mozilla-central/toolkit/components/satchel/test/test_datalist_readonly_change.html

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Test Info: Warnings

<!DOCTYPE HTML>
<html>
<head>
<title>Dynamic change to readonly doesn't prevent datalist to keep working</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<script src="satchel_common.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css" />
</head>
<body>
<input readonly list="suggest" type="text" name="field1">
<datalist id="suggest">
<option value="First"></option>
<option value="Second"></option>
<option value="Secomundo"></option>
</datalist>
<script>
add_task(async function readonly() {
const { input } = await openPopupOn("input", { expectPopup: false });
ok(input.readOnly, "Input should be readonly");
input.removeAttribute("readonly");
await new Promise(resolve => SimpleTest.executeSoon(resolve));
// AttributeChanged takes control of the input again off a runnable...
ok(!input.readOnly, "Input should not be readonly");
is(document.activeElement, input, "Should still be focused");
await openPopupOn(input);
assertAutocompleteItems("First", "Second", "Secomundo");
assertValueAfterKeys(
input,
["KEY_ArrowDown", "KEY_Enter"],
"First");
});
</script>
</body>
</html>