| <!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> |
