SurfaceFlinger: add a test for unknown offset
Add a unit test that tries to get phase offset for a
refresh rate that is not part of the boot list.
The scenarios simulates an external display hotplug
with different refresh rate than the internal one.
Bug: 151859083
Test: adb shell /data/nativetest64/libsurfaceflinger_unittest/libsurfaceflinger_unittest
Change-Id: I3adee92b91d0c1a337c9a6ffd7431e7b854bbe0d
diff --git a/services/surfaceflinger/tests/unittests/PhaseOffsetsTest.cpp b/services/surfaceflinger/tests/unittests/PhaseOffsetsTest.cpp
index 910e73b..8d49201 100644
--- a/services/surfaceflinger/tests/unittests/PhaseOffsetsTest.cpp
+++ b/services/surfaceflinger/tests/unittests/PhaseOffsetsTest.cpp
@@ -42,25 +42,25 @@
appEarlyGlDuration) {}
};
-class PhaseOffsetsTest : public testing::Test {
+class PhaseDurationTest : public testing::Test {
protected:
- PhaseOffsetsTest()
- : mPhaseOffsets(60.0f, 10'500'000, 20'500'000, 16'000'000, 33'500'000, 13'500'000,
- 38'000'000) {}
+ PhaseDurationTest()
+ : mPhaseDurations(60.0f, 10'500'000, 20'500'000, 16'000'000, 33'500'000, 13'500'000,
+ 38'000'000) {}
- ~PhaseOffsetsTest() = default;
+ ~PhaseDurationTest() = default;
- TestablePhaseOffsetsAsDurations mPhaseOffsets;
+ TestablePhaseOffsetsAsDurations mPhaseDurations;
};
namespace {
/* ------------------------------------------------------------------------
* Test cases
*/
-TEST_F(PhaseOffsetsTest, getOffsetsForRefreshRate_60Hz) {
- mPhaseOffsets.setRefreshRateFps(60.0f);
- auto currentOffsets = mPhaseOffsets.getCurrentOffsets();
- auto offsets = mPhaseOffsets.getOffsetsForRefreshRate(60.0f);
+TEST_F(PhaseDurationTest, getOffsetsForRefreshRate_60Hz) {
+ mPhaseDurations.setRefreshRateFps(60.0f);
+ auto currentOffsets = mPhaseDurations.getCurrentOffsets();
+ auto offsets = mPhaseDurations.getOffsetsForRefreshRate(60.0f);
EXPECT_EQ(currentOffsets, offsets);
EXPECT_EQ(offsets.late.sf, 6'166'667);
@@ -76,10 +76,10 @@
EXPECT_EQ(offsets.earlyGl.app, 15'166'668);
}
-TEST_F(PhaseOffsetsTest, getOffsetsForRefreshRate_90Hz) {
- mPhaseOffsets.setRefreshRateFps(90.0f);
- auto currentOffsets = mPhaseOffsets.getCurrentOffsets();
- auto offsets = mPhaseOffsets.getOffsetsForRefreshRate(90.0f);
+TEST_F(PhaseDurationTest, getOffsetsForRefreshRate_90Hz) {
+ mPhaseDurations.setRefreshRateFps(90.0f);
+ auto currentOffsets = mPhaseDurations.getCurrentOffsets();
+ auto offsets = mPhaseDurations.getOffsetsForRefreshRate(90.0f);
EXPECT_EQ(currentOffsets, offsets);
EXPECT_EQ(offsets.late.sf, 611'111);
@@ -95,7 +95,7 @@
EXPECT_EQ(offsets.earlyGl.app, 4'055'555);
}
-TEST_F(PhaseOffsetsTest, getOffsetsForRefreshRate_DefaultOffsets) {
+TEST_F(PhaseDurationTest, getOffsetsForRefreshRate_DefaultOffsets) {
TestablePhaseOffsetsAsDurations phaseOffsetsWithDefaultValues(60.0f, -1, -1, -1, -1, -1, -1);
auto validateOffsets = [](auto& offsets) {
@@ -125,6 +125,54 @@
validateOffsets(offsets);
}
+TEST_F(PhaseDurationTest, getOffsetsForRefreshRate_unknownRefreshRate) {
+ auto offsets = mPhaseDurations.getOffsetsForRefreshRate(14.7f);
+
+ EXPECT_EQ(offsets.late.sf, 57'527'208);
+
+ EXPECT_EQ(offsets.late.app, 37'027'208);
+
+ EXPECT_EQ(offsets.early.sf, 52'027'208);
+
+ EXPECT_EQ(offsets.early.app, 18'527'208);
+
+ EXPECT_EQ(offsets.earlyGl.sf, 54'527'208);
+
+ EXPECT_EQ(offsets.earlyGl.app, 16'527'208);
+}
+
+} // namespace
+
+class TestablePhaseOffsets : public impl::PhaseOffsets {
+public:
+ TestablePhaseOffsets() : impl::PhaseOffsets({60.0f, 90.0f}, 60.0f, 10'000'000) {}
+};
+
+class PhaseOffsetsTest : public testing::Test {
+protected:
+ PhaseOffsetsTest() = default;
+ ~PhaseOffsetsTest() = default;
+
+ TestablePhaseOffsets mPhaseOffsets;
+};
+
+namespace {
+TEST_F(PhaseOffsetsTest, getOffsetsForRefreshRate_unknownRefreshRate) {
+ auto offsets = mPhaseOffsets.getOffsetsForRefreshRate(14.7f);
+
+ EXPECT_EQ(offsets.late.sf, 1'000'000);
+
+ EXPECT_EQ(offsets.late.app, 1'000'000);
+
+ EXPECT_EQ(offsets.early.sf, 1'000'000);
+
+ EXPECT_EQ(offsets.early.app, 1'000'000);
+
+ EXPECT_EQ(offsets.earlyGl.sf, 1'000'000);
+
+ EXPECT_EQ(offsets.earlyGl.app, 1'000'000);
+}
+
} // namespace
} // namespace scheduler
} // namespace android