<!DOCTYPE html>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script src="../../resources/testdriver.js"></script>
<script src="../../resources/testdriver-vendor.js"></script>
<script src="../../resources/bluetooth/bluetooth-helpers.js"></script>
<script src="../../external/wpt/bluetooth/resources/bluetooth-helpers.js"></script>
<script>
'use strict';
const test_desc = 'Concurrent requestDevice calls in iframes work.';
const iframes = [];
for (let i = 0; i < 5; i++) {
  iframes.push(document.createElement('iframe'));
}

bluetooth_test(() => setUpHealthThermometerAndHeartRateDevices()
  // 1. Load the iframes.
  .then(() => {
    let promises = [];
    for (let iframe of iframes) {
      iframe.src = '../../resources/bluetooth/requestDevice-in-iframe.html';
      document.body.appendChild(iframe);
      promises.push(new Promise(resolve =>
        iframe.addEventListener('load', resolve)));
    }
    return Promise.all(promises);
  })
  // 2. Request the device from the iframes.
  .then(() => new Promise(async (resolve) => {
    let numMessages = 0;
    window.onmessage = messageEvent => {
      assert_equals(messageEvent.data, 'Success');
      if (++numMessages === iframes.length) {
        resolve();
      }
    }

    for (let iframe of iframes) {
      await callWithTrustedClick(
          () => iframe.contentWindow.postMessage('Go', '*'));
    }
})), test_desc);
</script>