The Tor Browser: dom/media/tests/mochitest/constraints.js@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 /**

     6   Tests covering gUM constraints API for audio, video and fake video. Exercise

     7   successful parsing code and ensure that unknown required constraints and

     8   overconstraining cases produce appropriate errors.

    10   TODO(jib): Merge desktop and mobile version of these tests again.

    11 */

    12 var common_tests = [

    13   // Each test here tests a different constraint or codepath.

    14   { message: "unknown required constraint on video fails",

    15     constraints: { video: { somethingUnknown:0, require:["somethingUnknown"] },

    16                    fake: true },

    17     error: "NO_DEVICES_FOUND" },

    18   { message: "unknown required constraint on audio fails",

    19     constraints: { audio: { somethingUnknown:0, require:["somethingUnknown"] },

    20                    fake: true },

    21     error: "NO_DEVICES_FOUND" },

    22   { message: "video overconstrained by facingMode fails",

    23     constraints: { video: { facingMode:'left', require:["facingMode"] },

    24                    fake: true },

    25     error: "NO_DEVICES_FOUND" },

    26   { message: "audio overconstrained by facingMode fails",

    27     constraints: { audio: { facingMode:'left', require:["facingMode"] },

    28                    fake: true },

    29     error: "NO_DEVICES_FOUND" },

    30   { message: "Success-path: optional video facingMode + audio ignoring facingMode",

    31     constraints: { fake: true,

    32                    audio: { facingMode:'left',

    33                             foo:0,

    34                             advanced: [{ facingMode:'environment' },

    35                                        { facingMode:'user' },

    36                                        { bar:0 }] },

    37                    video: { // TODO: Bug 767924 sequences in unions

    38                             //facingMode:['left', 'right', 'user', 'environment'],

    39                             //require:["facingMode"],

    40                             facingMode:'left',

    41                             foo:0,

    42                             advanced: [{ facingMode:'environment' },

    43                                        { facingMode:'user' },

    44                                        { bar:0 }] } },

    45     error: null }

    46 ];

    49 /**

    50  * Starts the test run by running through each constraint

    51  * test by verifying that the right callback and error message is fired.

    52  */

    54 function testConstraints(tests) {

    55   var i = 0;

    56   next();

    58   function Success() {

    59     ok(!tests[i].error, tests[i].message);

    60     i++;

    61     next();

    62   }

    63   function Failure(err) {

    64     ok(tests[i].error? (err === tests[i].error) : false,

    65        tests[i].message + " (err=" + err + ")");

    66     i++;

    67     next();

    68   }

    69   function next() {

    70     if (i < tests.length) {

    71       navigator.mozGetUserMedia(tests[i].constraints, Success, Failure);

    72     } else {

    73       SimpleTest.finish();

    74     }

    75   }

    76 };

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