read-updates-value.https.window.js

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This WPT test may be referenced by the following Test IDs:
- /bluetooth/characteristic/readValue/read-updates-value.https.window.html - WPT Dashboard Interop Dashboard

// META: script=/resources/testdriver.js

// META: script=/resources/testdriver-vendor.js

// META: script=/bluetooth/resources/bluetooth-test.js

// META: script=/bluetooth/resources/bluetooth-fake-devices.js

const test_desc = 'Succesful read should update characteristic.value';

const EXPECTED_VALUE = [0, 1, 2];

bluetooth_test(async () => {

  const {characteristic, fake_characteristic} =

      await getMeasurementIntervalCharacteristic();

  assert_equals(characteristic.value, null);

  await fake_characteristic.setNextReadResponse(GATT_SUCCESS, EXPECTED_VALUE);

  await characteristic.readValue();

  assert_array_equals(

      new Uint8Array(characteristic.value.buffer), EXPECTED_VALUE)

}, test_desc);