The Tor Browser / file revision

 /* Any copyright is dedicated to the Public Domain.

  * http://creativecommons.org/publicdomain/zero/1.0/ */

 MARIONETTE_TIMEOUT = 120000;

 MARIONETTE_HEAD_JS = 'head.js';

 function doTest(aAzimuth, aPitch, aRoll) {

   log("Testing [azimuth, pitch, roll] = " + Array.slice(arguments));

   return setEmulatorOrientationValues(aAzimuth, aPitch, aRoll)

     .then(() => waitForWindowEvent("deviceorientation"))

     .then(function(aEvent) {

       is(aEvent.alpha, aAzimuth, "azimuth");

       is(aEvent.beta,  aPitch, "pitch");

       is(aEvent.gamma, aRoll, "roll");

     });

 }

 function testAllPermutations() {

   const angles = [-180, -90, 0, 90, 180];

   let promise = Promise.resolve();

   for (let i = 0; i < angles.length; i++) {

     for (let j = 0; j < angles.length; j++) {

       for (let k = 0; k < angles.length; k++) {

         promise =

           promise.then(doTest.bind(null, angles[i], angles[j], angles[k]));

       }

     }

   }

   return promise;

 }

 startTestBase(function() {

   let origValues;

   return Promise.resolve()

     // Retrieve original status.

     .then(() => getEmulatorOrientationValues())

     .then(function(aValues) {

       origValues = aValues;

       is(typeof origValues, "object", "typeof origValues");

       is(origValues.length, 3, "origValues.length");

     })

     // Test original status

     .then(() => doTest.apply(null, origValues))

     .then(testAllPermutations)

     // Restore original status.

     .then(() => setEmulatorOrientationValues.apply(null, origValues));

 });