sharedarraybuffer-key.https.html

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This test has a WPT meta file that expects 3 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /IndexedDB/sharedarraybuffer-key.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>IndexedDB: SharedArrayBuffer keys</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="resources/support.js"></script>

<script>

'use strict';

const key_data = [1, 2, 3, 4];

function create_object_store(t, db) {

  db.createObjectStore('store');

function create_shared_buffer() {

  const buffer = new SharedArrayBuffer(key_data.length);

  const view = new Uint8Array(buffer);

  view.set(key_data);

  return {buffer, view};

function put_and_validate_key(t, db, key, view_on_sab, key_copy) {

  assert_true(

      self.crossOriginIsolated, 'The page should be cross-origin isolated');

  // Put the SAB-backed key in the store.

  const tx = db.transaction('store', 'readwrite');

  const store = tx.objectStore('store');

  const put_request = store.put('value', key);

  put_request.onerror = t.unreached_func('put should succeed');

  // Modifying the SAB after put should have no effect.

  view_on_sab.fill(0);

  // Reading the record back out of the key should work.

  const get_request = store.get(key_copy);

  get_request.onerror = t.unreached_func('get should succeed');

  get_request.onsuccess = t.step_func(() => {

    assert_equals(get_request.result, 'value');

});

  tx.oncomplete = t.step_func_done();

indexeddb_test(

    create_object_store,

    (t, db) => {

      const {buffer, view} = create_shared_buffer();

      put_and_validate_key(

          t, db, buffer, view, new Uint8Array(key_data));

},

    'A SharedArrayBuffer can be used as an IndexedDB key');

indexeddb_test(

    create_object_store,

    (t, db) => {

      const {view} = create_shared_buffer();

      put_and_validate_key(

          t, db, view, view, new Uint8Array(key_data));

},

    'A SharedArrayBuffer-backed view can be used as an IndexedDB key');

indexeddb_test(

    create_object_store,

    (t, db) => {

      const {buffer, view} = create_shared_buffer();

      put_and_validate_key(

          t, db, [buffer], view, [new Uint8Array(key_data)]);

},

    'A SharedArrayBuffer in an array can be used as an IndexedDB key');

</script>