dom/base/test/test_window_define_nonconfigurable.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <!--
   4 https://bugzilla.mozilla.org/show_bug.cgi?id=1107443
   5 -->
   6 <head>
   7   <meta charset="utf-8">
   8   <title>Test for Bug 1107443</title>
   9   <script src="/tests/SimpleTest/SimpleTest.js"></script>
  10   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  11   <script type="application/javascript">
  12
  13   var {AppConstants} = SpecialPowers.Cu.import("resource://gre/modules/AppConstants.jsm", {});
  14
  15   /**
  16    * Test for Bug 1107443, modified when it was backed out in bug 1329323.
  17    * This is now testing the _current_ behavior, not the desired one; expect
  18    * failures in this test and needing to update it when bug 1329324 is
  19    * fixed.
  20    */
  21   var retval = Object.defineProperty(window, "nosuchprop",
  22                                      { value: 5, configurable: false });
  23   if (AppConstants.RELEASE_OR_BETA) {
  24     todo_is(retval, null,
  25             "Should return null when 'failing' to define non-configurable property via Object.defineProperty.")
  26   } else {
  27     is(retval, null,
  28        "Should return null when 'failing' to define non-configurable property via Object.defineProperty.")
  29   }
  30   var desc = Object.getOwnPropertyDescriptor(window, "nosuchprop");
  31   is(typeof(desc), "object", "Should have a property 'nosuchprop' now");
  32   if (AppConstants.RELEASE_OR_BETA) {
  33     todo_is(desc.configurable, true,
  34             "Property 'nosuchprop' should be configurable");
  35   } else {
  36     is(desc.configurable, true,
  37        "Property 'nosuchprop' should be configurable");
  38   }
  39   is(desc.writable, false, "Property 'nosuchprop' should be readonly");
  40   is(desc.value, 5, "Property 'nosuchprop' should have the right value");
  41
  42   retval = Object.defineProperties(window, {
  43     "firstProp": { value: 1 },
  44     "secondProp": { value: 2, configurable: false },
  45     "thirdProp": { value: 3 },
  46   });
  47   if (AppConstants.RELEASE_OR_BETA) {
  48     todo_is(retval, null,
  49             "Should return null when 'failing' to define non-configurable property via Object.defineProperties.")
  50   } else {
  51     is(retval, null,
  52        "Should return null when 'failing' to define non-configurable property via Object.defineProperties.")
  53   }
  54   // The properties should all be defined.
  55   for (var [prop, val] of [["firstProp", 1], ["secondProp", 2], ["thirdProp", 3]]) {
  56     desc = Object.getOwnPropertyDescriptor(window, prop);
  57     is(typeof(desc), "object", `Should have a property '${prop}' now`);
  58     if (AppConstants.RELEASE_OR_BETA) {
  59       todo_is(desc.configurable, true,
  60               `Property '${prop}' should be configurable`);
  61     } else {
  62       is(desc.configurable, true,
  63          `Property '${prop}' should be configurable`);
  64     }
  65     is(desc.writable, false, `Property '${prop}' should be readonly`);
  66     is(desc.value, val, `Property '${prop}' should have the right value`);
  67   }
  68
  69   retval = Object.defineProperty(window, "nosuchprop2", { value: 6 });
  70   is(retval, window,
  71      "Should return object when succesfully defining 'nosuchprop2'");
  72   desc = Object.getOwnPropertyDescriptor(window, "nosuchprop2");
  73   is(typeof(desc), "object", "Should have a property 'nosuchprop2' now");
  74   if (AppConstants.RELEASE_OR_BETA) {
  75     todo_is(desc.configurable, true,
  76             "Property 'nosuchprop2' should be configurable");
  77   } else {
  78     is(desc.configurable, true,
  79        "Property 'nosuchprop2' should be configurable");
  80   }
  81   is(desc.writable, false, "Property 'nosuchprop2' should be readonly");
  82   is(desc.value, 6, "Property 'nosuchprop2' should have the right value");
  83
  84   retval = Object.defineProperty(window, "nosuchprop3",
  85                                  { value: 7, configurable: true });
  86   is(retval, window,
  87      "Should return object when succesfully defining 'nosuchprop3'");
  88   desc = Object.getOwnPropertyDescriptor(window, "nosuchprop3");
  89   is(typeof(desc), "object", "Should have a property 'nosuchprop3' now");
  90   is(desc.configurable, true,
  91           "Property 'nosuchprop3' should be configurable");
  92   is(desc.writable, false, "Property 'nosuchprop3' should be readonly");
  93   is(desc.value, 7, "Property 'nosuchprop3' should have the right value");
  94
  95   retval = Reflect.defineProperty(window, "nosuchprop4",
  96                                   { value: 8, configurable: false });
  97   if (AppConstants.RELEASE_OR_BETA) {
  98     todo_is(retval, false,
  99             "Should not be able to Reflect.defineProperty if non-configurable");
 100   } else {
 101     is(retval, false,
 102        "Should not be able to Reflect.defineProperty if non-configurable");
 103   }
 104   desc = Object.getOwnPropertyDescriptor(window, "nosuchprop4");
 105   is(typeof(desc), "object", "Should have a property 'nosuchprop4' now");
 106   if (AppConstants.RELEASE_OR_BETA) {
 107     todo_is(desc.configurable, true,
 108             "Property 'nosuchprop4' should be configurable");
 109   } else {
 110     is(desc.configurable, true,
 111        "Property 'nosuchprop4' should be configurable");
 112   }
 113   is(desc.writable, false, "Property 'nosuchprop4' should be readonly");
 114   is(desc.value, 8, "Property 'nosuchprop4' should have the right value");
 115
 116   retval = Reflect.defineProperty(window, "nosuchprop5",
 117                                   { value: 9 });
 118   is(retval, true,
 119      "Should be able to Reflect.defineProperty with default configurability");
 120   desc = Object.getOwnPropertyDescriptor(window, "nosuchprop5");
 121   is(typeof(desc), "object", "Should have a property 'nosuchprop5' now");
 122   if (AppConstants.RELEASE_OR_BETA) {
 123     todo_is(desc.configurable, true,
 124             "Property 'nosuchprop5' should be configurable");
 125   } else {
 126     is(desc.configurable, true,
 127        "Property 'nosuchprop5' should be configurable");
 128   }
 129   is(desc.writable, false, "Property 'nosuchprop5' should be readonly");
 130   is(desc.value, 9, "Property 'nosuchprop5' should have the right value");
 131
 132   retval = Reflect.defineProperty(window, "nosuchprop6",
 133                                   { value: 10, configurable: true });
 134   is(retval, true,
 135      "Should be able to Reflect.defineProperty if configurable");
 136   desc = Object.getOwnPropertyDescriptor(window, "nosuchprop6");
 137   is(typeof(desc), "object", "Should have a property 'nosuchprop6' now");
 138   is(desc.configurable, true, "Property 'nosuchprop6' should be configurable");
 139   is(desc.writable, false, "Property 'nosuchprop6' should be readonly");
 140   is(desc.value, 10, "Property 'nosuchprop6' should have the right value");
 141   </script>
 142 </head>
 143 <body>
 144 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1107443">Mozilla Bug 1107443</a>
 145 <p id="display"></p>
 146 <div id="content" style="display: none">
 147
 148 </div>
 149 <pre id="test">
 150 </pre>
 151 </body>
 152 </html>