Index: tracing/tracing/metrics/media_metric_test.html |
diff --git a/tracing/tracing/metrics/media_metric_test.html b/tracing/tracing/metrics/media_metric_test.html |
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index 0000000000000000000000000000000000000000..64ea02b4b2ea74c171096660d8a55d7b914f8704 |
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+<!DOCTYPE html> |
+<!-- |
+Copyright 2017 The Chromium Authors. All rights reserved. |
+Use of this source code is governed by a BSD-style license that can be |
+found in the LICENSE file. |
+--> |
+ |
+<link rel="import" href="/tracing/core/test_utils.html"> |
+<link rel="import" href="/tracing/extras/importer/trace_event_importer.html"> |
+<link rel="import" href="/tracing/metrics/media_metric.html"> |
+<link rel="import" href="/tracing/value/histogram_set.html"> |
+ |
+<script> |
+'use strict'; |
+ |
+tr.b.unittest.testSuite(function() { |
+ function makeModel(events) { |
+ return tr.c.TestUtils.newModelWithEvents([events]); |
+ } |
+ |
+ test('mediaMetric_noData', function() { |
+ const histograms = new tr.v.HistogramSet(); |
+ const events = [ |
+ {name: 'a', args: {}, pid: 52, ts: 524, cat: 'foo', tid: 53, ph: 'B'}, |
+ {name: 'a', args: {}, pid: 52, ts: 560, cat: 'foo', tid: 53, ph: 'B'} |
+ ]; |
+ tr.metrics.mediaMetric(histograms, makeModel(events)); |
+ assert.lengthOf(histograms, 0); |
+ }); |
+ |
+ test('mediaMetric_videoTimeToPlay', function() { |
+ const histograms = new tr.v.HistogramSet(); |
+ const events = [ |
+ {name: 'WebMediaPlayerImpl::DoLoad', args: {}, |
+ pid: 52, ts: 524, cat: 'media', tid: 1, ph: 'X'}, |
+ {name: 'VideoRendererImpl::Render', args: {}, |
+ pid: 52, ts: 560, cat: 'media', tid: 53, ph: 'X'}, |
+ {name: 'VideoRendererImpl::Render', args: {}, |
+ pid: 52, ts: 580, cat: 'media', tid: 53, ph: 'X'}, |
+ {name: 'thread_name', args: {name: 'CrRendererMain'}, |
+ pid: 52, ts: 0, cat: '__metadata', tid: 1, ph: 'M'}, |
+ {name: 'thread_name', args: {name: 'Compositor'}, |
+ pid: 52, ts: 0, cat: '__metadata', tid: 53, ph: 'M'}, |
+ ]; |
+ tr.metrics.mediaMetric(histograms, makeModel(events)); |
+ |
+ assert.isDefined(histograms.getHistogramNamed('time_to_video_play')); |
+ const ttpValue = histograms.getHistogramNamed('time_to_video_play'); |
+ const ttpStatistics = ttpValue.running; |
+ assert.strictEqual(ttpStatistics.count, 1); |
+ assert.closeTo(ttpStatistics.mean, 0.036, 1e-5); |
+ assert.closeTo(ttpStatistics.max, 0.036, 1e-5); |
+ }); |
+ |
+ test('mediaMetric_audioTimeToPlay', function() { |
+ const histograms = new tr.v.HistogramSet(); |
+ const events = [ |
+ {name: 'thread_name', args: {name: 'CrRendererMain'}, |
+ pid: 52, ts: 0, cat: '__metadata', tid: 1, ph: 'M'}, |
+ {name: 'thread_name', args: {name: 'AudioOutputDevice'}, |
+ pid: 52, ts: 0, cat: '__metadata', tid: 53, ph: 'M'}, |
+ {name: 'WebMediaPlayerImpl::DoLoad', args: {}, |
+ pid: 52, ts: 1234, cat: 'media', tid: 1, ph: 'X'}, |
+ {name: 'AudioRendererImpl::Render', args: {}, |
+ pid: 52, ts: 4321, cat: 'media', tid: 53, ph: 'X'}, |
+ ]; |
+ tr.metrics.mediaMetric(histograms, makeModel(events)); |
+ |
+ assert.isDefined(histograms.getHistogramNamed('time_to_audio_play')); |
+ const ttpValue = histograms.getHistogramNamed('time_to_audio_play'); |
+ const ttpStatistics = ttpValue.running; |
+ assert.strictEqual(ttpStatistics.count, 1); |
+ assert.closeTo(ttpStatistics.mean, 3.087, 1e-5); |
+ assert.closeTo(ttpStatistics.max, 3.087, 1e-5); |
+ }); |
+}); |
+</script> |