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Test Info:
<!DOCTYPE HTML>
<html>
<!--
-->
<head>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<script src="/tests/SimpleTest/WindowSnapshot.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=1161721">Mozilla Bug 1161721</a>
<p id="display"></p>
<div id="content">
</div>
<pre id="test">
<script type="application/javascript">
add_task(async function test() {
await SpecialPowers.pushPrefEnv({
set: [["dom.execCommand.paste.enabled", false]],
});
ok(!document.queryCommandSupported("paste"), "Paste isn't supported in non-privileged JavaScript");
ok(document.queryCommandSupported("copy"), "Copy is supported in non-privileged JavaScript");
ok(document.queryCommandSupported("cut"), "Cut is supported in non-privileged JavaScript");
ok(SpecialPowers.wrap(document).queryCommandSupported("paste"), "Paste is supported in privileged JavaScript");
ok(SpecialPowers.wrap(document).queryCommandSupported("copy"), "Copy is supported in privileged JavaScript");
ok(SpecialPowers.wrap(document).queryCommandSupported("cut"), "Cut is supported in privileged JavaScript");
});
</script>
</pre>
</body>
</html>