content/test/data/media/media_utils.js

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 var QueryString = function() {
   6   // Allows access to query parameters on the URL; e.g., given a URL like:
   7   //    http://<server>/my.html?test=123&bob=123
   8   // Parameters can then be accessed via QueryString.test or QueryString.bob.
   9   var params = {};
  10   // RegEx to split out values by &.
  11   var r = /([^&=]+)=?([^&]*)/g;
  12   // Lambda function for decoding extracted match values. Replaces '+' with
  13   // space so decodeURIComponent functions properly.
  14   function d(s) { return decodeURIComponent(s.replace(/\+/g, ' ')); }
  15   var match;
  16   while (match = r.exec(window.location.search.substring(1)))
  17     params[d(match[1])] = d(match[2]);
  18   return params;
  19 }();
  20
  21 function failTest(msg) {
  22   var failMessage = msg;
  23   if (msg instanceof Event)
  24     failMessage = msg.target + '.' + msg.type;
  25   console.log("FAILED TEST: " + msg);
  26   setResultInTitle('FAILED');
  27 }
  28
  29 var titleChanged = false;
  30 function setResultInTitle(title) {
  31   // If document title is 'ENDED', then update it with new title to possibly
  32   // mark a test as failure.  Otherwise, keep the first title change in place.
  33   if (!titleChanged || document.title.toUpperCase() == 'ENDED')
  34     document.title = title.toUpperCase();
  35   console.log('Set document title to: ' + title + ', updated title: ' +
  36               document.title);
  37   titleChanged = true;
  38 }
  39
  40 function installTitleEventHandler(element, event) {
  41   element.addEventListener(event, function(e) {
  42     setResultInTitle(event.toString());
  43   }, false);
  44 }
  45
  46 function convertToArray(input) {
  47   if (Array.isArray(input))
  48     return input;
  49   return [input];
  50 }