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allstarschh/test_moz_suppressed2

Created June 6, 2017 08:48
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test_moz_suppressed2
<!DOCTYPE HTML>
<html>
<head>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1267075
-->
<title>Test for Bug 1267075</title>
<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
</head>
<body onload="onLoad()">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1267075">Mozilla Bug 1267075</a>
<pre id="test">
<script class="testbody" type="text/javascript">
const { classes: Cc, interfaces: Ci } = Components;
SimpleTest.waitForExplicitFinish();
function onLoad() {
var iframe = document.createElement("iframe");
iframe.onload = function () {
info("iframe loaded");
var winUtils = iframe.contentWindow.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDOMWindowUtils);
// load some styles at the agent level
var css = `
img:-moz-suppressed {
display: none !important;
visibility: hidden !important;
}`;
var sheetURL = "data:text/css," + encodeURIComponent(css);
winUtils.loadSheetUsingURIString(sheetURL, winUtils.AGENT_SHEET);
var doc = iframe.contentDocument;
var img = doc.createElement("img");
img.addEventListener("error", function() {
info("image error");
is(img.matches(":-moz-suppressed"), "should match moz-suppressed selector.");
SimpleTest.finish();
});
// image from HTTP should be blocked.
img.src = "http://example.com/tests/image/test/mochitest/shaver.png";
doc.body.appendChild(img);
};
// file_blocking_image.html contains meta tag for CSP, which will block images from
// http.
iframe.src = "http://mochi.test:8888/chrome/dom/base/test/file_blocking_image.html";
document.getElementById("content").appendChild(iframe);
}
</script>
</pre>
<p id="display"></p>
<div id="content">
</div>
</body> </html>
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