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- #include "includes.h"
- using std::chrono::milliseconds;
- using test_clock = std::chrono::high_resolution_clock;
- static milliseconds millis_from(const test_clock::time_point &tp0) {
- return std::chrono::duration_cast<milliseconds>(test_clock::now() - tp0);
- }
- TEST_CASE("dequeue-empty-nowait", "[mpmc_blocking_q]") {
- size_t q_size = 100;
- milliseconds tolerance_wait(20);
- spdlog::details::mpmc_blocking_queue<int> q(q_size);
- int popped_item = 0;
- auto start = test_clock::now();
- auto rv = q.dequeue_for(popped_item, milliseconds::zero());
- auto delta_ms = millis_from(start);
- REQUIRE(rv == false);
- INFO("Delta " << delta_ms.count() << " millis");
- REQUIRE(delta_ms <= tolerance_wait);
- }
- TEST_CASE("dequeue-empty-wait", "[mpmc_blocking_q]") {
- size_t q_size = 100;
- milliseconds wait_ms(250);
- milliseconds tolerance_wait(250);
- spdlog::details::mpmc_blocking_queue<int> q(q_size);
- int popped_item = 0;
- auto start = test_clock::now();
- auto rv = q.dequeue_for(popped_item, wait_ms);
- auto delta_ms = millis_from(start);
- REQUIRE(rv == false);
- INFO("Delta " << delta_ms.count() << " millis");
- REQUIRE(delta_ms >= wait_ms - tolerance_wait);
- REQUIRE(delta_ms <= wait_ms + tolerance_wait);
- }
- TEST_CASE("dequeue-full-nowait", "[mpmc_blocking_q]") {
- spdlog::details::mpmc_blocking_queue<int> q(1);
- q.enqueue(42);
- int item = 0;
- q.dequeue_for(item, milliseconds::zero());
- REQUIRE(item == 42);
- }
- TEST_CASE("dequeue-full-wait", "[mpmc_blocking_q]") {
- spdlog::details::mpmc_blocking_queue<int> q(1);
- q.enqueue(42);
- int item = 0;
- q.dequeue(item);
- REQUIRE(item == 42);
- }
- TEST_CASE("enqueue_nowait", "[mpmc_blocking_q]") {
- size_t q_size = 1;
- spdlog::details::mpmc_blocking_queue<int> q(q_size);
- milliseconds tolerance_wait(10);
- q.enqueue(1);
- REQUIRE(q.overrun_counter() == 0);
- auto start = test_clock::now();
- q.enqueue_nowait(2);
- auto delta_ms = millis_from(start);
- INFO("Delta " << delta_ms.count() << " millis");
- REQUIRE(delta_ms <= tolerance_wait);
- REQUIRE(q.overrun_counter() == 1);
- }
- TEST_CASE("bad_queue", "[mpmc_blocking_q]") {
- size_t q_size = 0;
- spdlog::details::mpmc_blocking_queue<int> q(q_size);
- q.enqueue_nowait(1);
- REQUIRE(q.overrun_counter() == 1);
- int i = 0;
- REQUIRE(q.dequeue_for(i, milliseconds(0)) == false);
- }
- TEST_CASE("empty_queue", "[mpmc_blocking_q]") {
- size_t q_size = 10;
- spdlog::details::mpmc_blocking_queue<int> q(q_size);
- int i = 0;
- REQUIRE(q.dequeue_for(i, milliseconds(10)) == false);
- }
- TEST_CASE("full_queue", "[mpmc_blocking_q]") {
- size_t q_size = 100;
- spdlog::details::mpmc_blocking_queue<int> q(q_size);
- for (int i = 0; i < static_cast<int>(q_size); i++) {
- q.enqueue(i + 0); // i+0 to force rvalue and avoid tidy warnings on the same time if we
- // std::move(i) instead
- }
- q.enqueue_nowait(123456);
- REQUIRE(q.overrun_counter() == 1);
- for (int i = 1; i < static_cast<int>(q_size); i++) {
- int item = -1;
- q.dequeue(item);
- REQUIRE(item == i);
- }
- // last item pushed has overridden the oldest.
- int item = -1;
- q.dequeue(item);
- REQUIRE(item == 123456);
- }
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