| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "flutter/flow/stopwatch.h" |
| #include "fml/time/time_delta.h" |
| #include "gmock/gmock.h" // IWYU pragma: keep |
| #include "gtest/gtest.h" |
| |
| using testing::Return; |
| |
| namespace flutter { |
| namespace testing { |
| |
| class FakeRefreshRateUpdater : public Stopwatch::RefreshRateUpdater { |
| public: |
| fml::Milliseconds GetFrameBudget() const override { return budget_; } |
| |
| void SetFrameBudget(fml::Milliseconds budget) { budget_ = budget; } |
| |
| private: |
| fml::Milliseconds budget_; |
| }; |
| |
| TEST(Instrumentation, GetDefaultFrameBudgetTest) { |
| fml::Milliseconds frame_budget_60fps = fml::RefreshRateToFrameBudget(60); |
| // The default constructor sets the frame_budget to 16.6667 (60 fps). |
| FixedRefreshRateStopwatch stopwatch; |
| fml::Milliseconds actual_frame_budget = stopwatch.GetFrameBudget(); |
| EXPECT_EQ(frame_budget_60fps, actual_frame_budget); |
| } |
| |
| TEST(Instrumentation, GetOneShotFrameBudgetTest) { |
| fml::Milliseconds frame_budget_90fps = fml::RefreshRateToFrameBudget(90); |
| FixedRefreshRateStopwatch stopwatch(frame_budget_90fps); |
| fml::Milliseconds actual_frame_budget = stopwatch.GetFrameBudget(); |
| EXPECT_EQ(frame_budget_90fps, actual_frame_budget); |
| } |
| |
| TEST(Instrumentation, GetFrameBudgetFromUpdaterTest) { |
| FakeRefreshRateUpdater updater; |
| fml::Milliseconds frame_budget_90fps = fml::RefreshRateToFrameBudget(90); |
| updater.SetFrameBudget(frame_budget_90fps); |
| |
| Stopwatch stopwatch(updater); |
| fml::Milliseconds actual_frame_budget = stopwatch.GetFrameBudget(); |
| EXPECT_EQ(frame_budget_90fps, actual_frame_budget); |
| } |
| |
| TEST(Instrumentation, GetLapByIndexTest) { |
| fml::Milliseconds frame_budget_90fps = fml::RefreshRateToFrameBudget(90); |
| FixedRefreshRateStopwatch stopwatch(frame_budget_90fps); |
| stopwatch.SetLapTime(fml::TimeDelta::FromMilliseconds(10)); |
| EXPECT_EQ(stopwatch.GetLap(1), fml::TimeDelta::FromMilliseconds(10)); |
| } |
| |
| TEST(Instrumentation, GetCurrentSampleTest) { |
| fml::Milliseconds frame_budget_90fps = fml::RefreshRateToFrameBudget(90); |
| FixedRefreshRateStopwatch stopwatch(frame_budget_90fps); |
| stopwatch.Start(); |
| stopwatch.Stop(); |
| EXPECT_EQ(stopwatch.GetCurrentSample(), size_t(1)); |
| } |
| |
| TEST(Instrumentation, GetLapsCount) { |
| fml::Milliseconds frame_budget_90fps = fml::RefreshRateToFrameBudget(90); |
| FixedRefreshRateStopwatch stopwatch(frame_budget_90fps); |
| stopwatch.SetLapTime(fml::TimeDelta::FromMilliseconds(10)); |
| EXPECT_EQ(stopwatch.GetLapsCount(), size_t(120)); |
| } |
| |
| } // namespace testing |
| } // namespace flutter |