content/canvas/test/test_drawImageIncomplete.html

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/content/canvas/test/test_drawImageIncomplete.html	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,59 @@
     1.4 +<!DOCTYPE HTML>
     1.5 +<html>
     1.6 +<!--
     1.7 +https://bugzilla.mozilla.org/show_bug.cgi?id=517056
     1.8 +-->
     1.9 +<head>
    1.10 +  <title>Test for Bug 517056</title>
    1.11 +  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
    1.12 +  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
    1.13 +</head>
    1.14 +<body>
    1.15 +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=517056">Mozilla Bug 517056</a>
    1.16 +<p id="display">
    1.17 +  <canvas id="c" width="1" height="1"></canvas>
    1.18 +</p>
    1.19 +<div id="content" style="display: none">
    1.20 +  
    1.21 +</div>
    1.22 +<pre id="test">
    1.23 +<script type="application/javascript">
    1.24 +
    1.25 +/** Test for Bug 517056 **/
    1.26 +var ctx = $("c").getContext('2d');
    1.27 +ctx.fillStyle = "black";
    1.28 +ctx.fillRect(0, 0, 1, 1);
    1.29 +var data = ctx.getImageData(0, 0, 1, 1).data;
    1.30 +is(data[0], 0, "Red channel of black should be 0");
    1.31 +is(data[1], 0, "Green channel of black should be 0");
    1.32 +is(data[2], 0, "Blue channel of black should be 0")
    1.33 +is(data[3], 255, "Alpha channel of black should be opaque");
    1.34 +var img = new Image();
    1.35 +// Force a new URI every time, so that we don't run into stupid caching issues.
    1.36 +img.src = "image_green-1x1.png?" + (new Date + 0) + Math.random();
    1.37 +// This shouldn't throw
    1.38 +ctx.drawImage(img, 0, 0);
    1.39 +var data = ctx.getImageData(0, 0, 1, 1).data;
    1.40 +is(data[0], 0, "Red channel of black should be 0 and image should have been ignored");
    1.41 +is(data[1], 0, "Green channel of black should be 0 and image should have been ignored");
    1.42 +is(data[2], 0, "Blue channel of black should be 0 and image should have been ignored")
    1.43 +is(data[3], 255, "Alpha channel of black should be opaque and image should have been ignored");
    1.44 +
    1.45 +SimpleTest.waitForExplicitFinish();
    1.46 +img.onload = function() {
    1.47 +  ctx.drawImage(img, 0, 0);
    1.48 +  var data = ctx.getImageData(0, 0, 1, 1).data;
    1.49 +  is(data[0], 0, "Red channel of green should be 0");
    1.50 +  is(data[1], 255, "Green channel of green should be 255");
    1.51 +  is(data[2], 0, "Blue channel of green should be 0")
    1.52 +  is(data[3], 255, "Alpha channel of green should be opaque");
    1.53 +  
    1.54 +  SimpleTest.finish();
    1.55 +}
    1.56 +
    1.57 +
    1.58 +
    1.59 +</script>
    1.60 +</pre>
    1.61 +</body>
    1.62 +</html>

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