The Tor Browser: layout/base/tests/bidi_numeral

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

     1 // Canvas related code stolen from http://developer.mozilla.org/en/docs/Code_snippets:Canvas

     2 var RemoteCanvas = function(url, id) {

     3     this.url = url;

     4     this.id = id;

     5     this.snapshot = null;

     6 };

     8 RemoteCanvas.CANVAS_WIDTH = 200;

     9 RemoteCanvas.CANVAS_HEIGHT = 100;

    11 RemoteCanvas.prototype.compare = function(otherCanvas, expected) {

    12     return compareSnapshots(this.snapshot, otherCanvas.snapshot, expected)[0];

    13 }

    15 RemoteCanvas.prototype.load = function(callback) {

    16   var iframe = document.createElement("iframe");

    17   iframe.id = this.id + "-iframe";

    18   iframe.width = RemoteCanvas.CANVAS_WIDTH + "px";

    19   iframe.height = RemoteCanvas.CANVAS_HEIGHT + "px";

    20   iframe.src = this.url;

    21   var me = this;

    22   iframe.addEventListener("load", function() {

    23       me.remotePageLoaded(callback);

    24     }, false);

    25   window.document.body.appendChild(iframe);

    26 };

    28 RemoteCanvas.prototype.remotePageLoaded = function(callback) {

    29   var ldrFrame = document.getElementById(this.id + "-iframe");

    30   this.snapshot = snapshotWindow(ldrFrame.contentWindow);

    31   callback(this);

    32 };

    34 function bidiNumeral(val) {

    35   if (typeof val == "undefined")

    36     return SpecialPowers.getIntPref("bidi.numeral");

    37   else

    38     SpecialPowers.setIntPref("bidi.numeral", val);

    39 }

    41 var bidiNumeralDefault = bidiNumeral();

    43 var currentPass = 0;

    45 function run()

    46 {

    47   SimpleTest.waitForExplicitFinish();

    49   do_test();

    50 }

    52 function do_test()

    53 {

    54   var canvases = [];

    55   function callbackTestCanvas(canvas)

    56   {

    57     canvases.push(canvas);

    59     if (canvases.length == 2) { // when both canvases are loaded

    60       if (passes[currentPass].op == "==") {

    61         ok(canvases[0].compare(canvases[1], true), "Rendering of reftest " + fileprefix + passes[currentPass].file +

    62            " is different with bidi.numeral == " + passes[currentPass].bidiNumeralValue);

    63       } else if (passes[currentPass].op == "!=") {

    64         ok(canvases[0].compare(canvases[1], false), "Rendering of reftest " + fileprefix + passes[currentPass].file +

    65            " is not different with bidi.numeral == " + passes[currentPass].bidiNumeralValue);

    66       }

    68       bidiNumeral(bidiNumeralDefault);

    70       if (currentPass < passes.length - 1) {

    71         ++currentPass;

    72         do_test();

    73       } else {

    74         SimpleTest.finish();

    75       }

    76     }

    77   }

    79   var fileprefix = passes[currentPass].prefix + "-";

    80   var file = passes[currentPass].file;

    82   var header = document.createElement("p");

    83   header.appendChild(document.createTextNode("Testing reftest " + fileprefix + file +

    84     " with bidi.numeral == " + passes[currentPass].bidiNumeralValue +

    85     " expecting " + passes[currentPass].op));

    86   document.body.appendChild(header);

    88   bidiNumeral(passes[currentPass].bidiNumeralValue);

    90   var testCanvas = new RemoteCanvas(fileprefix + file + ".html", "test-" + currentPass);

    91   testCanvas.load(callbackTestCanvas);

    93   var refCanvas = new RemoteCanvas(fileprefix + file + "-ref.html", "ref-" + currentPass);

    94   refCanvas.load(callbackTestCanvas);

    95 }

    97 run();

The Tor Browser / file revision