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<!doctype html>
<meta charset="utf-8">
<title>Test for page up/down in collapsed select (bug 1488828)</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
<style>
.reframe {
display: flex;
}
</style>
<div id="container">
<select>
<option>ABC</option>
<option>DEF</option>
</select>
</div>
<script>
(async function() {
SimpleTest.waitForExplicitFinish();
const utils = SpecialPowers.DOMWindowUtils;
const select = document.querySelector("select");
await SimpleTest.promiseFocus(window);
ok(!select.openInParentProcess, "Should not be open")
select.focus();
synthesizeKey("VK_SPACE");
ok(SpecialPowers.wrap(select).openInParentProcess, "Should open");
const container = document.getElementById("container");
container.getBoundingClientRect(); // flush layout
const frameCountBeforeReframe = utils.framesConstructed;
container.classList.add("reframe");
container.getBoundingClientRect(); // flush layout
ok(utils.framesConstructed > frameCountBeforeReframe, "Should have reframed");
ok(SpecialPowers.wrap(select).openInParentProcess, "Should remain open");
select.remove();
container.getBoundingClientRect(); // flush layout
ok(!SpecialPowers.wrap(select).openInParentProcess, "Should close after removal");
SimpleTest.finish();
}());
</script>
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