The Tor Browser: content/canvas/test/test_2d.drawImage.zerocanvas.html@deefc01c0e14

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 test: 2d.drawImage.zerocanvas</title>

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

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

     5 <body>

     6 <canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>

     7 <script>

     8 function isPixel(ctx, x,y, r,g,b,a, pos, colour, d) {

     9     var pixel = ctx.getImageData(x, y, 1, 1);

    10     var pr = pixel.data[0],

    11         pg = pixel.data[1],

    12         pb = pixel.data[2],

    13         pa = pixel.data[3];

    14     ok(r-d <= pr && pr <= r+d &&

    15        g-d <= pg && pg <= g+d &&

    16        b-d <= pb && pb <= b+d &&

    17        a-d <= pa && pa <= a+d,

    18        "pixel "+pos+" is "+pr+","+pg+","+pb+","+pa+"; expected "+colour+" +/- "+d);

    19 }

    21 SimpleTest.waitForExplicitFinish();

    22 addLoadEvent(function () {

    24 var canvas = document.getElementById('c');

    25 var ctx = canvas.getContext('2d');

    27 ctx.fillStyle = '#0f0';

    28 ctx.fillRect(0, 0, 100, 50);

    30 var canvas2 = document.createElement('canvas');

    31 canvas2.width = 0;

    32 canvas2.height = 10;

    33 var _thrown = undefined; try {

    34   ctx.drawImage(canvas2, 0, 0);

    35 } catch (e) { _thrown = e }; ok(_thrown && _thrown.name == "InvalidStateError" && _thrown.code == DOMException.INVALID_STATE_ERR, "should throw InvalidStateError");

    37 canvas2.width = 10;

    38 canvas2.height = 0;

    39 var _thrown = undefined; try {

    40   ctx.drawImage(canvas2, 0, 0);

    41 } catch (e) { _thrown = e }; ok(_thrown && _thrown.name == "InvalidStateError" && _thrown.code == DOMException.INVALID_STATE_ERR, "should throw InvalidStateError");

    43 canvas2.width = 0;

    44 canvas2.height = 0;

    45 var _thrown = undefined; try {

    46   ctx.drawImage(canvas2, 0, 0);

    47 } catch (e) { _thrown = e }; ok(_thrown && _thrown.name == "InvalidStateError" && _thrown.code == DOMException.INVALID_STATE_ERR, "should throw InvalidStateError");

    49 isPixel(ctx, 50,25, 0,255,0,255, "50,25", "0,255,0,255", 2);

    51 SimpleTest.finish();

    53 });

    54 </script>

The Tor Browser / file revision

content/canvas/test/test_2d.drawImage.zerocanvas.html@deefc01c0e14

content/canvas/test/test_2d.drawImage.zerocanvas.html