interface-object-set-receiver.html

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This WPT test may be referenced by the following Test IDs:
- /webidl/ecmascript-binding/interface-object-set-receiver.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>window.Interface is defined on [[Set]] receiver</title>

<link rel="help" href="https://webidl.spec.whatwg.org/#define-the-global-property-references">

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

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

<script>

"use strict";

const testValue = Object.freeze(function() {});

test(() => {

  window.Window = testValue;

  assert_false(window.propertyIsEnumerable("Window"));

  window.History = testValue;

  assert_false(window.propertyIsEnumerable("History"));

  window.HTMLDivElement = testValue;

  assert_false(window.propertyIsEnumerable("HTMLDivElement"))

}, "Direct [[Set]] preserves [[Enumerable]]: false property attribute");

test(() => {

  const heir = Object.create(window);

  heir.Location = testValue;

  assert_equals(heir.Location, testValue);

  assert_not_equals(window.Location, testValue);

  heir.HTMLDocument = testValue;

  assert_equals(heir.HTMLDocument, testValue);

  assert_not_equals(window.HTMLDocument, testValue);

  heir.HTMLPreElement = testValue;

  assert_equals(heir.HTMLPreElement, testValue);

  assert_not_equals(window.HTMLPreElement, testValue);

}, "Prototype chain [[Set]] creates property on receiver");

</script>