blocklisted-characteristic.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 = 'Characteristic with exclude-writes fullfills read and ' +
    'rejects write.';
const expected = new DOMException(
    'writeValue() called on blocklisted object marked exclude-writes. ' +
    'https://goo.gl/4NeimX',
    'SecurityError');
let characteristic, fake_characteristic;

// 1. Connect to the device and retrieve the GATT characteristic.
bluetooth_test(() => getBlocklistExcludeWritesCharacteristic()
    .then(_ => ({characteristic, fake_characteristic} = _))
    // 2. Attempt to write and read the characteristic.
    .then(() => fake_characteristic.setNextReadResponse(HCI_SUCCESS, 'foo'))
    .then(() => characteristic.readValue())
    .then(() => assert_promise_rejects_with_message(
        characteristic.writeValue(new Uint8Array(1 /* length */)),
        expected,
        'writeValue() should reject.')),
    test_desc);
</script>

chromium/third_party/blink/web_tests/wpt_internal/bluetooth/characteristic/writeValue/blocklisted-characteristic.https.html