mirror of
https://github.com/Cockatrice/Cockatrice.git
synced 2026-09-29 09:22:18 -07:00
218f89df72
Drives recordGap() directly to cover the threshold, plausibility cap, trim, and clear behavior without timing-dependent waits. Took 36 seconds
103 lines
2.9 KiB
C++
103 lines
2.9 KiB
C++
#include "client/lag_monitor.h"
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#include <QCoreApplication>
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#include <QDateTime>
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#include <QEvent>
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#include <QLoggingCategory>
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#include <gtest/gtest.h>
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namespace
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{
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/// Timestamps are taken at recording time; allow generous scheduler slack.
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constexpr qint64 TIMESTAMP_SLACK_MS = 10000;
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} // namespace
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class LagMonitorTest : public ::testing::Test
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{
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protected:
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LagMonitor monitor;
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};
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TEST_F(LagMonitorTest, GapAtOrBelowThresholdIsIgnored)
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{
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monitor.recordGap(0);
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monitor.recordGap(LagMonitor::TICK_INTERVAL_MS);
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monitor.recordGap(LagMonitor::STALL_THRESHOLD_MS);
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EXPECT_TRUE(monitor.recentStalls().isEmpty());
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}
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TEST_F(LagMonitorTest, GapAboveThresholdIsRecorded)
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{
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monitor.recordGap(LagMonitor::STALL_THRESHOLD_MS + 1);
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const QList<LagMonitor::StallRecord> stalls = monitor.recentStalls();
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ASSERT_EQ(1, stalls.size());
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EXPECT_EQ(LagMonitor::STALL_THRESHOLD_MS + 1, stalls.first().durationMs);
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}
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TEST_F(LagMonitorTest, RecordedTimestampIsFresh)
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{
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monitor.recordGap(LagMonitor::STALL_THRESHOLD_MS + 1);
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const qint64 now = QDateTime::currentMSecsSinceEpoch();
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ASSERT_EQ(1, monitor.recentStalls().size());
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EXPECT_LE(qAbs(monitor.recentStalls().first().timestampMsSinceEpoch - now), TIMESTAMP_SLACK_MS);
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}
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TEST_F(LagMonitorTest, RecordsAreTrimmedToMaxOldestFirst)
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{
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for (int i = 0; i < LagMonitor::MAX_RECORDED_STALLS + 5; ++i) {
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monitor.recordGap(LagMonitor::STALL_THRESHOLD_MS + 1 + i);
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}
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const QList<LagMonitor::StallRecord> stalls = monitor.recentStalls();
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ASSERT_EQ(LagMonitor::MAX_RECORDED_STALLS, stalls.size());
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EXPECT_EQ(LagMonitor::STALL_THRESHOLD_MS + 6, stalls.first().durationMs);
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EXPECT_EQ(LagMonitor::STALL_THRESHOLD_MS + 5 + LagMonitor::MAX_RECORDED_STALLS, stalls.last().durationMs);
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}
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TEST_F(LagMonitorTest, GapAtPlausibilityCapIsKept)
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{
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monitor.recordGap(LagMonitor::MAX_PLAUSIBLE_STALL_MS);
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ASSERT_EQ(1, monitor.recentStalls().size());
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EXPECT_EQ(LagMonitor::MAX_PLAUSIBLE_STALL_MS, monitor.recentStalls().first().durationMs);
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}
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TEST_F(LagMonitorTest, GapBeyondPlausibilityCapIsDropped)
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{
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monitor.recordGap(LagMonitor::MAX_PLAUSIBLE_STALL_MS + 1);
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EXPECT_TRUE(monitor.recentStalls().isEmpty());
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}
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TEST_F(LagMonitorTest, ClearStallsEmptiesList)
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{
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monitor.recordGap(LagMonitor::STALL_THRESHOLD_MS + 1);
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ASSERT_EQ(1, monitor.recentStalls().size());
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monitor.clearStalls();
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EXPECT_TRUE(monitor.recentStalls().isEmpty());
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}
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TEST_F(LagMonitorTest, ApplicationStateChangeDoesNotRecordAStall)
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{
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QObject probe;
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QEvent event(QEvent::ApplicationStateChange);
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QCoreApplication::sendEvent(&probe, &event);
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EXPECT_TRUE(monitor.recentStalls().isEmpty());
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}
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int main(int argc, char **argv)
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{
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QLoggingCategory::setFilterRules("lag_monitor.*=false");
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QCoreApplication app(argc, argv);
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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