<!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>