def testOneFrameDelta(self):
timestamps = self._CreateUniformTimestamps(0, 10, self.refresh_period)
results = self._CreateDictionaryFromResults(
SurfaceStatsCollector._CalculateResults(
self.refresh_period, timestamps, ''))
self.assertEquals(results['avg_surface_fps'].value,
int(round(1 / self.refresh_period)))
self.assertEquals(results['jank_count'].value, 0)
self.assertEquals(results['max_frame_delay'].value, 1)
self.assertEquals(len(results['frame_lengths'].value), len(timestamps) - 1)
def testSomeFramesTooShort(self):
timestamps = self._CreateUniformTimestamps(0, 5, self.refresh_period)
# The following timestamps should be skipped.
timestamps += self._CreateUniformTimestamps(timestamps[4], 5,
self.refresh_period / 100)
timestamps += self._CreateUniformTimestamps(timestamps[4], 5,
self.refresh_period)
results = self._CreateDictionaryFromResults(
SurfaceStatsCollector._CalculateResults(self.refresh_period,
timestamps, ''))
self.assertEquals(len(results['frame_lengths'].value), 9)
def testSomeFramesTooShort(self):
timestamps = self._CreateUniformTimestamps(0, 5, self.refresh_period)
# The following timestamps should be skipped.
timestamps += self._CreateUniformTimestamps(timestamps[4],
5,
self.refresh_period / 100)
timestamps += self._CreateUniformTimestamps(timestamps[4],
5,
self.refresh_period)
results = self._CreateDictionaryFromResults(
SurfaceStatsCollector._CalculateResults(
self.refresh_period, timestamps, ''))
self.assertEquals(len(results['frame_lengths'].value), 9)
