157 lines
4.1 KiB
HTML
157 lines
4.1 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=1041393
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-->
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<head>
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<meta charset="utf-8">
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<title>ImageCapture tests</title>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1041393">ImageCapture tests</a>
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<script type="application/javascript">
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var repeat = 100;
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var count;
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// Check if the callback returns even no JS reference on it.
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function gcTest(track) {
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return new Promise(function(resolve, reject) {
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count = 0;
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var i;
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var imageCapture;
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for(i = 0; i < repeat; i++) {
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imageCapture = new ImageCapture(track);
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imageCapture.onphoto = function(blob) {
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count++;
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if (count == repeat) {
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ok(true, "pass gc testing");
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resolve(track);
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}
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};
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imageCapture.onerror = function(error) {
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ok(false, "takePhoto failure in gc testing");
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reject();
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};
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imageCapture.takePhoto();
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}
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info("Call gc ");
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SpecialPowers.gc();
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});
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}
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// Continue calling takePhoto() in rapid succession.
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function rapidTest(track) {
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return new Promise(function(resolve, reject) {
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var imageCapture = new ImageCapture(track);
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imageCapture.onphoto = function(blob) {
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count++;
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if (count == repeat) {
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ok(true, "pass raipd takePhoto() testing");
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resolve(track);
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}
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};
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imageCapture.onerror = function(error) {
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ok(false, "takePhoto() failure in rapid testing");
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reject();
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};
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count = 0;
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var i;
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for(i = 0; i < repeat; i++) {
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imageCapture.takePhoto();
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}
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});
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}
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// Check if the blob is decodable.
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function blobTest(track) {
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return new Promise(function(resolve, reject) {
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var imageCapture = new ImageCapture(track);
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imageCapture.onphoto = function(blob) {
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var img = new Image();
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img.onerror = function() {
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ok(false, "fail to decode blob");
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reject();
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}
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img.onload = function() {
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ok(true, "decode blob success");
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resolve(track);
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}
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img.src = URL.createObjectURL(blob.data);
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};
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imageCapture.onerror = function(error) {
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ok(false, "fail to capture image");
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};
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imageCapture.takePhoto();
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});
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}
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// It should return an error event after disabling video track.
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function trackTest(track) {
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return new Promise(function(resolve, reject) {
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var imageCapture = new ImageCapture(track);
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imageCapture.onphoto = function(blob) {
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ok(false, "expect error when video track is disable");
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reject();
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};
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imageCapture.onerror = function(error) {
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ok(error.imageCaptureError.code == error.imageCaptureError.PHOTO_ERROR, "error code is PHOTO_ERROR")
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track.enabled = true;
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resolve(track);
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};
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track.enabled = false;
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imageCapture.takePhoto()
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});
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}
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function init() {
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return new Promise(function(resolve, reject) {
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// use fake camera, MediaStreamGraph will be the backend of ImageCapture.
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var constraints = {video: true, fake: true}
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window.navigator.mozGetUserMedia(
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constraints,
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function(stream) {
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var track = stream.getVideoTracks()[0];
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resolve(track);
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},
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function(err) {
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reject(err);
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}
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);
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});
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}
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function start() {
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init().then(function(track) {
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info("ImageCapture track disable test.");
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return trackTest(track);
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}).then(function(track) {
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info("ImageCapture blob test.");
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return blobTest(track);
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}).then(function(track) {
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info("ImageCapture rapid takePhoto() test.");
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return rapidTest(track);
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}).then(function(track) {
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info("ImageCapture multiple instances test.");
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return gcTest(track);
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}).then(SimpleTest.finish);
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}
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SimpleTest.requestCompleteLog();
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SimpleTest.waitForExplicitFinish();
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SpecialPowers.pushPrefEnv({"set": [["dom.imagecapture.enabled", true],
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["media.navigator.permission.disabled", true]
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]}, start);
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</script>
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</pre>
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</body>
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</html>
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