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Bug 1253499 - Add mochitest for live-updating scaleResolutionDownBy. r=jib 

Differential Revision: https://phabricator.services.mozilla.com/D4127

--HG--
extra : moz-landing-system : lando
This commit is contained in:
Andreas Pehrson 2018-09-19 15:00:02 +00:00
Родитель f389699776
Коммит ed6cf715a9
2 изменённых файлов: 82 добавлений и 0 удалений
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2
dom/media/tests/mochitest/mochitest.ini
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@ -256,6 +256,8 @@ skip-if = android_version == '18' # android(Bug 1189784, timeouts on 4.3 emulato
[test_peerConnection_setLocalOfferInHaveRemoteOffer.html] [test_peerConnection_setLocalOfferInHaveRemoteOffer.html]
[test_peerConnection_setParameters.html] [test_peerConnection_setParameters.html]
skip-if = (android_version == '18') # android(Bug 1189784, timeouts on 4.3 emulator) skip-if = (android_version == '18') # android(Bug 1189784, timeouts on 4.3 emulator)
[test_peerConnection_setParameters_scaleResolutionDownBy.html]
skip-if = (android_version == '18') # android(Bug 1189784, timeouts on 4.3 emulator)
[test_peerConnection_setRemoteAnswerInHaveRemoteOffer.html] [test_peerConnection_setRemoteAnswerInHaveRemoteOffer.html]
[test_peerConnection_setRemoteAnswerInStable.html] [test_peerConnection_setRemoteAnswerInStable.html]
[test_peerConnection_setRemoteOfferInHaveLocalOffer.html] [test_peerConnection_setRemoteOfferInHaveLocalOffer.html]

80
dom/media/tests/mochitest/test_peerConnection_setParameters_scaleResolutionDownBy.html Normal file
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@ -0,0 +1,80 @@
<!DOCTYPE HTML>
<html>
<head>
<script type="application/javascript" src="pc.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript">
createHTML({
bug: "1253499",
title: "Live-updating scaleResolutionDownBy"
});
let sender, localElem, remoteElem;
let originalWidth, originalAspectRatio, originalScale;
async function checkScaleDownBy(scale) {
sender.setParameters({ encodings: [{ scaleResolutionDownBy: scale }] });
await haveEvent(remoteElem, "resize", wait(5000, new Error("Timeout")));
// Find the expected resolution. Internally we pick the closest lower
// resolution with an identical aspect ratio.
let expectedWidth = Math.floor(originalWidth / scale);
while (expectedWidth / originalAspectRatio % 1 != 0) {
--expectedWidth;
}
is(remoteElem.videoWidth, expectedWidth,
`Width should have scaled down by ${scale}`);
is(remoteElem.videoHeight, expectedWidth / originalAspectRatio,
`Height should have scaled down by ${scale}`);
}
runNetworkTest(async function (options) {
await pushPrefs(['media.peerconnection.video.lock_scaling', true]);
let test = new PeerConnectionTest(options);
test.setMediaConstraints([{video: true}], []);
test.chain.append([
function CHECK_PRECONDITIONS() {
is(test.pcLocal._pc.getSenders().length, 1,
"Should have 1 local sender");
is(test.pcLocal.localMediaElements.length, 1,
"Should have 1 local sending media element");
is(test.pcRemote.remoteMediaElements.length, 1,
"Should have 1 remote media element");
sender = test.pcLocal._pc.getSenders()[0];
localElem = test.pcLocal.localMediaElements[0];
remoteElem = test.pcRemote.remoteMediaElements[0];
remoteElem.addEventListener("resize", () =>
info(`Video resized to ${remoteElem.videoWidth}x${remoteElem.videoHeight}`));
originalWidth = localElem.videoWidth;
originalAspectRatio = originalWidth / localElem.videoHeight;
originalScale = remoteElem.videoWidth / originalWidth;
info(`Original width is ${originalWidth}`);
},
function PC_LOCAL_SCALEDOWNBY_2() {
return checkScaleDownBy(2);
},
function PC_LOCAL_SCALEDOWNBY_4() {
return checkScaleDownBy(4);
},
function PC_LOCAL_SCALEDOWNBY_15() {
return checkScaleDownBy(15);
},
function PC_LOCAL_SCALEDOWNBY_8() {
return checkScaleDownBy(8);
},
function PC_LOCAL_SCALEDOWNBY_1() {
return checkScaleDownBy(1);
},
]);
test.run();
});
</script>
</pre>
</body>
</html>