| <!doctype html> |
| <meta charset=utf-8> |
| <title>Changes to named properties of the window object</title> |
| <link rel="author" title="Ms2ger" href="ms2ger@gmail.com"> |
| <link rel="author" title="Boris Zbarsky" href="bzbarsky@mit.edu"> |
| <link rel="help" href="https://html.spec.whatwg.org/multipage/#window"> |
| <link rel="help" href="https://html.spec.whatwg.org/multipage/#dom-window-nameditem"> |
| <link rel="help" href="https://heycam.github.io/webidl/#named-properties-object"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id=log></div> |
| <iframe name="bar"></iframe> |
| <iframe name="constructor"></iframe> |
| <script> |
| function assert_data_propdesc(pd, Writable, Enumerable, Configurable) { |
| assert_equals(typeof pd, "object"); |
| assert_equals(pd.writable, Writable); |
| assert_equals(pd.enumerable, Enumerable); |
| assert_equals(pd.configurable, Configurable); |
| } |
| test(function() { |
| assert_true("bar" in window, "bar not in window"); |
| assert_equals(window["bar"], |
| document.getElementsByTagName("iframe")[0].contentWindow); |
| }, "Static name"); |
| test(function() { |
| assert_true("bar" in Window.prototype, "bar in Window.prototype"); |
| assert_false(Window.prototype.hasOwnProperty("bar"), "Window.prototype.hasOwnProperty(\"bar\")"); |
| |
| var gsp = Object.getPrototypeOf(Object.getPrototypeOf(window)); |
| assert_true("bar" in gsp, "bar in gsp"); |
| assert_true(gsp.hasOwnProperty("bar"), "gsp.hasOwnProperty(\"bar\")"); |
| assert_data_propdesc(Object.getOwnPropertyDescriptor(gsp, "bar"), |
| false, true, true); |
| }, "Static name on the prototype"); |
| test(function() { |
| assert_equals(window.constructor, Window); |
| assert_false(window.hasOwnProperty("constructor"), "window.constructor should not be an own property."); |
| |
| var proto = Object.getPrototypeOf(window); |
| assert_equals(proto.constructor, Window); |
| assert_true("constructor" in proto, "constructor in proto"); |
| assert_data_propdesc(Object.getOwnPropertyDescriptor(proto, "constructor"), |
| true, false, true); |
| |
| var gsp = Object.getPrototypeOf(proto); |
| assert_true("constructor" in gsp, "constructor in gsp"); |
| assert_true(gsp.hasOwnProperty("constructor"), "gsp.hasOwnProperty(\"constructor\")"); |
| assert_data_propdesc(Object.getOwnPropertyDescriptor(gsp, "constructor"), |
| false, true, true); |
| }, "constructor"); |
| var t = async_test("Dynamic name") |
| var t2 = async_test("Ghost name") |
| t.step(function() { |
| var iframe = document.getElementsByTagName("iframe")[0]; |
| iframe.setAttribute("src", "data:text/html,<script>window.name='foo'<\/script>"); |
| iframe.onload = function() { |
| t.step(function() { |
| assert_true("foo" in window, "foo not in window"); |
| assert_equals(window["foo"], iframe.contentWindow); |
| }); |
| t.done(); |
| t2.step(function() { |
| assert_false("bar" in window, "bar still in window"); |
| assert_equals(window["bar"], undefined); |
| }); |
| t2.done(); |
| }; |
| }); |
| </script> |
