cross-global-npo.html

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This WPT test may be referenced by the following Test IDs:
- /html/browsers/the-window-object/named-access-on-the-window-object/cross-global-npo.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset=utf-8>

<title>Named access across globals</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<div id=log></div>

<script>

async_test(function() {

  var iframe = document.createElement("iframe");

  iframe.src = "cross-global-support.html";

  document.body.appendChild(iframe);

  iframe.onload = this.step_func_done(function() {

    var name = "named";

    var win = iframe.contentWindow;

    var element = win.document.getElementById(name);

    var expectedValues = [

      // [value, is own property]

      [element, false, "window"],

      [element, false, "Window.prototype"],

      [element, true, "named prototype object"],

      [undefined, false, "EventTarget.prototype"],

      [undefined, false, "Object.prototype"],

];

    for (var object = win; object; object = Object.getPrototypeOf(object)) {

      var expected = expectedValues.shift();

      assert_equals(object[name], expected[0], "[[Get]] on " + expected[2]);

      var desc = Object.getOwnPropertyDescriptor(object, name);

      if (expected[1]) {

        assert_not_equals(desc, undefined, "[[GetOwnProperty]] on " + expected[2] + " should return something");

        assert_equals(desc.value, element, "[[GetOwnProperty]] on " + expected[2]);

      } else {

        assert_equals(desc, undefined, "[[GetOwnProperty]] on " + expected[2]);

});

});

</script>