FileSystemSyncAccessHandle-flush.https.worker.js

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This WPT test may be referenced by the following Test IDs:
- /fs/FileSystemSyncAccessHandle-flush.https.worker.html - WPT Dashboard Interop Dashboard

importScripts('/resources/testharness.js');

importScripts('resources/sync-access-handle-test.js');

'use strict';

sync_access_handle_test((t, handle) => {

  handle.flush();

}, 'Test flush on an empty file.');

sync_access_handle_test((t, handle) => {

  if (!('TextEncoder' in self)) {

    return;

  const encoder = new TextEncoder();

  const decoder = new TextDecoder();

  const text = 'Hello Storage Foundation';

  const writeBuffer = new TextEncoder().encode(text);

  handle.write(writeBuffer, {at: 0});

  handle.flush();

  let readBuffer = new Uint8Array(text.length);

  handle.read(readBuffer, {at: 0});

  assert_equals(

      text, new TextDecoder().decode(readBuffer),

      'Check that the written bytes and the read bytes match');

}, 'SyncAccessHandle.read returns bytes written by SyncAccessHandle.write' +

    ' after SyncAccessHandle.flush');

done();