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#include <library/cpp/testing/unittest/registar.h>
#include <util/generic/vector.h>
#include <util/system/thread.h>
#include "ut_helpers.h"
template <typename TQueueType>
class TQueueTestsInSingleThread: public TTestBase {
private:
using TSelf = TQueueTestsInSingleThread<TQueueType>;
using TLink = TIntrusiveLink;
UNIT_TEST_SUITE_DEMANGLE(TSelf);
UNIT_TEST(OnePushOnePop)
UNIT_TEST(OnePushOnePop_Repeat1M)
UNIT_TEST(Threads8_Repeat1M_Push1Pop1)
UNIT_TEST_SUITE_END();
public:
void OnePushOnePop() {
TQueueType queue;
auto popped = queue.Pop();
UNIT_ASSERT_VALUES_EQUAL(popped, nullptr);
TLink msg;
queue.Push(&msg);
popped = queue.Pop();
UNIT_ASSERT_VALUES_EQUAL(&msg, popped);
popped = queue.Pop();
UNIT_ASSERT_VALUES_EQUAL(popped, nullptr);
}
void OnePushOnePop_Repeat1M() {
TQueueType queue;
TLink msg;
auto popped = queue.Pop();
UNIT_ASSERT_VALUES_EQUAL(popped, nullptr);
for (int i = 0; i < 1000000; ++i) {
queue.Push(&msg);
popped = queue.Pop();
UNIT_ASSERT_VALUES_EQUAL(&msg, popped);
popped = queue.Pop();
UNIT_ASSERT_VALUES_EQUAL(popped, nullptr);
}
}
template <size_t NUMBER_OF_THREADS>
void RepeatPush1Pop1_InManyThreads() {
class TCycleThread: public ISimpleThread {
public:
void* ThreadProc() override {
TQueueType queue;
TLink msg;
auto popped = queue.Pop();
UNIT_ASSERT_VALUES_EQUAL(popped, nullptr);
for (size_t i = 0; i < 1000000; ++i) {
queue.Push(&msg);
popped = queue.Pop();
UNIT_ASSERT_VALUES_EQUAL(popped, &msg);
popped = queue.Pop();
UNIT_ASSERT_VALUES_EQUAL(popped, nullptr);
}
return nullptr;
}
};
TVector<TAutoPtr<TCycleThread>> cyclers;
for (size_t i = 0; i < NUMBER_OF_THREADS; ++i) {
cyclers.emplace_back(new TCycleThread);
cyclers.back()->Start();
}
for (size_t i = 0; i < NUMBER_OF_THREADS; ++i) {
cyclers[i]->Join();
}
}
void Threads8_Repeat1M_Push1Pop1() {
RepeatPush1Pop1_InManyThreads<8>();
}
};
REGISTER_TESTS_FOR_ALL_ORDERED_QUEUES(TQueueTestsInSingleThread);
REGISTER_TESTS_FOR_ALL_UNORDERED_QUEUES(TQueueTestsInSingleThread)
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