cross-origin-objects-function-length.html

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This WPT test may be referenced by the following Test IDs:
- /html/browsers/origin/cross-origin-objects/cross-origin-objects-function-length.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset=utf-8>

<title>Cross-origin methods and accessors are created with correct 'length' property</title>

<link rel="help" href="https://html.spec.whatwg.org/multipage/browsers.html#crossorigingetownpropertyhelper-(-o,-p-)">

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

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

<script src="/common/get-host-info.sub.js"></script>

<script src="cross-origin-objects-function-common.js"></script>

<div id=log></div>

<script>

"use strict";

promise_test(async t => {

    const w = await makeCrossOriginWindow(t);

    for (const {key, length} of crossOriginWindowMethods) {

        assert_equals(w[key].length, length, `w.${key} via [[Get]]`);

        const desc = Object.getOwnPropertyDescriptor(w, key);

        assert_equals(desc.value.length, length, `w.${key} via [[GetOwnProperty]]`);

}, "Cross-origin Window methods have correct 'length'");

promise_test(async t => {

    const w = await makeCrossOriginWindow(t);

    for (const {key} of crossOriginWindowAccessors) {

        const desc = Object.getOwnPropertyDescriptor(w, key);

        assert_equals(desc.get.length, 0, `w.${key}`);

        if (key === "location") {

            assert_equals(desc.set.length, 1, `w.${key}`);

}, "Cross-origin Window accessors have correct 'length'");

promise_test(async t => {

    const w = await makeCrossOriginWindow(t);

    assert_equals(w.location.replace.length, 1);

    const desc = Object.getOwnPropertyDescriptor(w.location, "replace");

    assert_equals(desc.value.length, 1);

}, "Cross-origin Location `replace` method has correct 'length'");

promise_test(async t => {

    const w = await makeCrossOriginWindow(t);

    const desc = Object.getOwnPropertyDescriptor(w.location, "href");

    assert_equals(desc.set.length, 1);

}, "Cross-origin Location `href` setter has correct 'length'");

</script>