| <!DOCTYPE html> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <script> |
| test(() => { |
| assert_equals(window.constructor.prototype, window.__proto__, |
| "Window constructor prototype is window prototype."); |
| |
| assert_throws_js(TypeError, () => { window.constructor(); }, |
| "Window constructor must be non-callable."); |
| assert_throws_js(TypeError, () => { new window.constructor; }, |
| "Window constructor must be non-callable."); |
| |
| assert_throws_js(TypeError, () => { window.__proto__.constructor(); }, |
| "Window.prototype constructor must be non-callable."); |
| assert_throws_js(TypeError, () => { new window.__proto__.constructor; }, |
| "Window.prototype constructor must be non-callable."); |
| |
| assert_equals(window.__proto__.__proto__.constructor, EventTarget, |
| "WindowProperties constructor is EventTarget."); |
| }, "Test Window and its prototype chain's constructors."); |
| </script> |
