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#include "timer.h"
#include <library/cpp/testing/unittest/registar.h>
using namespace NMonitoring;
using namespace std::literals::chrono_literals;
class TCallback {
public:
explicit TCallback(int value)
: Value_(value){};
void operator()(std::chrono::high_resolution_clock::duration duration) {
Value_ = duration.count();
};
int Value_;
};
Y_UNIT_TEST_SUITE(TTimerTest) {
Y_UNIT_TEST(RecordValue) {
TTimerNs timerNs(1ns, 1s);
UNIT_ASSERT(timerNs.RecordValue(10us));
TTimerUs timerUs(1us, 1s);
UNIT_ASSERT(timerUs.RecordValue(10us));
THistogramSnapshot snapshot;
timerNs.TakeSnapshot(&snapshot);
UNIT_ASSERT_EQUAL(snapshot.Min, 10000);
UNIT_ASSERT_EQUAL(snapshot.Max, 10007);
UNIT_ASSERT_DOUBLES_EQUAL(snapshot.StdDeviation, 0.0, 1e-6);
timerUs.TakeSnapshot(&snapshot);
UNIT_ASSERT_EQUAL(snapshot.Min, 10);
UNIT_ASSERT_EQUAL(snapshot.Max, 10);
UNIT_ASSERT_DOUBLES_EQUAL(snapshot.StdDeviation, 0.0, 1e-6);
}
Y_UNIT_TEST(Measure) {
TTimerNs timer(1ns, 1s);
timer.Measure([]() {
Sleep(TDuration::MilliSeconds(1));
});
THistogramSnapshot snapshot;
timer.TakeSnapshot(&snapshot);
UNIT_ASSERT(snapshot.Min > std::chrono::nanoseconds(1ms).count());
UNIT_ASSERT(snapshot.Max > std::chrono::nanoseconds(1ms).count());
UNIT_ASSERT_DOUBLES_EQUAL(snapshot.StdDeviation, 0.0, 1e-6);
}
Y_UNIT_TEST(TimerScope) {
TTimerUs timer(1us, 1000s);
{
TTimerScope<TTimerUs> scope(&timer);
Sleep(TDuration::MilliSeconds(10));
}
THistogramSnapshot snapshot;
timer.TakeSnapshot(&snapshot);
UNIT_ASSERT(snapshot.Min > std::chrono::microseconds(10ms).count());
UNIT_ASSERT(snapshot.Max > std::chrono::microseconds(10ms).count());
UNIT_ASSERT_DOUBLES_EQUAL(snapshot.StdDeviation, 0.0, 1e-6);
}
Y_UNIT_TEST(TimerScopeWithCallback) {
TCallback callback(0);
TTimerUs timer(1us, 1000s);
{
TTimerScope<TTimerUs, TCallback> scope(&timer, &callback);
Sleep(TDuration::MilliSeconds(10));
}
THistogramSnapshot snapshot;
timer.TakeSnapshot(&snapshot);
UNIT_ASSERT(snapshot.Min > std::chrono::microseconds(10ms).count());
UNIT_ASSERT(snapshot.Max > std::chrono::microseconds(10ms).count());
UNIT_ASSERT_DOUBLES_EQUAL(snapshot.StdDeviation, 0.0, 1e-6);
UNIT_ASSERT(callback.Value_ > std::chrono::microseconds(10ms).count());
}
}
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