test_window_define_nonconfigurable.html

<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=1107443

-->

<head>

  <meta charset="utf-8">

  <title>Test for Bug 1107443</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

  <script type="application/javascript">

/**

   * Test for Bug 1107443, modified when it was backed out in bug 1329323.

   * This is now testing the _current_ behavior, not the desired one; expect

   * failures in this test and needing to update it when bug 1329324 is

   * fixed.

*/

  var retval = Object.defineProperty(window, "nosuchprop",

                                     { value: 5, configurable: false });

  todo_is(retval, null,

          "Should return null when 'failing' to define non-configurable property via Object.defineProperty.")

  var desc = Object.getOwnPropertyDescriptor(window, "nosuchprop");

  is(typeof(desc), "object", "Should have a property 'nosuchprop' now");

  todo_is(desc.configurable, true,

          "Property 'nosuchprop' should be configurable");

  is(desc.writable, false, "Property 'nosuchprop' should be readonly");

  is(desc.value, 5, "Property 'nosuchprop' should have the right value");

  retval = Object.defineProperties(window, {

    "firstProp": { value: 1 },

    "secondProp": { value: 2, configurable: false },

    "thirdProp": { value: 3 },

});

  todo_is(retval, null,

          "Should return null when 'failing' to define non-configurable property via Object.defineProperties.")

  // The properties should all be defined.

  for (var [prop, val] of [["firstProp", 1], ["secondProp", 2], ["thirdProp", 3]]) {

    desc = Object.getOwnPropertyDescriptor(window, prop);

    is(typeof(desc), "object", `Should have a property '${prop}' now`);

    todo_is(desc.configurable, true,

            `Property '${prop}' should be configurable`);

    is(desc.writable, false, `Property '${prop}' should be readonly`);

    is(desc.value, val, `Property '${prop}' should have the right value`);

  retval = Object.defineProperty(window, "nosuchprop2", { value: 6 });

  is(retval, window,

     "Should return object when succesfully defining 'nosuchprop2'");

  desc = Object.getOwnPropertyDescriptor(window, "nosuchprop2");

  is(typeof(desc), "object", "Should have a property 'nosuchprop2' now");

  todo_is(desc.configurable, true,

          "Property 'nosuchprop2' should be configurable");

  is(desc.writable, false, "Property 'nosuchprop2' should be readonly");

  is(desc.value, 6, "Property 'nosuchprop2' should have the right value");

  retval = Object.defineProperty(window, "nosuchprop3",

                                 { value: 7, configurable: true });

  is(retval, window,

     "Should return object when succesfully defining 'nosuchprop3'");

  desc = Object.getOwnPropertyDescriptor(window, "nosuchprop3");

  is(typeof(desc), "object", "Should have a property 'nosuchprop3' now");

  is(desc.configurable, true,

          "Property 'nosuchprop3' should be configurable");

  is(desc.writable, false, "Property 'nosuchprop3' should be readonly");

  is(desc.value, 7, "Property 'nosuchprop3' should have the right value");

  retval = Reflect.defineProperty(window, "nosuchprop4",

                                  { value: 8, configurable: false });

  todo_is(retval, false,

          "Should not be able to Reflect.defineProperty if non-configurable");

  desc = Object.getOwnPropertyDescriptor(window, "nosuchprop4");

  is(typeof(desc), "object", "Should have a property 'nosuchprop4' now");

  todo_is(desc.configurable, true,

          "Property 'nosuchprop4' should be configurable");

  is(desc.writable, false, "Property 'nosuchprop4' should be readonly");

  is(desc.value, 8, "Property 'nosuchprop4' should have the right value");

  retval = Reflect.defineProperty(window, "nosuchprop5",

                                  { value: 9 });

  is(retval, true,

     "Should be able to Reflect.defineProperty with default configurability");

  desc = Object.getOwnPropertyDescriptor(window, "nosuchprop5");

  is(typeof(desc), "object", "Should have a property 'nosuchprop5' now");

  todo_is(desc.configurable, true,

          "Property 'nosuchprop5' should be configurable");

  is(desc.writable, false, "Property 'nosuchprop5' should be readonly");

  is(desc.value, 9, "Property 'nosuchprop5' should have the right value");

  retval = Reflect.defineProperty(window, "nosuchprop6",

                                  { value: 10, configurable: true });

  is(retval, true,

     "Should be able to Reflect.defineProperty if configurable");

  desc = Object.getOwnPropertyDescriptor(window, "nosuchprop6");

  is(typeof(desc), "object", "Should have a property 'nosuchprop6' now");

  is(desc.configurable, true, "Property 'nosuchprop6' should be configurable");

  is(desc.writable, false, "Property 'nosuchprop6' should be readonly");

  is(desc.value, 10, "Property 'nosuchprop6' should have the right value");

  </script>

</head>

<body>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1107443">Mozilla Bug 1107443</a>

<p id="display"></p>

<div id="content" style="display: none">

</div>

<pre id="test">

</pre>

</body>

</html>