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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Test for triggering popup in microtask</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<div id="target" style="width: 50px; height: 50px; background: green"></div>
<script>
add_setup(async function() {
await SpecialPowers.pushPrefEnv({"set": [
// Enable popup blocker
["dom.disable_open_during_load", true],
]});
});
// Test for bug 1863217
add_task(async function window_open_in_microtask() {
let target = document.getElementById("target");
let testPromise = new Promise(resolve => {
target.addEventListener("click", () => {
queueMicrotask(() => {
let w = window.open("about:blank");
ok(!!w, "Should allow popup");
if (w) {
w.close();
}
w = window.open("about:blank");
ok(!w, "Should block popup");
if (w) {
w.close();
}
resolve();
});
}, { once: true });
});
SpecialPowers.wrap(document).notifyUserGestureActivation();
// Dispatch an untrusted click event.
SimpleTest.executeSoon(() => {
target.dispatchEvent(new MouseEvent("click", {
bubbles: true,
cancelable: true,
view: window,
}));
});
await testPromise;
});
</script>
</body>
</html>
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