Quelle test_window_define_nonconfigurable.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/base/test/test_window_define_nonconfigurable.html

<!DOCTYPE HTML>
<html>

<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>

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