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<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css" />
</head>
<body>
<iframe srcdoc="<a href='javascript:opener.parent.ok(false, `The JS ran!`)' target=_blank rel=opener>click</a>"
sandbox="allow-popups allow-same-origin"></iframe>
<script>
add_task(async function() {
let promise = new Promise(resolve =>{
SpecialPowers.addObserver(function obs(subject) {
is(subject.opener, window[0],
"blocked javascript URI should have been targeting the pop-up document");
subject.close();
SpecialPowers.removeObserver(obs, "javascript-uri-blocked-by-sandbox");
resolve();
}, "javascript-uri-blocked-by-sandbox");
});
document.querySelector("iframe").contentDocument.querySelector("a").click();
await promise;
});
</script>
</body>
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