зеркало из https://github.com/mozilla/gecko-dev.git
60 строки
2.0 KiB
HTML
60 строки
2.0 KiB
HTML
<!DOCTYPE HTML>
|
|
<html>
|
|
<!--
|
|
https://bugzilla.mozilla.org/show_bug.cgi?id=517056
|
|
-->
|
|
<head>
|
|
<title>Test for Bug 517056</title>
|
|
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
|
|
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
|
|
</head>
|
|
<body>
|
|
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=517056">Mozilla Bug 517056</a>
|
|
<p id="display">
|
|
<canvas id="c" width="1" height="1"></canvas>
|
|
</p>
|
|
<div id="content" style="display: none">
|
|
|
|
</div>
|
|
<pre id="test">
|
|
<script type="application/javascript">
|
|
|
|
/** Test for Bug 517056 **/
|
|
var ctx = $("c").getContext('2d');
|
|
ctx.fillStyle = "black";
|
|
ctx.fillRect(0, 0, 1, 1);
|
|
var data = ctx.getImageData(0, 0, 1, 1).data;
|
|
is(data[0], 0, "Red channel of black should be 0");
|
|
is(data[1], 0, "Green channel of black should be 0");
|
|
is(data[2], 0, "Blue channel of black should be 0")
|
|
is(data[3], 255, "Alpha channel of black should be opaque");
|
|
var img = new Image();
|
|
// Force a new URI every time, so that we don't run into stupid caching issues.
|
|
img.src = "image_green-1x1.png?" + (new Date + 0) + Math.random();
|
|
// This shouldn't throw
|
|
ctx.drawImage(img, 0, 0);
|
|
var data = ctx.getImageData(0, 0, 1, 1).data;
|
|
is(data[0], 0, "Red channel of black should be 0 and image should have been ignored");
|
|
is(data[1], 0, "Green channel of black should be 0 and image should have been ignored");
|
|
is(data[2], 0, "Blue channel of black should be 0 and image should have been ignored")
|
|
is(data[3], 255, "Alpha channel of black should be opaque and image should have been ignored");
|
|
|
|
SimpleTest.waitForExplicitFinish();
|
|
img.onload = function() {
|
|
ctx.drawImage(img, 0, 0);
|
|
var data = ctx.getImageData(0, 0, 1, 1).data;
|
|
is(data[0], 0, "Red channel of green should be 0");
|
|
is(data[1], 255, "Green channel of green should be 255");
|
|
is(data[2], 0, "Blue channel of green should be 0")
|
|
is(data[3], 255, "Alpha channel of green should be opaque");
|
|
|
|
SimpleTest.finish();
|
|
}
|
|
|
|
|
|
|
|
</script>
|
|
</pre>
|
|
</body>
|
|
</html>
|