text: // META: script=/resources/testharness.js
  // META: script=/resources/testharnessreport.js
  // META: script=/resources/testdriver.js
  // META: script=/resources/testdriver-vendor.js
  // META: script=/bluetooth/resources/bluetooth-test.js
  // META: script=/bluetooth/resources/bluetooth-fake-devices.js
  'use strict';
  const test_desc = 'Request device from a unique origin. ' +
      'Should reject with SecurityError.';
  const expected = 'SecurityError: Failed to execute \'requestDevice\' on ' +
      '\'Bluetooth\': Access to the feature "bluetooth" is disallowed by ' +
      'permissions policy.';
  
  let iframe = document.createElement('iframe');
  
  bluetooth_test(
      () => getConnectedHealthThermometerDevice()
                // 1. Load the iframe.
                .then(() => new Promise(resolve => {
                        iframe.sandbox.add('allow-scripts');
                        iframe.src =
                            '/bluetooth/resources/health-thermometer-iframe.html';
                        document.body.appendChild(iframe);
                        iframe.addEventListener('load', resolve);
                      }))
                // 2. Request the device from the iframe.
                .then(() => new Promise(resolve => {
                        iframe.contentWindow.postMessage(
                            {type: 'RequestDevice'}, '*');
  
                        window.onmessage = messageEvent => {
                          assert_equals(messageEvent.data, expected);
                          resolve();
                        }
                      })),
      test_desc);
  