text: /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
  /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
  /* Copyright 2012 Mozilla Foundation
   *
   * 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.
   */
  
  onmessage = function (e) {
    var data = e.data;
    switch (data.action) {
    case 'test':
      postMessage({action: 'test', result: data.data instanceof Uint8Array});
      break;
    case 'test-transfers':
      postMessage({action: 'test-transfers', result: data.data[0] === 255});
      break;
    case 'xhr':
      var xhr = new XMLHttpRequest();
      var responseExists = 'response' in xhr;
      // check if the property is actually implemented
      try {
        var dummy = xhr.responseType;
      } catch (e) {
        responseExists = false;
      }
      postMessage({action: 'xhr', result: responseExists});
      break;
    }
  };
  
  