_CONSTRUCT, v1, v2, 4 },
{ Event::VALUE_CONSTRUCT, v3, nullptr, 5 },
{ Event::COPY_ASSIGN, v1, v3, 5 },
{ Event::DESTRUCT, v1, nullptr, 5 },
{ Event::VALUE_CONSTRUCT, v5, nullptr, 1 },
{ Event::VALUE_CONSTRUCT, v6, nullptr, 2 },
{ Event::COPY_ASSIGN, v5, v6, 2 },
{ Event::VALUE_CONSTRUCT, &e7, nullptr, 3 },
{ Event::COPY_ASSIGN, v5, &e7, 3 },
{ Event::DESTRUCT, &e7, nullptr, 3 },
{ Event::DESTRUCT, v6, nullptr, 2 },
{ Event::DESTRUCT, v5, nullptr, 3 },
{ Event::DESTRUCT, v3, nullptr, 5 },
{ Event::DESTRUCT, v2, nullptr, 4 },
};
return true;
}
static bool testMoveAssign(std::vector<Event>& expected)
{
cm::optional<EventLogger> o1{};
cm::optional<EventLogger> o2{ 4 };
auto const* v2 = &*o2;
o1 = std::move(o2);
auto const* v1 = &*o1;
cm::optional<EventLogger> o3{ 5 };
auto const* v3 = &*o3;
o1 = std::move(o3);
cm::optional<EventLogger> o4{};
o1 = std::move(o4);
expected = {
{ Event::VALUE_CONSTRUCT, v2, nullptr, 4 },
{ Event::MOVE_CONSTRUCT, v1, v2, 4 },
{ Event::VALUE_CONSTRUCT, v3, nullptr, 5 },
{ Event::MOVE_ASSIGN, v1, v3, 5 },
{ Event::DESTRUCT, v1, nullptr, 5 },
{ Event::DESTRUCT, v3, nullptr, 5 },
{ Event::DESTRUCT, v2, nullptr, 4 },
};
return true;
}
static bool testPointer(std::vector<Event>& expected)
{
cm::optional<EventLogger> o1{ 4 };
const cm::optional<EventLogger> o2{ 5 };
o1->Reference();
o2->Reference();
expected = {
{ Event::VALUE_CONSTRUCT, &*o1, nullptr, 4 },
{ Event::VALUE_CONSTRUCT, &*o2, nullptr, 5 },
{ Event::REFERENCE, &*o1, nullptr, 4 },
{ Event::CONST_REFERENCE, &*o2, nullptr, 5 },
{ Event::DESTRUCT, &*o2, nullptr, 5 },
{ Event::DESTRUCT, &*o1, nullptr, 4 },
};
return true;
}
#if !__GNUC__ || __GNUC__ > 4
# define ALLOW_CONST_RVALUE
#endif
static bool testDereference(std::vector<Event>& expected)
{
cm::optional<EventLogger> o1{ 4 };
auto const* v1 = &*o1;
const cm::optional<EventLogger> o2{ 5 };
auto const* v2 = &*o2;
(*o1).Reference();
(*o2).Reference();
(*std::move(o1)).Reference();
#ifdef ALLOW_CONST_RVALUE
(*std::move(o2)).Reference(); // Broken in GCC 4.9.0. Sigh...
#endif
expected = {
{ Event::VALUE_CONSTRUCT, v1, nullptr, 4 },
{ Event::VALUE_CONSTRUCT, v2, nullptr, 5 },
{ Event::REFERENCE, v1, nullptr, 4 },
{ Event::CONST_REFERENCE, v2, nullptr, 5 },
{ Event::RVALUE_REFERENCE, v1, nullptr, 4 },
#ifdef ALLOW_CONST_RVALUE
{ Event::CONST_RVALUE_REFERENCE, v2, nullptr, 5 },
#endif
{ Event::DESTRUCT, v2, nullptr, 5 },
{ Event::DESTRUCT, v1, nullptr, 4 },
};
return true;
}
static bool testHasValue(std::vector<Event>& expected)
{
const cm::optional<EventLogger> o1{ 4 };
const cm::optional<EventLogger> o2{};
ASSERT_TRUE(o1.has_value());
ASSERT_TRUE(o1);
ASSERT_TRUE(!o2.has_value());
ASSERT_TRUE(!o2);
expected = {
{ Event::VALUE_CONSTRUCT, &*o1, nullptr, 4 },
{ Event::DESTRUCT, &*o1, nullptr, 4 },
};
return true;
}
static bool testValue(std::vector<Event>& expected)
{
cm::optional<EventLogger> o1{ 4 };
const cm::optional<EventLogger> o2{ 5 };
cm::optional<EventLogger> o3{};
const cm::optional<EventLogger> o4{};
o1.value().Reference();
o2.value().Reference();
bool thrown = false;
try {
(void)o3.value();
} catch (cm::bad_optional_access&) {
thrown = true;
}
ASSERT_TRUE(thrown);
thrown = false;
try {
(void)o4.value();
} catch (cm::bad_optional_access&) {
thrown = true;
}
ASSERT_TRUE(thrown);
expected = {
{ Event::VALUE_CONSTRUCT, &*o1, nullptr, 4 },
{ Event::VALUE_CONSTRUCT, &*o2, nullptr, 5 },
{ Event::REFERENCE, &*o1, nullptr, 4 },
{ Event::CONST_REFERENCE, &*o2, nullptr, 5 },
{ Event::DESTRUCT, &*o2, nullptr, 5 },
{ Event::DESTRUCT, &*o1, nullptr, 4 },
};
return true;
}
static bool testValueOr()
{
const cm::optional<EventLogger> o1{ 4 };
cm::optional<EventLogger> o2{ 5 };
const cm::optional<EventLogger> o3{};
cm::optional<EventLogger> o4{};
EventLogger e1{ 6 };
EventLogger e2{ 7 };
EventLogger e3{ 8 };
EventLogger e4{ 9 };
EventLogger r1 = o1.value_or(e1);
ASSERT_TRUE(r1.Value == 4);
EventLogger r2 = std::move(o2).value_or(e2);
ASSERT_TRUE(r2.Value == 5);
EventLogger r3 = o3.value_or(e3);
ASSERT_TRUE(r3.Value == 8);
EventLogger r4 = std::move(o4).value_or(e4);
ASSERT_TRUE(r4.Value == 9);
return true;
}
static bool testComparison(std::vector<Event>& expected)
{
const cm::optional<EventLogger> o1{ 1 };
const cm::optional<EventLogger> o2{ 2 };
const cm::optional<EventLogger> o3{ 2 };
const cm::optional<EventLogger> o4{};
const cm::optional<EventLogger> o5{};
const EventLogger e1{ 2 };
ASSERT_TRUE(!(o1 == o2) && o1 != o2);
ASSERT_TRUE(o1 < o2 && !(o1 >= o2));
ASSERT_TRUE(!(o1 > o2) && o1 <= o2);
ASSERT_TRUE(o2 == o3 && !(o2 != o3));
ASSERT_TRUE(!(o2 < o3) && o2 >= o3);
ASSERT_TRUE(!(o2 > o3) && o2 <= o3);
ASSERT_TRUE(!(o3 == o4) && o3 != o4);
ASSERT_TRUE(!(o3 < o4) && o3 >= o4);
ASSERT_TRUE(o3 > o4 && !(o3 <= o4));
ASSERT_TRUE(o4 == o5 && !(o4 != o5));
ASSERT_TRUE(!(o4 < o5) && o4 >= o5);
ASSERT_TRUE(!(o4 > o5) && o4 <= o5);
ASSERT_TRUE(!(o1 == cm::nullopt) && o1 != cm::nullopt);
ASSERT_TRUE(!(o1 < cm::nullopt) && o1 >= cm::nullopt);
ASSERT_TRUE(o1 > cm::nullopt && !(o1 <= cm::nullopt));
ASSERT_TRUE(!(cm::nullopt == o1) && cm::nullopt != o1);
ASSERT_TRUE(cm::nullopt < o1 && !(cm::nullopt >= o1));
ASSERT_TRUE(!(cm::nullopt > o1) && cm::nullopt <= o1);
ASSERT_TRUE(o4 == cm::nullopt && !(o4 != cm::nullopt));
ASSERT_TRUE(!(o4 < cm::nullopt) && o4 >= cm::nullopt);
ASSERT_TRUE(!(o4 > cm::nullopt) && o4 <= cm::nullopt);
ASSERT_TRUE(cm::nullopt == o4 && !(cm::nullopt != o4));
ASSERT_TRUE(!(cm::nullopt < o4) && cm::nullopt >= o4);
ASSERT_TRUE(!(cm::nullopt > o4) && cm::nullopt <= o4);
ASSERT_TRUE(!(o1 == e1) && o1 != e1);
ASSERT_TRUE(o1 < e1 && !(o1 >= e1));
ASSERT_TRUE(!(o1 > e1) && o1 <= e1);
ASSERT_TRUE(o2 == e1 && !(o2 != e1));
ASSERT_TRUE(!(o2 < e1) && o2 >= e1);
ASSERT_TRUE(!(o2 > e1) && o2 <= e1);
ASSERT_TRUE(!(o4 == e1) && o4 != e1);
ASSERT_TRUE(o4 < e1 && !(o4 >= e1));
ASSERT_TRUE(!(o4 > e1) && o4 <= e1);
ASSERT_TRUE(!(e1 == o1) && e1 != o1);
ASSERT_TRUE(!(e1 < o1) && e1 >= o1);
ASSERT_TRUE(e1 > o1 && !(e1 <= o1));
ASSERT_TRUE(e1 == o2 && !(e1 != o2));
ASSERT_TRUE(!(e1 < o2) && e1 >= o2);
ASSERT_TRUE(!(e1 > o2) && e1 <= o2);
ASSERT_TRUE(!(e1 == o4) && e1 != o4);
ASSERT_TRUE(!(e1 < o4) && e1 >= o4);
ASSERT_TRUE(e1 > o4 && !(e1 <= o4));
expected = {
{ Event::VALUE_CONSTRUCT, &*o1, nullptr, 1 },
{ Event::VALUE_CONSTRUCT, &*o2, nullptr, 2 },
{ Event::VALUE_CONSTRUCT, &*o3, nullptr, 2 },
{ Event::VALUE_CONSTRUCT, &e1, nullptr, 2 },
{ Event::COMPARE_EE_EQ, &*o1, &*o2, 1 },
{ Event::COMPARE_EE_NE, &*o1, &*o2, 1 },
{ Event::COMPARE_EE_LT, &*o1, &*o2, 1 },
{ Event::COMPARE_EE_GE, &*o1, &*o2, 1 },
{ Event::COMPARE_EE_GT, &*o1, &*o2, 1 },
{ Event::COMPARE_EE_LE, &*o1, &*o2, 1 },
{ Event::COMPARE_EE_EQ, &*o2, &*o3, 2 },
{ Event::COMPARE_EE_NE, &*o2, &*o3, 2 },
{ Event::COMPARE_EE_LT, &*o2, &*o3, 2 },
{ Event::COMPARE_EE_GE, &*o2, &*o3, 2 },
{ Event::COMPARE_EE_GT, &*o2, &*o3, 2 },
{ Event::COMPARE_EE_LE, &*o2, &*o3, 2 },
{ Event::COMPARE_EE_EQ, &*o1, &e1, 1 },
{ Event::COMPARE_EE_NE, &*o1, &e1, 1 },
{ Event::COMPARE_EE_LT, &*o1, &e1, 1 },
{ Event::COMPARE_EE_GE, &*o1, &e1, 1 },
{ Event::COMPARE_EE_GT, &*o1, &e1, 1 },
{ Event::COMPARE_EE_LE, &*o1, &e1, 1 },
{ Event::COMPARE_EE_EQ, &*o2, &e1, 2 },
{ Event::COMPARE_EE_NE, &*o2, &e1, 2 },
{ Event::COMPARE_EE_LT, &*o2, &e1, 2 },
{ Event::COMPARE_EE_GE, &*o2, &e1, 2 },
{ Event::COMPARE_EE_GT, &*o2, &e1, 2 },
{ Event::COMPARE_EE_LE, &*o2, &e1, 2 },
{ Event::COMPARE_EE_EQ, &e1, &*o1, 2 },
{ Event::COMPARE_EE_NE, &e1, &*o1, 2 },
{ Event::COMPARE_EE_LT, &e1, &*o1, 2 },
{ Event::COMPARE_EE_GE, &e1, &*o1, 2 },
{ Event::COMPARE_EE_GT, &e1, &*o1, 2 },
{ Event::COMPARE_EE_LE, &e1, &*o1, 2 },
{ Event::COMPARE_EE_EQ, &e1, &*o2, 2 },
{ Event::COMPARE_EE_NE, &e1, &*o2, 2 },
{ Event::COMPARE_EE_LT, &e1, &*o2, 2 },
{ Event::COMPARE_EE_GE, &e1, &*o2, 2 },
{ Event::COMPARE_EE_GT, &e1, &*o2, 2 },
{ Event::COMPARE_EE_LE, &e1, &*o2, 2 },
{ Event::DESTRUCT, &e1, nullptr, 2 },
{ Event::DESTRUCT, &*o3, nullptr, 2 },
{ Event::DESTRUCT, &*o2, nullptr, 2 },
{ Event::DESTRUCT, &*o1, nullptr, 1 },
};
return true;
}
static bool testSwap(std::vector<Event>& expected)
{
cm::optional<EventLogger> o1{ 4 };
auto const* v1 = &*o1;
cm::optional<EventLogger> o2{};
o1.swap(o2);
auto const* v2 = &*o2;
ASSERT_TRUE(!o1.has_value());
ASSERT_TRUE(o2.has_value());
ASSERT_TRUE(o2.value().Value == 4);
o1.swap(o2);
ASSERT_TRUE(o1.has_value());
ASSERT_TRUE(o1.value().Value == 4);
ASSERT_TRUE(!o2.has_value());
o2.emplace(5);
o1.swap(o2);
ASSERT_TRUE(o1.has_value());
ASSERT_TRUE(o1.value().Value == 5);
ASSERT_TRUE(o2.has_value());
ASSERT_TRUE(o2.value().Value == 4);
o1.reset();
o2.reset();
o1.swap(o2);
ASSERT_TRUE(!o1.has_value());
ASSERT_TRUE(!o2.has_value());
expected = {
{ Event::VALUE_CONSTRUCT, v1, nullptr, 4 },
{ Event::MOVE_CONSTRUCT, v2, v1, 4 },
{ Event::DESTRUCT, v1, nullptr, 4 },
{ Event::MOVE_CONSTRUCT, v1, v2, 4 },
{ Event::DESTRUCT, v2, nullptr, 4 },
{ Event::VALUE_CONSTRUCT, v2, nullptr, 5 },
{ Event::SWAP, v1, v2, 5 },
{ Event::DESTRUCT, v1, nullptr, 5 },
{ Event::DESTRUCT, v2, nullptr, 4 },
};
return true;
}
static bool testReset(std::vector<Event>& expected)
{
cm::optional<EventLogger> o{ 4 };
auto const* v = &*o;
o.reset();
ASSERT_TRUE(!o.has_value());
o.reset();
expected = {
{ Event::VALUE_CONSTRUCT, v, nullptr, 4 },
{ Event::DESTRUCT, v, nullptr, 4 },
};
return true;
}
static bool testEmplace(std::vector<Event>& expected)
{
cm::optional<EventLogger> o{ 4 };
o.emplace(5);
o.reset();
o.emplace();
expected = {
{ Event::VALUE_CONSTRUCT, &*o, nullptr, 4 },
{ Event::DESTRUCT, &*o, nullptr, 4 },
{ Event::VALUE_CONSTRUCT, &*o, nullptr, 5 },
{ Event::DESTRUCT, &*o, nullptr, 5 },
{ Event::DEFAULT_CONSTRUCT, &*o, nullptr, 0 },
{ Event::DESTRUCT, &*o, nullptr, 0 },
};
return true;
}
static bool testMakeOptional(std::vector<Event>& expected)
{
EventLogger e{ 4 };
cm::optional<EventLogger> o1 = cm::make_optional<EventLogger>(e);
cm::optional<EventLogger> o2 = cm::make_optional<EventLogger>(5);
expected = {
{ Event::VALUE_CONSTRUCT, &e, nullptr, 4 },
{ Event::COPY_CONSTRUCT, &*o1, &e, 4 },
{ Event::VALUE_CONSTRUCT, &*o2, nullptr, 5 },
{ Event::DESTRUCT, &*o2, nullptr, 5 },
{ Event::DESTRUCT, &*o1, nullptr, 4 },
{ Event::DESTRUCT, &e, nullptr, 4 },
};
return true;
}
static bool testMemoryRange(std::vector<Event>& expected)
{
cm::optional<EventLogger> o{ 4 };
auto* ostart = &o;
auto* oend = ostart + 1;
auto* estart = &o.value();
auto* eend = estart + 1;
ASSERT_TRUE(static_cast<void*>(estart) >= static_cast<void*>(ostart) &&
static_cast<void*>(eend) <= static_cast<void*>(oend));
expected = {
{ Event::VALUE_CONSTRUCT, &*o, nullptr, 4 },
{ Event::DESTRUCT, &*o, nullptr, 4 },
};
return true;
}
int testOptional(int /*unused*/, char* /*unused*/[])
{
int retval = 0;
#define DO_EVENT_TEST(name) \
do { \
events.clear(); \
std::vector<Event> expected; \
if (!name(expected)) { \
std::cout << "in " #name << std::endl; \
retval = 1; \
} else if (expected != events) { \
std::cout << #name " did not produce expected events" << std::endl; \
retval = 1; \
} \
} while (0)
#define DO_TEST(name) \
do { \
if (!name()) { \
std::cout << "in " #name << std::endl; \
retval = 1; \
} \
} while (0)
DO_EVENT_TEST(testDefaultConstruct);
DO_EVENT_TEST(testNulloptConstruct);
DO_EVENT_TEST(testValueConstruct);
DO_EVENT_TEST(testInPlaceConstruct);
DO_EVENT_TEST(testCopyConstruct);
DO_EVENT_TEST(testMoveConstruct);
DO_EVENT_TEST(testNulloptAssign);
DO_EVENT_TEST(testCopyAssign);
DO_EVENT_TEST(testMoveAssign);
DO_EVENT_TEST(testPointer);
DO_EVENT_TEST(testDereference);
DO_EVENT_TEST(testHasValue);
DO_EVENT_TEST(testValue);
DO_TEST(testValueOr);
DO_EVENT_TEST(testComparison);
DO_EVENT_TEST(testSwap);
DO_EVENT_TEST(testReset);
DO_EVENT_TEST(testEmplace);
DO_EVENT_TEST(testMakeOptional);
DO_EVENT_TEST(testMemoryRange);
return retval;
}