default-iterator-object.html

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

<!doctype html>

<meta charset="utf-8">

<title>Default iterator objects</title>

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

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

<script>

test(() => {

  const iterator1 = new URLSearchParams()[Symbol.iterator]();

  const iterator2 = new URLSearchParams().keys();

  const iterator3 = new URLSearchParams().values();

  const iterator4 = new URLSearchParams().entries();

  assert_equals(Object.getPrototypeOf(iterator1), Object.getPrototypeOf(iterator2));

  assert_equals(Object.getPrototypeOf(iterator1), Object.getPrototypeOf(iterator3));

  assert_equals(Object.getPrototypeOf(iterator1), Object.getPrototypeOf(iterator4));

}, "Default iterator objects for an interface have the same prototype");

test(() => {

  const iterator = new URLSearchParams().entries();

  assert_equals(Object.prototype.toString.call(iterator), "[object URLSearchParams Iterator]");

}, "Object.prototype.toString returns correct value");

test(() => {

  const iterator = new URLSearchParams().entries();

  assert_equals(iterator[Symbol.toStringTag], "URLSearchParams Iterator");

  assert_equals(Object.getOwnPropertyDescriptor(iterator, Symbol.toStringTag), undefined);

}, "@@toStringTag has correct value from prototype");

</script>