The Tor Browser: browser/devtools/tilt/test/browser_tilt_03_tab

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* Any copyright is dedicated to the Public Domain.

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

     3 "use strict";

     5 let tab0, tab1, tab2;

     6 let testStep = -1;

     8 function test() {

     9   if (!isTiltEnabled()) {

    10     info("Skipping tab switch test because Tilt isn't enabled.");

    11     return;

    12   }

    13   if (!isWebGLSupported()) {

    14     info("Skipping tab switch test because WebGL isn't supported.");

    15     return;

    16   }

    18   waitForExplicitFinish();

    20   gBrowser.tabContainer.addEventListener("TabSelect", tabSelect, false);

    21   createTab1();

    22 }

    24 function createTab1() {

    25   tab0 = gBrowser.selectedTab;

    27   tab1 = createTab(function() {

    28     createTilt({

    29       onTiltOpen: function()

    30       {

    31         createTab2();

    32       }

    33     }, false, function suddenDeath()

    34     {

    35       info("Tilt could not be initialized properly.");

    36       cleanup();

    37     });

    38   });

    39 }

    41 function createTab2() {

    42   tab2 = createTab(function() {

    44     createTilt({

    45       onTiltOpen: function()

    46       {

    47         testStep = 0;

    48         tabSelect();

    49       }

    50     }, false, function suddenDeath()

    51     {

    52       info("Tilt could not be initialized properly.");

    53       cleanup();

    54     });

    55   });

    56 }

    58 let testSteps = [

    59   function step0() {

    60     gBrowser.selectedTab = tab1;

    61   },

    62   function step1() {

    63     gBrowser.selectedTab = tab0;

    64   },

    65   function step2() {

    66     gBrowser.selectedTab = tab1;

    67   },

    68   function step3() {

    69     gBrowser.selectedTab = tab2;

    70   },

    71   function step4() {

    72     Tilt.destroy(Tilt.currentWindowId);

    73     gBrowser.removeCurrentTab();

    74     tab2 = null;

    75   },

    76   function step5() {

    77     Tilt.destroy(Tilt.currentWindowId);

    78     gBrowser.removeCurrentTab();

    79     tab1 = null;

    80   },

    81   function step6_cleanup() {

    82     cleanup();

    83   }

    84 ];

    86 function cleanup() {

    87   gBrowser.tabContainer.removeEventListener("TabSelect", tabSelect, false);

    89   if (tab1) {

    90     gBrowser.removeTab(tab1);

    91     tab1 = null;

    92   }

    93   if (tab2) {

    94     gBrowser.removeTab(tab2);

    95     tab2 = null;

    96   }

    98   finish();

    99 }

   101 function tabSelect() {

   102   if (testStep !== -1) {

   103     executeSoon(testSteps[testStep]);

   104     testStep++;

   105   }

   106 }

The Tor Browser / file revision