gecko-dev/dom/html/test/test_change_crossorigin.html

90 строки
2.4 KiB
HTML

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=696451
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 696451</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<script type="application/javascript">
/** Test for Bug 696451 **/
SimpleTest.waitForExplicitFinish();
var img = new Image,
canvas = document.createElement("canvas"),
ctx = canvas.getContext("2d"),
src = "http://example.com/tests/dom/html/test/image-allow-credentials.png",
imgDone = false,
imgNotAllowedToLoadDone = false;
img.src = src;
img.crossOrigin = "Anonymous";
img.addEventListener("load", function() {
canvas.width = img.width;
canvas.height = img.height;
ctx.drawImage( img, 0, 0 );
try {
canvas.toDataURL("image/png");
ok(true, "Image was refetched with setting crossOrigin.");
} catch (e) {
ok(false, "Image was not refetched after setting crossOrigin.");
}
imgDone = true;
if (imgDone && imgNotAllowedToLoadDone) {
SimpleTest.finish();
}
});
img.addEventListener("error", function (event) {
ok(false, "Should be able to load cross origin image with proper headers.");
imgDone = true;
if (imgDone && imgNotAllowedToLoadDone) {
SimpleTest.finish();
}
});
var imgNotAllowedToLoad = new Image;
imgNotAllowedToLoad.src = "http://example.com/tests/dom/html/test/image.png";
imgNotAllowedToLoad.crossOrigin = "Anonymous";
imgNotAllowedToLoad.addEventListener("load", function() {
ok(false, "Image should not be allowed to load without " +
"allow-cross-origin-access headers.");
imgNotAllowedToLoadDone = true;
if (imgDone && imgNotAllowedToLoadDone) {
SimpleTest.finish();
}
});
imgNotAllowedToLoad.addEventListener("error", function() {
ok(true, "Image should not be allowed to load without " +
"allow-cross-origin-access headers.");
imgNotAllowedToLoadDone = true;
if (imgDone && imgNotAllowedToLoadDone) {
SimpleTest.finish();
}
});
</script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=696451">Mozilla Bug 696451</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
</body>
</html>