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Test Info:

<!doctype html>
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
<link rel="author" title="Mozilla" href="https://mozilla.org">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<input type=text id=text value=abc>
<script>
let text = document.getElementById("text");
document.addEventListener("keyup", function(e) {
text.focus();
});
promise_test(async t => {
await test_driver.send_keys(document.body, " ");
assert_equals(document.activeElement, text, "#text should be focused by our event listener");
assert_true(text.matches(":focus"), "#text should match :focus");
assert_true(text.matches(":focus-visible"), "#text should match :focus-visible");
assert_equals(text.selectionStart, text.selectionEnd, "#text should not be selected");
assert_equals(text.value, "abc", "#text should not have changed value");
});
</script>