<!DOCTYPE html>
<!--
  Copyright 2022 The Cobalt Authors. All Rights Reserved.

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
-->
<!--
  Note: This is a very basic test of the existing minimal Web Worker
  functionality. This can be expanded as more functionality is implemented,
  but probably will be superseded by Web Platform Tests.
-->
<head>
    <title>Cobalt Web Worker Test</title>
    <script src='black_box_js_test_utils.js'></script>
</head>

<body>
<script>
    var message_event_count = 0;
    console.log('running');
    var worker = new Worker('web_worker_test.js');
    console.log(worker);
    var data = "window data";
    worker.onmessage = function (event) {
        console.log('window got onmessage from worker: ' + event.data);
        message_event_count += 1;
        if (message_event_count == 1) {
            assertEqual(event.data, 'worker data');
        } else if (message_event_count % 2 == 0) {
            assertEqual(event.data, 'worker received correct message');
        } else {
            assertEqual(event.data, data.toUpperCase());
        }
        if (message_event_count == 5) {
            window.setTimeout(
                () => {
                    assertEqual(message_event_count, 5);
                    onEndTest();
                }, 250);
        }
        if (message_event_count > 5) {
            notReached();
        }
    };
    worker.onerror = function (event) {
        console.log('window got onerror');
        notReached();
    };
    console.log('posting', data);
    worker.postMessage(data);
    window.setTimeout(
        () => { console.log('posting', data); worker.postMessage(data); }, 250);
    console.log('end');
</script>
</body>