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