content/canvas/test/test_canvas_strokeStyle_getter.html

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     1 <!DOCTYPE HTML>
     2 <html>
     3 <!--
     4 https://bugzilla.mozilla.org/show_bug.cgi?id=587106
     5 -->
     6 <head>
     7   <title>Test for Bug 587106</title>
     8   <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
     9   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
    10 </head>
    11 <body>
    12 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=587106">Mozilla Bug 587106</a>
    13 <p id="display"><canvas id="c"><canvas></p>
    14 <div id="content" style="display: none">
    16 </div>
    17 <pre id="test">
    18 <script type="application/javascript">
    20 /** Test for Bug 587106 **/
    21   var ctx=document.getElementById('c').getContext('2d');
    22   for (var i = 0; i < 100; ++i) {
    23     // Skip things that will give different alpha values depending on weird
    24     // rounding stuff.
    25     var tentativeAlpha = i / 100 * 255;
    26     if (Math.abs(tentativeAlpha.toFixed(1) - tentativeAlpha.toFixed(0)) == 0.5) {
    27       // Skip this one, please!
    28       continue;
    29     }
    30     ctx.strokeStyle = 'rgba(0, 0, 0, ' + (i/100) + ')';
    31     is(ctx.strokeStyle, 'rgba(0, 0, 0, ' + (i/100) + ')',
    32        'strokeStyle should match for opacity='+(i/100));
    33   }
    35 </script>
    36 </pre>
    37 </body>
    38 </html>

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