64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
#define CATCH_CONFIG_RUNNER
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#include "util/SafeSignal.hpp"
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#include <glibmm.h>
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#include <catch2/catch.hpp>
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#include <thread>
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#include "GlibTestsFixture.hpp"
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using namespace waybar;
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/**
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* Basic sanity test for SafeSignal:
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* check that type deduction works, events are delivered and the order is right
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* Running this with -fsanitize=thread should not fail
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*/
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TEST_CASE_METHOD(GlibTestsFixture, "SafeSignal basic functionality", "[signal][thread][util]") {
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const int NUM_EVENTS = 100;
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int count = 0;
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int last_value = 0;
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SafeSignal<int, std::string> test_signal;
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const auto main_tid = std::this_thread::get_id();
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std::thread producer;
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// timeout the test in 500ms
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Glib::signal_timeout().connect_once([]() { throw std::runtime_error("Test timed out"); }, 500);
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test_signal.connect([&](auto val, auto str) {
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static_assert(std::is_same<int, decltype(val)>::value);
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static_assert(std::is_same<std::string, decltype(str)>::value);
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// check that we're in the same thread as the main loop
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REQUIRE(std::this_thread::get_id() == main_tid);
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// check event order
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REQUIRE(val == last_value + 1);
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last_value = val;
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if (++count >= NUM_EVENTS) {
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this->quit();
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};
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});
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run([&]() {
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// check that events from the same thread are delivered and processed synchronously
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test_signal.emit(1, "test");
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REQUIRE(count == 1);
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// start another thread and generate events
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producer = std::thread([&]() {
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for (auto i = 2; i <= NUM_EVENTS; ++i) {
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test_signal.emit(i, "test");
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}
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});
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});
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producer.join();
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REQUIRE(count == NUM_EVENTS);
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}
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int main(int argc, char* argv[]) {
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Glib::init();
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return Catch::Session().run(argc, argv);
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}
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