<!DOCTYPE html>
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>
<script src="../../../resources/bluetooth/bluetooth-helpers.js"></script>
<script>
bluetooth_test(() => {
  // \u2764's UTF-8 representation is 3 bytes long.
  // 9 chars * 3 bytes/char = 27 bytes
  let valid_unicode_name = '\u2764'.repeat(9);
  return setUpPreconnectedDevice({name: valid_unicode_name})
    .then(() => requestDeviceWithKeyDown({
      filters: [{namePrefix: valid_unicode_name}]}))
    .then(device => {
      assert_equals(device.name, valid_unicode_name);
    });
}, 'A namePrefix containing unicode characters whose utf8 length is less than 30 ' +
   'must not throw an error.');
</script>