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<!DOCTYPE HTML>
<html>
<head>
<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" type="text/css" href="/tests/SimpleTest/test.css"/>
<script>
SimpleTest.waitForExplicitFinish();
function test() {
let select = document.getElementById("select");
select.focus();
is(select.selectedIndex, 0, "Option 0 initially selected");
synthesizeKey("KEY_PageDown", {});
ok(select.selectedIndex >= 2, "PageDown skips more than 1 option");
ok(select.selectedIndex < 49, "PageDown does not move to the last option");
synthesizeKey("KEY_PageUp", {});
is(select.selectedIndex, 0, "PageUp skips more than 1 option");
SimpleTest.finish();
}
</script>
</head>
<body onload="test()">
<div>
<select id="select" size="1">
<option selected>0</option>
</select>
<script>
// Add more options so we have 50 in total.
let select = document.getElementById("select");
for (let i = 1; i <= 49; ++i) {
let option = document.createElement("option");
option.textContent = i;
select.appendChild(option);
}
</script>
</div>
<pre id="test">
</pre>
</body>
</html>
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