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unittests.cpp
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// ©2013-2014 Cameron Desrochers.
// Distributed under the simplified BSD license (see the LICENSE file that
// should have come with this file).
// Unit tests for moodycamel::ConcurrentQueue
#define likely MAKE_SURE_LIKELY_MACRO_CAN_PEACEFULLY_COEXIST
#define unlikely MAKE_SURE_UNLIKELY_MACRO_CAN_PEACEFULLY_COEXIST
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <string>
#include <cstddef>
#include <string>
#include <iterator>
struct MakeSureCustomNewCanPeacefullyCoexist;
void* operator new(size_t size, MakeSureCustomNewCanPeacefullyCoexist* x);
void operator delete(void* ptr, MakeSureCustomNewCanPeacefullyCoexist* x);
#ifdef _WIN32
#ifndef NOMINMAX
#define NOMINMAX
#endif
#include <windows.h> // Not because we need it, but to ensure no conflicts arise with the queue's declarations
#endif
#include "minitest.h"
#include "../common/simplethread.h"
#include "../common/systemtime.h"
#include "../../concurrentqueue.h"
#include "../../blockingconcurrentqueue.h"
#include "../../c_api/concurrentqueue.h"
namespace {
struct tracking_allocator
{
union tag {
std::size_t size;
#ifdef __GNUC__
max_align_t dummy; // GCC forgot to add it to std:: for a while
#else
std::max_align_t dummy; // Others (e.g. MSVC) insist it can *only* be accessed via std::
#endif
};
static inline void* malloc(std::size_t size)
{
auto ptr = std::malloc(size + sizeof(tag));
if (ptr) {
reinterpret_cast<tag*>(ptr)->size = size;
usage.fetch_add(size, std::memory_order_relaxed);
return reinterpret_cast<char*>(ptr) + sizeof(tag);
}
return nullptr;
}
static inline void free(void* ptr)
{
if (ptr) {
ptr = reinterpret_cast<char*>(ptr) - sizeof(tag);
auto size = reinterpret_cast<tag*>(ptr)->size;
usage.fetch_add(-size, std::memory_order_relaxed);
}
std::free(ptr);
}
static inline std::size_t current_usage() { return usage.load(std::memory_order_relaxed); }
private:
static std::atomic<std::size_t> usage;
};
std::atomic<std::size_t> tracking_allocator::usage(0);
}
struct corealgos_allocator
{
static inline void* malloc(std::size_t size) { return tracking_allocator::malloc(size); }
static inline void free(void* ptr) { tracking_allocator::free(ptr); }
};
#define corealgos_allocator corealgos_allocator
#include "../corealgos.h"
using namespace moodycamel;
namespace moodycamel
{
struct MallocTrackingTraits : public ConcurrentQueueDefaultTraits
{
static inline void* malloc(std::size_t size) { return tracking_allocator::malloc(size); }
static inline void free(void* ptr) { tracking_allocator::free(ptr); }
};
template<std::size_t BlockSize = ConcurrentQueueDefaultTraits::BLOCK_SIZE, std::size_t InitialIndexSize = ConcurrentQueueDefaultTraits::EXPLICIT_INITIAL_INDEX_SIZE, bool RecycleBlocks = ConcurrentQueueDefaultTraits::RECYCLE_ALLOCATED_BLOCKS>
struct TestTraits : public MallocTrackingTraits
{
typedef std::size_t size_t;
typedef uint64_t index_t;
static const size_t BLOCK_SIZE = BlockSize;
static const size_t EXPLICIT_INITIAL_INDEX_SIZE = InitialIndexSize;
static const size_t IMPLICIT_INITIAL_INDEX_SIZE = InitialIndexSize * 2;
static const bool RECYCLE_ALLOCATED_BLOCKS = RecycleBlocks;
static inline void reset() { _malloc_count() = 0; _free_count() = 0; }
static inline std::atomic<int>& _malloc_count() { static std::atomic<int> c; return c; }
static inline int malloc_count() { return _malloc_count().load(std::memory_order_seq_cst); }
static inline std::atomic<int>& _free_count() { static std::atomic<int> c; return c; }
static inline int free_count() { return _free_count().load(std::memory_order_seq_cst); }
static inline void* malloc(ConcurrentQueueDefaultTraits::size_t bytes) { ++_malloc_count(); return tracking_allocator::malloc(bytes); }
static inline void free(void* obj) { ++_free_count(); return tracking_allocator::free(obj); }
};
struct SmallIndexTraits : public MallocTrackingTraits
{
typedef uint16_t size_t;
typedef uint16_t index_t;
};
struct ExtraSmallIndexTraits : public MallocTrackingTraits
{
typedef uint8_t size_t;
typedef uint8_t index_t;
};
struct LargeTraits : public MallocTrackingTraits
{
static const size_t BLOCK_SIZE = 128;
static const size_t INITIAL_IMPLICIT_PRODUCER_HASH_SIZE = 128;
static const size_t IMPLICIT_INITIAL_INDEX_SIZE = 128;
};
// Note: Not thread safe!
struct Foo
{
static int& nextId() { static int i; return i; }
static int& createCount() { static int c; return c; }
static int& destroyCount() { static int c; return c; }
static bool& destroyedInOrder() { static bool d = true; return d; }
static void reset() { createCount() = 0; destroyCount() = 0; nextId() = 0; destroyedInOrder() = true; lastDestroyedId() = -1; }
Foo() { id = nextId()++; ++createCount(); }
Foo(Foo const&) MOODYCAMEL_DELETE_FUNCTION;
Foo(Foo&& other) { id = other.id; other.id = -1; }
void operator=(Foo&& other) { id = other.id; other.id = -1; }
~Foo()
{
++destroyCount();
if (id == -2) {
// Double free!
destroyedInOrder() = false;
}
else if (id != -1) {
if (id <= lastDestroyedId()) {
destroyedInOrder() = false;
}
lastDestroyedId() = id;
}
id = -2;
}
private:
int id;
static int& lastDestroyedId() { static int i = -1; return i; }
};
struct Copyable {
Copyable(int id) : copied(false), id(id) { }
Copyable(Copyable const& o) : copied(true), id(o.id) { }
void operator=(Copyable const& o) { copied = true; id = o.id; }
bool copied;
int id;
};
struct Moveable {
Moveable(int id) : moved(false), copied(false), id(id) { }
Moveable(Moveable&& o) MOODYCAMEL_NOEXCEPT : moved(true), copied(o.copied), id(o.id) { }
void operator=(Moveable&& o) MOODYCAMEL_NOEXCEPT { moved = true; copied = o.copied; id = o.id; }
bool moved;
bool copied;
int id;
#if defined(_MSC_VER) && _MSC_VER < 1800
// VS2012's std::is_nothrow_[move_]constructible is broken, so the queue never attempts to
// move objects with that compiler. In this case, we don't know whether it's really a copy
// or not being done, so give the benefit of the doubt (given the tests pass on other platforms)
// and assume it would have done a move if it could have (don't set copied to true).
Moveable(Moveable const& o) MOODYCAMEL_NOEXCEPT : moved(o.moved), copied(o.copied), id(o.id) { }
void operator=(Moveable const& o) MOODYCAMEL_NOEXCEPT { moved = o.moved; copied = o.copied; id = o.id; }
#else
Moveable(Moveable const& o) MOODYCAMEL_NOEXCEPT : moved(o.moved), copied(true), id(o.id) { }
void operator=(Moveable const& o) MOODYCAMEL_NOEXCEPT { moved = o.moved; copied = true; id = o.id; }
#endif
};
struct Emplaceable {
Emplaceable() : moved(false), copied(false), copyData(0), moveData(0) {}
Emplaceable(const Copyable& copyData, Moveable&& moveData) : moved(false), copied(false), copyData(copyData), moveData(std::move(moveData)) { }
Emplaceable(Emplaceable&& o) MOODYCAMEL_NOEXCEPT : moved(true), copied(o.copied), copyData(o.copyData), moveData(std::move(o.moveData)) { }
void operator=(Emplaceable&& o) MOODYCAMEL_NOEXCEPT { moved = true; copied = o.copied; copyData = o.copyData; moveData = std::move(o.moveData); }
bool moved;
bool copied;
Copyable copyData;
Moveable moveData;
#if defined(_MSC_VER) && _MSC_VER < 1800
// VS2012's std::is_nothrow_[move_]constructible is broken, so the queue never attempts to
// move objects with that compiler. In this case, we don't know whether it's really a copy
// or not being done, so give the benefit of the doubt (given the tests pass on other platforms)
// and assume it would have done a move if it could have (don't set copied to true).
Emplaceable(Emplaceable const& o) MOODYCAMEL_NOEXCEPT : moved(o.moved), copied(o.copied), copyData(o.copyData), moveData(o.moveData) { }
void operator=(Emplaceable const& o) MOODYCAMEL_NOEXCEPT { moved = o.moved; copied = o.copied; copyData = o.copyData; moveData = o.moveData; }
#else
Emplaceable(Emplaceable const& o) MOODYCAMEL_NOEXCEPT : moved(o.moved), copied(true), copyData(o.copyData), moveData(o.moveData) { }
void operator=(Emplaceable const& o) MOODYCAMEL_NOEXCEPT { moved = o.moved; copied = true; copyData = o.copyData; moveData = o.moveData; }
#endif
};
struct ThrowingMovable {
static std::atomic<int>& ctorCount() { static std::atomic<int> c; return c; }
static std::atomic<int>& destroyCount() { static std::atomic<int> c; return c; }
static void reset() { ctorCount() = 0; destroyCount() = 0; }
explicit ThrowingMovable(int id, bool throwOnCctor = false, bool throwOnAssignment = false, bool throwOnSecondCctor = false)
: id(id), moved(false), copied(false), throwOnCctor(throwOnCctor), throwOnAssignment(throwOnAssignment), throwOnSecondCctor(throwOnSecondCctor)
{
ctorCount().fetch_add(1, std::memory_order_relaxed);
}
ThrowingMovable(ThrowingMovable const& o)
: id(o.id), moved(false), copied(true), throwOnCctor(o.throwOnCctor), throwOnAssignment(o.throwOnAssignment), throwOnSecondCctor(false)
{
if (throwOnCctor) {
throw this;
}
ctorCount().fetch_add(1, std::memory_order_relaxed);
throwOnCctor = o.throwOnSecondCctor;
}
ThrowingMovable(ThrowingMovable&& o)
: id(o.id), moved(true), copied(false), throwOnCctor(o.throwOnCctor), throwOnAssignment(o.throwOnAssignment), throwOnSecondCctor(false)
{
if (throwOnCctor) {
throw this;
}
ctorCount().fetch_add(1, std::memory_order_relaxed);
throwOnCctor = o.throwOnSecondCctor;
}
~ThrowingMovable()
{
destroyCount().fetch_add(1, std::memory_order_relaxed);
}
void operator=(ThrowingMovable const& o)
{
id = o.id;
moved = false;
copied = true;
throwOnCctor = o.throwOnCctor;
throwOnAssignment = o.throwOnAssignment;
throwOnSecondCctor = o.throwOnSecondCctor;
if (throwOnAssignment) {
throw this;
}
}
void operator=(ThrowingMovable&& o)
{
id = o.id;
moved = true;
copied = false;
throwOnCctor = o.throwOnCctor;
throwOnAssignment = o.throwOnAssignment;
throwOnSecondCctor = o.throwOnSecondCctor;
if (throwOnAssignment) {
throw this;
}
}
int id;
bool moved;
bool copied;
public:
bool throwOnCctor;
bool throwOnAssignment;
bool throwOnSecondCctor;
};
#ifdef __arm__
#define SUPER_ALIGNMENT 64
#else
#define SUPER_ALIGNMENT 128
#endif
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4324) // structure was padded due to alignment specifier
#endif
struct MOODYCAMEL_ALIGNAS(SUPER_ALIGNMENT) VeryAligned {
static size_t errors;
int value;
VeryAligned() MOODYCAMEL_NOEXCEPT : value(0) {
if (reinterpret_cast<uintptr_t>(this) % SUPER_ALIGNMENT != 0)
++errors;
}
VeryAligned(int value) MOODYCAMEL_NOEXCEPT : value(value) {
if (reinterpret_cast<uintptr_t>(this) % SUPER_ALIGNMENT != 0)
++errors;
}
VeryAligned(VeryAligned&& x) MOODYCAMEL_NOEXCEPT : value(x.value) {
if (reinterpret_cast<uintptr_t>(this) % SUPER_ALIGNMENT != 0)
++errors;
x.value = 0;
}
VeryAligned& operator=(VeryAligned&& x) MOODYCAMEL_NOEXCEPT {
std::swap(value, x.value);
return *this;
}
VeryAligned(VeryAligned const&) MOODYCAMEL_DELETE_FUNCTION;
VeryAligned& operator=(VeryAligned const&) MOODYCAMEL_DELETE_FUNCTION;
};
size_t VeryAligned::errors = 0;
#ifdef _MSC_VER
#pragma warning(pop)
#endif
class ConcurrentQueueTests : public TestClass<ConcurrentQueueTests>
{
public:
ConcurrentQueueTests()
{
REGISTER_TEST(create_empty_queue);
REGISTER_TEST(create_token);
REGISTER_TEST(circular_less_than);
REGISTER_TEST(enqueue_one_explicit);
REGISTER_TEST(enqueue_and_dequeue_one_explicit);
REGISTER_TEST(enqueue_one_implicit);
REGISTER_TEST(enqueue_and_dequeue_one_implicit);
REGISTER_TEST(enqueue_and_dequeue_a_few);
REGISTER_TEST(enqueue_bulk);
REGISTER_TEST(block_alloc);
REGISTER_TEST(token_move);
REGISTER_TEST(multi_producers);
REGISTER_TEST(producer_reuse);
REGISTER_TEST(block_reuse);
REGISTER_TEST(block_recycling);
REGISTER_TEST(leftovers_destroyed);
REGISTER_TEST(block_index_resized);
REGISTER_TEST(try_dequeue);
REGISTER_TEST(try_dequeue_threaded);
REGISTER_TEST(try_dequeue_bulk);
REGISTER_TEST(try_dequeue_bulk_threaded);
REGISTER_TEST(implicit_producer_hash);
REGISTER_TEST(index_wrapping);
REGISTER_TEST(subqueue_size_limit);
REGISTER_TEST(exceptions);
REGISTER_TEST(implicit_producer_churn);
REGISTER_TEST(test_threaded);
REGISTER_TEST(test_threaded_bulk);
REGISTER_TEST(full_api<ConcurrentQueueDefaultTraits>);
REGISTER_TEST(full_api<SmallIndexTraits>);
REGISTER_TEST(blocking_wrappers);
REGISTER_TEST(timed_blocking_wrappers);
//c_api/concurrentqueue
REGISTER_TEST(c_api_create);
REGISTER_TEST(c_api_enqueue);
REGISTER_TEST(c_api_try_dequeue);
REGISTER_TEST(c_api_destroy);
// Semaphore
REGISTER_TEST(acquire_and_signal);
REGISTER_TEST(try_acquire_and_signal);
// Core algos
REGISTER_TEST(core_add_only_list);
REGISTER_TEST(core_thread_local);
REGISTER_TEST(core_free_list);
REGISTER_TEST(core_spmc_hash);
REGISTER_TEST(explicit_strings_threaded);
REGISTER_TEST(large_traits);
}
bool postTest(bool testSucceeded) override
{
if (testSucceeded) {
// If this assertion fails, there's necessarily a memory leak somewhere!
ASSERT_OR_FAIL(tracking_allocator::current_usage() == 0);
}
return true;
}
bool create_empty_queue()
{
ConcurrentQueue<int, MallocTrackingTraits> q;
return true;
}
bool create_token()
{
ConcurrentQueue<int, MallocTrackingTraits> q;
ProducerToken tok(q);
return true;
}
bool circular_less_than()
{
{
uint32_t a, b;
a = 0; b = 100;
ASSERT_OR_FAIL(details::circular_less_than(a, b));
ASSERT_OR_FAIL(!details::circular_less_than(b, a));
a = 100; b = 0;
ASSERT_OR_FAIL(!details::circular_less_than(a, b));
ASSERT_OR_FAIL(details::circular_less_than(b, a));
a = 0; b = 0;
ASSERT_OR_FAIL(!details::circular_less_than(a, b));
ASSERT_OR_FAIL(!details::circular_less_than(b, a));
a = 100; b = 100;
ASSERT_OR_FAIL(!details::circular_less_than(a, b));
ASSERT_OR_FAIL(!details::circular_less_than(b, a));
a = 0; b = 1u << 31;
ASSERT_OR_FAIL(!details::circular_less_than(a, b));
ASSERT_OR_FAIL(!details::circular_less_than(b, a));
a = 1; b = 1u << 31;
ASSERT_OR_FAIL(details::circular_less_than(a, b));
ASSERT_OR_FAIL(!details::circular_less_than(b, a));
a = 0; b = (1u << 31) + 1;
ASSERT_OR_FAIL(!details::circular_less_than(a, b));
ASSERT_OR_FAIL(details::circular_less_than(b, a));
a = 100; b = (1u << 31) + 1;
ASSERT_OR_FAIL(details::circular_less_than(a, b));
ASSERT_OR_FAIL(!details::circular_less_than(b, a));
a = (1u << 31) + 7; b = 5;
ASSERT_OR_FAIL(details::circular_less_than(a, b));
ASSERT_OR_FAIL(!details::circular_less_than(b, a));
a = (1u << 16) + 7; b = (1 << 16) + 5;
ASSERT_OR_FAIL(!details::circular_less_than(a, b));
ASSERT_OR_FAIL(details::circular_less_than(b, a));
a = 0xFFFFFFFFu; b = 0;
ASSERT_OR_FAIL(details::circular_less_than(a, b));
ASSERT_OR_FAIL(!details::circular_less_than(b, a));
a = 0xFFFFFFFFu; b = 0xFFFFFFu;
ASSERT_OR_FAIL(details::circular_less_than(a, b));
ASSERT_OR_FAIL(!details::circular_less_than(b, a));
}
{
uint16_t a, b;
a = 0; b = 100;
ASSERT_OR_FAIL(details::circular_less_than(a, b));
ASSERT_OR_FAIL(!details::circular_less_than(b, a));
a = 100; b = 0;
ASSERT_OR_FAIL(!details::circular_less_than(a, b));
ASSERT_OR_FAIL(details::circular_less_than(b, a));
a = 0; b = 0;
ASSERT_OR_FAIL(!details::circular_less_than(a, b));
ASSERT_OR_FAIL(!details::circular_less_than(b, a));
a = 100; b = 100;
ASSERT_OR_FAIL(!details::circular_less_than(a, b));
ASSERT_OR_FAIL(!details::circular_less_than(b, a));
a = 0; b = 1 << 15;
ASSERT_OR_FAIL(!details::circular_less_than(a, b));
ASSERT_OR_FAIL(!details::circular_less_than(b, a));
a = 1; b = 1 << 15;
ASSERT_OR_FAIL(details::circular_less_than(a, b));
ASSERT_OR_FAIL(!details::circular_less_than(b, a));
a = 0; b = (1 << 15) + 1;
ASSERT_OR_FAIL(!details::circular_less_than(a, b));
ASSERT_OR_FAIL(details::circular_less_than(b, a));
a = 100; b = (1 << 15) + 1;
ASSERT_OR_FAIL(details::circular_less_than(a, b));
ASSERT_OR_FAIL(!details::circular_less_than(b, a));
a = (1 << 15) + 7; b = 5;
ASSERT_OR_FAIL(details::circular_less_than(a, b));
ASSERT_OR_FAIL(!details::circular_less_than(b, a));
a = (1 << 15) + 7; b = (1 << 15) + 5;
ASSERT_OR_FAIL(!details::circular_less_than(a, b));
ASSERT_OR_FAIL(details::circular_less_than(b, a));
a = 0xFFFF; b = 0;
ASSERT_OR_FAIL(details::circular_less_than(a, b));
ASSERT_OR_FAIL(!details::circular_less_than(b, a));
a = 0xFFFF; b = 0xFFF;
ASSERT_OR_FAIL(details::circular_less_than(a, b));
ASSERT_OR_FAIL(!details::circular_less_than(b, a));
}
return true;
}
bool enqueue_one_explicit()
{
ConcurrentQueue<int, MallocTrackingTraits> q;
ProducerToken tok(q);
bool result = q.enqueue(tok, 17);
ASSERT_OR_FAIL(result);
return true;
}
bool enqueue_and_dequeue_one_explicit()
{
ConcurrentQueue<int, MallocTrackingTraits> q;
ProducerToken tok(q);
int item = 0;
ASSERT_OR_FAIL(q.enqueue(tok, 123));
ASSERT_OR_FAIL(q.try_dequeue_from_producer(tok, item));
ASSERT_OR_FAIL(item == 123);
return true;
}
bool enqueue_one_implicit()
{
ConcurrentQueue<int, MallocTrackingTraits> q;
bool result = q.enqueue(17);
ASSERT_OR_FAIL(result);
return true;
}
bool enqueue_and_dequeue_one_implicit()
{
ConcurrentQueue<int, MallocTrackingTraits> q;
int item = 0;
ASSERT_OR_FAIL(q.enqueue(123));
ASSERT_OR_FAIL(q.try_dequeue(item));
ASSERT_OR_FAIL(item == 123);
return true;
}
bool enqueue_and_dequeue_a_few()
{
// Fairly straightforward mass enqueue and dequeue
{
ConcurrentQueue<int, TestTraits<16>> q;
ProducerToken tok(q);
for (int i = 0; i != 99999; ++i) {
ASSERT_OR_FAIL(q.enqueue(tok, i));
}
int item;
for (int i = 0; i != 99999; ++i) {
ASSERT_OR_FAIL(q.try_dequeue_from_producer(tok, item));
ASSERT_OR_FAIL(item == i);
}
ASSERT_OR_FAIL(!q.try_dequeue_from_producer(tok, item));
}
// Interleaved enqueue and dequeue (though still no threads involved)
{
ConcurrentQueue<int, TestTraits<16>> q;
ProducerToken tok(q);
int item;
for (int i = 0; i != 99999; ++i) {
ASSERT_OR_FAIL(q.enqueue(tok, i));
ASSERT_OR_FAIL(q.enqueue(tok, i * 2));
ASSERT_OR_FAIL(q.try_dequeue_from_producer(tok, item));
ASSERT_OR_FAIL(item == (i / 2) * (i % 2 == 0 ? 1 : 2));
}
for (int i = 0; i != 99999; ++i) {
ASSERT_OR_FAIL(q.try_dequeue_from_producer(tok, item));
ASSERT_OR_FAIL(item == ((i + 99999) / 2) * (i % 2 == 1 ? 1 : 2));
}
ASSERT_OR_FAIL(!q.try_dequeue_from_producer(tok, item));
}
// Implicit usage
{
ConcurrentQueue<int, TestTraits<16>> q;
for (int i = 0; i != 99999; ++i) {
ASSERT_OR_FAIL(q.enqueue(i));
}
int item;
for (int i = 0; i != 99999; ++i) {
ASSERT_OR_FAIL(q.try_dequeue(item));
ASSERT_OR_FAIL(item == i);
}
ASSERT_OR_FAIL(!q.try_dequeue(item));
}
{
ConcurrentQueue<int, TestTraits<16>> q;
int item;
for (int i = 0; i != 99999; ++i) {
ASSERT_OR_FAIL(q.enqueue(i));
ASSERT_OR_FAIL(q.enqueue(i * 2));
ASSERT_OR_FAIL(q.try_dequeue(item));
ASSERT_OR_FAIL(item == (i / 2) * (i % 2 == 0 ? 1 : 2));
}
for (int i = 0; i != 99999; ++i) {
ASSERT_OR_FAIL(q.try_dequeue(item));
ASSERT_OR_FAIL(item == ((i + 99999) / 2) * (i % 2 == 1 ? 1 : 2));
}
ASSERT_OR_FAIL(!q.try_dequeue(item));
}
return true;
}
bool enqueue_bulk()
{
typedef TestTraits<2> Traits2;
typedef TestTraits<4> Traits4;
int arr123[] = { 1, 2, 3 };
int arr1234[] = { 1, 2, 3, 4 };
int arr123456[] = { 1, 2, 3, 4, 5, 6 };
Traits2::reset();
{
// Implicit, block allocation required
ConcurrentQueue<int, Traits2> q(2);
ASSERT_OR_FAIL(Traits2::malloc_count() == 1);
q.enqueue_bulk(arr123, 3);
ASSERT_OR_FAIL(Traits2::malloc_count() == 4); // One for producer, one for block index, one for block
int item;
for (int i = 0; i != 3; ++i) {
ASSERT_OR_FAIL(q.try_dequeue(item));
ASSERT_OR_FAIL(item == i + 1);
}
ASSERT_OR_FAIL(!q.try_dequeue(item));
}
Traits4::reset();
{
// Implicit, block allocation not required (end on block boundary)
ConcurrentQueue<int, Traits4> q(2);
ASSERT_OR_FAIL(Traits4::malloc_count() == 1);
q.enqueue_bulk(arr1234, 4);
ASSERT_OR_FAIL(Traits4::malloc_count() == 3); // One for producer, one for block index
int item;
for (int i = 0; i != 4; ++i) {
ASSERT_OR_FAIL(q.try_dequeue(item));
ASSERT_OR_FAIL(item == i + 1);
}
ASSERT_OR_FAIL(!q.try_dequeue(item));
}
Traits2::reset();
{
// Implicit, allocation fail
ConcurrentQueue<int, Traits2> q(2);
ASSERT_OR_FAIL(Traits2::malloc_count() == 1);
ASSERT_OR_FAIL(!q.try_enqueue_bulk(arr123, 3));
ASSERT_OR_FAIL(Traits2::malloc_count() == 3); // Still has to allocate implicit producer and block index
int item;
ASSERT_OR_FAIL(!q.try_dequeue(item));
ASSERT_OR_FAIL(q.try_enqueue_bulk(arr123, 2));
for (int i = 0; i != 2; ++i) {
ASSERT_OR_FAIL(q.try_dequeue(item));
ASSERT_OR_FAIL(item == i + 1);
}
ASSERT_OR_FAIL(!q.try_dequeue(item));
}
Traits2::reset();
{
// Implicit, block allocation not required
ConcurrentQueue<int, Traits2> q(4);
ASSERT_OR_FAIL(Traits2::malloc_count() == 1);
q.enqueue_bulk(arr1234, 4);
ASSERT_OR_FAIL(Traits2::malloc_count() == 3); // One for producer, one for block index
int item;
for (int i = 0; i != 4; ++i) {
ASSERT_OR_FAIL(q.try_dequeue(item));
ASSERT_OR_FAIL(item == i + 1);
}
ASSERT_OR_FAIL(!q.try_dequeue(item));
}
Traits4::reset();
{
// Implicit, block allocation required (end not on block boundary)
ConcurrentQueue<int, Traits4> q(4);
ASSERT_OR_FAIL(Traits4::malloc_count() == 1);
ASSERT_OR_FAIL(q.enqueue(0));
ASSERT_OR_FAIL(q.enqueue_bulk(arr1234, 4));
ASSERT_OR_FAIL(Traits4::malloc_count() == 4); // One for producer, one for block index, one for block
int item;
for (int i = 0; i != 5; ++i) {
ASSERT_OR_FAIL(q.try_dequeue(item));
ASSERT_OR_FAIL(item == i);
}
ASSERT_OR_FAIL(!q.try_dequeue(item));
}
Traits4::reset();
{
// Implicit, block allocation not required (end not on block boundary)
ConcurrentQueue<int, Traits4> q(5);
ASSERT_OR_FAIL(Traits4::malloc_count() == 1);
ASSERT_OR_FAIL(q.enqueue(0));
ASSERT_OR_FAIL(q.enqueue_bulk(arr1234, 4));
ASSERT_OR_FAIL(Traits4::malloc_count() == 3); // One for producer, one for block index
int item;
for (int i = 0; i != 5; ++i) {
ASSERT_OR_FAIL(q.try_dequeue(item));
ASSERT_OR_FAIL(item == i);
}
ASSERT_OR_FAIL(!q.try_dequeue(item));
}
Traits2::reset();
{
// Implicit, block allocation fail (end not on block boundary) -- test rewind
ConcurrentQueue<int, Traits2> q(4);
ASSERT_OR_FAIL(Traits2::malloc_count() == 1);
ASSERT_OR_FAIL(q.enqueue(17));
ASSERT_OR_FAIL(Traits2::malloc_count() == 3); // One for producer, one for block index
ASSERT_OR_FAIL(!q.try_enqueue_bulk(arr123456, 6));
ASSERT_OR_FAIL(Traits2::malloc_count() == 3);
int item;
ASSERT_OR_FAIL(q.try_dequeue(item));
ASSERT_OR_FAIL(item == 17);
ASSERT_OR_FAIL(!q.try_dequeue(item));
}
Traits2::reset();
{
// Implicit, enqueue nothing
ConcurrentQueue<int, Traits2> q(3);
ASSERT_OR_FAIL(Traits2::malloc_count() == 1);
ASSERT_OR_FAIL(q.try_enqueue_bulk(arr123, 0));
ASSERT_OR_FAIL(Traits2::malloc_count() == 3); // One for producer, one for block index
int item;
ASSERT_OR_FAIL(!q.try_dequeue(item));
}
////////
Traits2::reset();
{
// Explicit, block allocation required
ConcurrentQueue<int, Traits2> q(2);
ASSERT_OR_FAIL(Traits2::malloc_count() == 1);
ProducerToken tok(q);
ASSERT_OR_FAIL(Traits2::malloc_count() == 3); // One for producer, one for block index
q.enqueue_bulk(tok, arr123, 3);
ASSERT_OR_FAIL(Traits2::malloc_count() == 4); // One for block
int item;
for (int i = 0; i != 3; ++i) {
ASSERT_OR_FAIL(q.try_dequeue(item));
ASSERT_OR_FAIL(item == i + 1);
}
ASSERT_OR_FAIL(!q.try_dequeue(item));
}
Traits4::reset();
{
// Explicit, block allocation not required (end on block boundary)
ConcurrentQueue<int, Traits4> q(2);
ASSERT_OR_FAIL(Traits4::malloc_count() == 1);
ProducerToken tok(q);
ASSERT_OR_FAIL(Traits4::malloc_count() == 3); // One for producer, one for block index
q.enqueue_bulk(tok, arr1234, 4);
ASSERT_OR_FAIL(Traits4::malloc_count() == 3);
int item;
for (int i = 0; i != 4; ++i) {
ASSERT_OR_FAIL(q.try_dequeue(item));
ASSERT_OR_FAIL(item == i + 1);
}
ASSERT_OR_FAIL(!q.try_dequeue(item));
}
Traits2::reset();
{
// Explicit, allocation fail
ConcurrentQueue<int, Traits2> q(2);
ASSERT_OR_FAIL(Traits2::malloc_count() == 1);
ProducerToken tok(q);
ASSERT_OR_FAIL(Traits2::malloc_count() == 3); // One for producer, one for block index
ASSERT_OR_FAIL(!q.try_enqueue_bulk(tok, arr123, 3));
ASSERT_OR_FAIL(Traits2::malloc_count() == 3);
int item;
ASSERT_OR_FAIL(!q.try_dequeue(item));
ASSERT_OR_FAIL(q.try_enqueue_bulk(tok, arr123, 2));
for (int i = 0; i != 2; ++i) {
ASSERT_OR_FAIL(q.try_dequeue(item));
ASSERT_OR_FAIL(item == i + 1);
}
ASSERT_OR_FAIL(!q.try_dequeue(item));
ASSERT_OR_FAIL(Traits2::malloc_count() == 3);
}
Traits2::reset();
{
// Explicit, block allocation not required
ConcurrentQueue<int, Traits2> q(4);
ASSERT_OR_FAIL(Traits2::malloc_count() == 1);
ProducerToken tok(q);
ASSERT_OR_FAIL(Traits2::malloc_count() == 3); // One for producer, one for block index
q.enqueue_bulk(tok, arr1234, 4);
ASSERT_OR_FAIL(Traits2::malloc_count() == 3);
int item;
for (int i = 0; i != 4; ++i) {
ASSERT_OR_FAIL(q.try_dequeue(item));
ASSERT_OR_FAIL(item == i + 1);
}
ASSERT_OR_FAIL(!q.try_dequeue(item));
}
Traits4::reset();
{
// Explicit, block allocation required (end not on block boundary)
ConcurrentQueue<int, Traits4> q(4);
ASSERT_OR_FAIL(Traits4::malloc_count() == 1);
ProducerToken tok(q);
ASSERT_OR_FAIL(Traits4::malloc_count() == 3); // One for producer, one for block index
ASSERT_OR_FAIL(q.enqueue(tok, 0));
ASSERT_OR_FAIL(q.enqueue_bulk(tok, arr1234, 4));
ASSERT_OR_FAIL(Traits4::malloc_count() == 4); // One for block
int item;
for (int i = 0; i != 5; ++i) {
ASSERT_OR_FAIL(q.try_dequeue(item));
ASSERT_OR_FAIL(item == i);
}
ASSERT_OR_FAIL(!q.try_dequeue(item));
}
Traits4::reset();
{
// Explicit, block allocation not required (end not on block boundary)
ConcurrentQueue<int, Traits4> q(5);
ASSERT_OR_FAIL(Traits4::malloc_count() == 1);
ProducerToken tok(q);
ASSERT_OR_FAIL(Traits4::malloc_count() == 3); // One for producer, one for block index
ASSERT_OR_FAIL(q.enqueue(tok, 0));
ASSERT_OR_FAIL(q.enqueue_bulk(tok, arr1234, 4));
ASSERT_OR_FAIL(Traits4::malloc_count() == 3);
int item;
for (int i = 0; i != 5; ++i) {
ASSERT_OR_FAIL(q.try_dequeue(item));
ASSERT_OR_FAIL(item == i);
}
ASSERT_OR_FAIL(!q.try_dequeue(item));
}
Traits2::reset();
{
// Explicit, block allocation fail (end not on block boundary) -- test rewind
ConcurrentQueue<int, Traits2> q(4);
ASSERT_OR_FAIL(Traits2::malloc_count() == 1);
ProducerToken tok(q);
ASSERT_OR_FAIL(Traits2::malloc_count() == 3); // One for producer, one for block index
ASSERT_OR_FAIL(q.enqueue(tok, 17));
ASSERT_OR_FAIL(Traits2::malloc_count() == 3);
ASSERT_OR_FAIL(!q.try_enqueue_bulk(tok, arr123456, 6));
ASSERT_OR_FAIL(Traits2::malloc_count() == 3);
int item;
ASSERT_OR_FAIL(q.try_dequeue(item));
ASSERT_OR_FAIL(item == 17);
ASSERT_OR_FAIL(!q.try_dequeue(item));
}
Traits2::reset();
{
// Explicit, enqueue nothing
ConcurrentQueue<int, Traits2> q(3);
ASSERT_OR_FAIL(Traits2::malloc_count() == 1);
ProducerToken tok(q);
ASSERT_OR_FAIL(Traits2::malloc_count() == 3); // One for producer, one for block index
ASSERT_OR_FAIL(q.try_enqueue_bulk(tok, arr123, 0));
ASSERT_OR_FAIL(Traits2::malloc_count() == 3);
int item;
ASSERT_OR_FAIL(!q.try_dequeue(item));
ASSERT_OR_FAIL(q.enqueue(tok, 17));
ASSERT_OR_FAIL(q.try_dequeue(item));
ASSERT_OR_FAIL(item == 17);
ASSERT_OR_FAIL(!q.try_dequeue(item));
}
Traits4::reset();
{
// Explicit, re-use empty blocks
ConcurrentQueue<int, Traits4> q(8);
ASSERT_OR_FAIL(Traits4::malloc_count() == 1);
ProducerToken tok(q);
ASSERT_OR_FAIL(Traits4::malloc_count() == 3); // One for producer, one for block index
for (int i = 0; i != 5; ++i) {
ASSERT_OR_FAIL(q.enqueue(tok, i));
}
int item;
for (int i = 0; i != 5; ++i) {
ASSERT_OR_FAIL(q.try_dequeue(item));
ASSERT_OR_FAIL(item == i);
}
ASSERT_OR_FAIL(!q.try_dequeue(item));