The Tor Browser: content/canvas/test/test_hitregion

Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)

     1 <!DOCTYPE HTML>

     2 <title>Canvas Tests</title>

     3 <script src="/tests/SimpleTest/SimpleTest.js"></script>

     4 <link rel="stylesheet" href="/tests/SimpleTest/test.css">

     5 <body>

     6 <script>

     8 SimpleTest.waitForExplicitFinish();

     9 const Cc = SpecialPowers.Cc;

    10 const Cr = SpecialPowers.Cr;

    11 SpecialPowers.setBoolPref("canvas.hitregions.enabled", true);

    13 </script>

    15 <p>Canvas test: hit regions</p>

    16 <canvas id="c1" width="150" height="50">

    17   <a id="c1_a"></a>

    18 </canvas>

    19 <a id="c1_b"></a>

    21 <script type="text/javascript">

    23 function test_hitregions() {

    24   var c = document.getElementById("c1");

    25   var d = document.getElementById("c1_a");

    26   var e = document.getElementById("c1_b");

    28   var ctx = c.getContext("2d");

    29   var _thrown_outer = false;

    30   try {

    31     ctx.rect(10,10,100,100);

    32     ctx.addHitRegion({control: d});

    33     ctx.addHitRegion({control: e});

    34     ctx.addHitRegion({id: "a", control: d});

    35     ctx.addHitRegion({id: "a", control: d});

    37     ctx.removeHitRegion("a");

    38     ctx.removeHitRegion("a");

    39     ctx.removeHitRegion("b");

    40   } catch (e) {

    41       _thrown_outer = true;

    42   }

    43   ok(!_thrown_outer, ctx.canvas.id + ' should not throw exception');

    45   var _thrown = undefined; try {

    46     ctx.beginPath();

    47     ctx.addHitRegion({control: d});

    48   } catch (ex) { _thrown = ex };

    50   ok(_thrown && _thrown.name == "NotSupportedError", "should throw NotSupportedError");

    52 }

    53 </script>

    55 <script>

    57 function runTests() {

    58  try {

    59   test_hitregions();

    60  } catch(e) {

    61   throw e;

    62   ok(false, "unexpected exception thrown in: test_hitregions");

    63  }

    64  SimpleTest.finish();

    65  SpecialPowers.setBoolPref("canvas.hitregions.enabled", false);

    66 }

    68 addLoadEvent(runTests);

    70 </script>

The Tor Browser / file revision

content/canvas/test/test_hitregion_canvas.html@deefc01c0e14

content/canvas/test/test_hitregion_canvas.html