64 lines
1.3 KiB
C++
64 lines
1.3 KiB
C++
#include <google/gtest/gtest.h>
|
|
|
|
#include "../../../implementations/caching/PeriodicTask.h"
|
|
|
|
#include <mutex>
|
|
#include <condition_variable>
|
|
#include <atomic>
|
|
|
|
using ::testing::Test;
|
|
using std::mutex;
|
|
using std::unique_lock;
|
|
using std::condition_variable;
|
|
|
|
using namespace blockstore::caching;
|
|
|
|
class AtomicCounter {
|
|
public:
|
|
AtomicCounter(int count): _mutex(), _cv(), _counter(count) {}
|
|
|
|
void decrease() {
|
|
unique_lock<mutex> lock(_mutex);
|
|
--_counter;
|
|
_cv.notify_all();
|
|
}
|
|
|
|
void waitForZero() {
|
|
unique_lock<mutex> lock(_mutex);
|
|
_cv.wait(lock, [this] () {return _counter <= 0;});
|
|
}
|
|
private:
|
|
mutex _mutex;
|
|
condition_variable _cv;
|
|
int _counter;
|
|
};
|
|
|
|
class PeriodicTaskTest: public Test {
|
|
};
|
|
|
|
TEST_F(PeriodicTaskTest, DoesntDeadlockInDestructorWhenDestructedImmediately) {
|
|
PeriodicTask task([](){}, 1);
|
|
}
|
|
|
|
TEST_F(PeriodicTaskTest, CallsCallbackAtLeast10Times) {
|
|
AtomicCounter counter(10);
|
|
|
|
PeriodicTask task([&counter](){
|
|
counter.decrease();
|
|
}, 0.001);
|
|
|
|
counter.waitForZero();
|
|
}
|
|
|
|
TEST_F(PeriodicTaskTest, DoesntCallCallbackAfterDestruction) {
|
|
std::atomic<int> callCount(0);
|
|
{
|
|
PeriodicTask task([&callCount](){
|
|
callCount += 1;
|
|
}, 0.001);
|
|
}
|
|
int callCountDirectlyAfterDestruction = callCount;
|
|
boost::this_thread::sleep_for(boost::chrono::seconds(1));
|
|
EXPECT_EQ(callCountDirectlyAfterDestruction, callCount);
|
|
}
|