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Issue 9960063:
CNS seek tests for <video>. (Closed)
Base URL: http://git.chromium.org/chromium/src.git@master| Index: chrome/test/data/media/html/media_seek.html |
| diff --git a/chrome/test/data/media/html/media_seek.html b/chrome/test/data/media/html/media_seek.html |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..1982aeb9712871567d4b357675f6aa416030f6f8 |
| --- /dev/null |
| +++ b/chrome/test/data/media/html/media_seek.html |
| @@ -0,0 +1,132 @@ |
| +<!-- Used by media_seek_perf to record seek perf metrics. --> |
| +<!DOCTYPE html> |
| +<html lang="en-US"> |
| + <head> |
| + <title>CNS Seek Tests</title> |
| + <script src="utils.js" type="text/javascript"></script> |
| + </head> |
| + |
| + <body> |
| + <video controls></video> |
| + <div></div> |
| + </body> |
| + |
| + <script type="text/javascript"> |
| + var video = document.querySelector("video"); |
| + var logDiv = document.querySelector("div"); |
| + var ITERATIONS = 3; |
| + |
| + var SeekTestCase = { |
| + SHORT_SEEK: 0, |
| + LONG_SEEK: 1, |
| + BUFFERED_SEEK: 2 |
| + } |
| + |
| + var CachedState = { |
| + UNCACHED: 0, |
| + CACHED: 1 |
| + } |
| + |
| + function log(text) { |
| + logDiv.innerText += text + "\n"; |
| + } |
| + |
| + function resetSeekRecords() { |
| + seekRecords = []; |
| + for (cache_value in Object.keys(CachedState)) { |
|
DaleCurtis
2012/04/23 22:56:20
Why the change to cache_value? Aren't we reading t
shadi
2012/04/23 23:24:28
Well, Object.keys(CachedState) is ["UNCACHED", "CA
|
| + seekRecords[cache_value] = []; |
| + for (seek_value in Object.keys(SeekTestCase)) { |
|
DaleCurtis
2012/04/23 22:56:20
Ditto.
shadi
2012/04/23 23:24:28
Done.
|
| + seekRecords[cache_value][seek_value] = []; |
| + } |
| + } |
| + } |
| + |
| + // Called by the PyAuto controller to initiate testing. |
| + function startTest(src) { |
| + if (window.domAutomationController) |
| + window.domAutomationController.send(true); |
| + |
| + resetSeekRecords(); |
| + endTest = false; |
| + errorMsg = ""; |
| + timer = new Timer(); |
| + |
| + video.addEventListener("playing", playing); |
| + video.addEventListener("seeked", seeked); |
| + video.addEventListener("error", |
| + function() { end("Error loading media"); }); |
| + originalSrc = src; |
| + log("Running tests on " + originalSrc); |
| + log("Starting seek tests without browser caching:"); |
| + cacheState = CachedState.UNCACHED; |
| + iteration = 0; |
| + IterationTest(); |
| + } |
| + |
| + function IterationTest() { |
| + if (iteration < ITERATIONS) { |
| + iteration++; |
| + log("Test iteration " + iteration); |
| + seekState = SeekTestCase.SHORT_SEEK; |
| + video.src = getVideoSrc(); |
| + video.play(); |
| + } else if (cacheState == CachedState.UNCACHED) { |
| + log("Starting seek tests with browser caching:"); |
| + cacheState = CachedState.CACHED; |
| + iteration = 0; |
| + IterationTest(); |
| + } else { |
| + endTest = true; |
| + } |
| + } |
| + |
| + function getVideoSrc() { |
| + if (cacheState == CachedState.UNCACHED) { |
| + return GenerateUniqueURL(originalSrc); |
| + } else { |
| + return video.src; |
| + } |
| + } |
| + |
| + function playing() { |
| + if (seekState == SeekTestCase.SHORT_SEEK) { |
| + timer.start(); |
| + video.currentTime = 1; |
| + } |
| + } |
| + |
| + function seeked() { |
| + delta = timer.stop(); |
| + switch (seekState) { |
| + case SeekTestCase.SHORT_SEEK: |
| + seekRecords[cacheState][SeekTestCase.SHORT_SEEK].push(delta); |
| + log ("short seek in " + delta + "ms.") |
| + seekState = SeekTestCase.LONG_SEEK; |
| + timer.start(); |
| + video.currentTime = video.duration - 1; |
| + break; |
| + // Seek to almost end of file (unbuffered area). |
| + case SeekTestCase.LONG_SEEK: |
| + seekRecords[cacheState][SeekTestCase.LONG_SEEK].push(delta); |
| + log("long seek in " + delta + "ms.") |
| + seekState = SeekTestCase.BUFFERED_SEEK; |
| + timer.start(); |
| + video.currentTime = 1; |
| + break; |
| + case SeekTestCase.BUFFERED_SEEK: |
| + seekRecords[cacheState][SeekTestCase.BUFFERED_SEEK].push(delta); |
| + log("buffered seek in " + delta + "ms.") |
| + IterationTest(); |
| + break; |
| + default: |
| + end("An un-expected seek occured."); |
| + } |
| + } |
| + |
| + function end(msg) { |
| + errorMsg = msg; |
| + endTest = true; |
| + log(msg); |
| + } |
| + </script> |
| +</html> |
