d398a6ced2
- CitrineOS core extracted (CSMS OCPP 2.0.1) - OpenOCPP extracted (firmware OCPP 1.6J/2.0.1) - ShapeShifter library installed (pip install -e) - ShapeShifter specification extracted - EVerest extracted TODO updated with progress
67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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// Copyright Pionix GmbH and Contributors to EVerest
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#include <atomic>
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#include <chrono>
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#include <thread>
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#include <gtest/gtest.h>
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#include <everest/timer.hpp>
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namespace libtimer {
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class LibTimerUnitTest : public ::testing::Test {
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protected:
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void SetUp() override {
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}
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void TearDown() override {
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}
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};
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TEST_F(LibTimerUnitTest, just_an_example) {
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ASSERT_TRUE(1 == 1);
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}
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// Regression: callback re-arms its own timer; pre-fix destructor deadlocks here.
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TEST_F(LibTimerUnitTest, destructor_does_not_deadlock_on_reentrant_callback) {
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std::atomic<bool> finished{false};
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std::atomic<int> fire_count{0};
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std::thread watchdog([&finished]() {
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for (int i = 0; i < 50; ++i) {
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std::this_thread::sleep_for(std::chrono::milliseconds(100));
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if (finished.load()) {
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return;
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}
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}
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ADD_FAILURE() << "Timer destructor deadlocked on re-entrant callback";
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finished.store(true);
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});
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{
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Everest::SteadyTimer timer;
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std::atomic<bool> in_callback{false};
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timer.interval(
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[&timer, &fire_count, &in_callback]() {
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in_callback.store(true);
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fire_count.fetch_add(1);
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// Sleep long enough for the main thread to enter ~Timer and start
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// blocking on the mutex before this callback calls stop().
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std::this_thread::sleep_for(std::chrono::milliseconds(200));
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timer.stop();
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in_callback.store(false);
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},
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std::chrono::milliseconds(1));
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while (!in_callback.load()) {
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std::this_thread::sleep_for(std::chrono::milliseconds(1));
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}
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}
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finished.store(true);
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watchdog.join();
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EXPECT_GE(fire_count.load(), 1);
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}
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} // namespace libtimer
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