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Bug 1223052 - Add a gtest to test that the vsync source supplies a proper vsync rate. r=kats

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This commit is contained in:
Mason Chang 2015-11-09 19:10:26 -08:00
parent 65ce43a8e8
commit 157fa6969b
1 changed files with 9 additions and 0 deletions
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9
gfx/tests/gtest/TestVsync.cpp
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@ -195,3 +195,12 @@ TEST_F(VsyncTester, ChildRefreshDriverGetVsyncNotifications)
vsyncDispatcher = nullptr;
testVsyncObserver = nullptr;
}
// Test that we can read the vsync rate
TEST_F(VsyncTester, VsyncSourceHasVsyncRate)
{
VsyncSource::Display& globalDisplay = mVsyncSource->GetGlobalDisplay();
TimeDuration vsyncRate = globalDisplay.GetVsyncRate();
ASSERT_NE(vsyncRate, TimeDuration::Forever());
ASSERT_GT(vsyncRate.ToMilliseconds(), 0);
}