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chromium/third_party/blink/web_tests/wpt_internal/bluetooth/descriptor/writeValue/value-too-long.https.html 

<!DOCTYPE html>
<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>
<script src="/bluetooth/resources/bluetooth-test.js"></script>
<script src="/bluetooth/resources/bluetooth-fake-devices.js"></script>
<script>
'use strict';
const test_desc = 'Trying to write more than 512 bytes should return an error.';
const expected = new DOMException(
    'Failed to execute \'writeValue\' on \'BluetoothRemoteGATTDescriptor\': ' +
    'Value can\'t exceed 512 bytes.', 'InvalidModificationError');

bluetooth_test(() => getUserDescriptionDescriptor()
    .then(({descriptor}) => assert_promise_rejects_with_message(
        descriptor.writeValue(new Uint8Array(513 /* length */)),
        expected,
        'Value passed was too long.')),
    test_desc);
</script>