query-empty.https.any.js

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This WPT test may be referenced by the following Test IDs:
- /web-locks/query-empty.https.any.html - WPT Dashboard Interop Dashboard
- /web-locks/query-empty.https.any.serviceworker.html - WPT Dashboard Interop Dashboard
- /web-locks/query-empty.https.any.sharedworker.html - WPT Dashboard Interop Dashboard
- /web-locks/query-empty.https.any.worker.html - WPT Dashboard Interop Dashboard

// META: title=Web Locks API: navigator.locks.query method - no locks held

// META: script=resources/helpers.js

// META: global=window,dedicatedworker,sharedworker,serviceworker

'use strict';

promise_test(async t => {

  const state = await navigator.locks.query();

  assert_own_property(state, 'pending', 'State has `pending` property');

  assert_true(Array.isArray(state.pending),

              'State `pending` property is an array');

  assert_array_equals(state.pending, [], 'Pending array is empty');

  assert_own_property(state, 'held', 'State has `held` property');

  assert_true(Array.isArray(state.held), 'State `held` property is an array');

  assert_array_equals(state.held, [], 'Held array is empty');

}, 'query() returns dictionary with empty arrays when no locks are held');