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

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

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