windowproxy-define-own-property-unforgeable-same-origin.html

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This test has a WPT meta file that expects 4 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/browsers/the-windowproxy-exotic-object/windowproxy-define-own-property-unforgeable-same-origin.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>[[DefineOwnProperty]] on a WindowProxy forwards to OrdinaryDefineOwnProperty for same-origin objects</title>

<link rel="help" href="https://html.spec.whatwg.org/multipage/window-object.html#windowproxy-defineownproperty">

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

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

<script>

"use strict";

for (const key of ["window", "document", "location", "top"]) {

    const { get, set } = Object.getOwnPropertyDescriptor(window, key);

    test(() => {

        Object.defineProperty(window, key, {});

        assert_true(Reflect.defineProperty(window, key, { configurable: false }), "[[Configurable]]: false");

        Object.defineProperty(window, key, { enumerable: true });

        assert_true(Reflect.defineProperty(window, key, { get }), "[[Get]]: unchanged");

        Object.defineProperty(window, key, { set });

        assert_true(Reflect.defineProperty(window, key, { get, set }), "[[Get]]: unchanged, [[Set]]: unchanged");

        Object.defineProperty(window, key, { get, set, enumerable: true, configurable: false });

    }, `[[DefineOwnProperty]] success: "${key}"`);

    test(() => {

        assert_throws_js(TypeError, () => {

            Object.defineProperty(window, key, { configurable: true });

        }, "[[Configurable]]: true");

        assert_false(Reflect.defineProperty(window, key, { enumerable: false }), "[[Enumerable]]: false");

        assert_throws_js(TypeError, () => {

            Object.defineProperty(window, key, { get() {}, set });

        }, "[[Get]]: changed, [[Set]]: unchanged");

        assert_false(Reflect.defineProperty(window, key, { get, set() {} }), "[[Get]]: unchanged, [[Set]]: changed");

        assert_throws_js(TypeError, () => {

            Object.defineProperty(window, key, { writable: false, configurable: true });

        }, "[[Writable]]: false, [[Configurable]]: true");

        assert_false(Reflect.defineProperty(window, key, { value: window[key], enumerable: true }), "[[Value]], [[Enumerable]]: true");

    }, `[[DefineOwnProperty]] failure: "${key}"`);

</script>