| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>Location.prototype objects don't have own "toString" and "valueOf" properties</title> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <script> |
| "use strict"; |
| |
| test(t => { |
| assert_not_own_property(Location.prototype, "toString"); |
| t.add_cleanup(() => { delete Location.prototype.toString; }); |
| |
| let val; |
| Object.defineProperty(Location.prototype, "toString", { |
| get: () => val, |
| set: newVal => { val = newVal; }, |
| enumerable: false, |
| configurable: true, |
| }); |
| |
| Location.prototype.toString = 2; |
| assert_equals(Location.prototype.toString, 2); |
| }, "'toString' accessor property is defined"); |
| |
| test(t => { |
| assert_not_own_property(Location.prototype, "toString"); |
| t.add_cleanup(() => { delete Location.prototype.toString; }); |
| |
| Location.prototype.toString = 4; |
| assert_equals(Location.prototype.toString, 4); |
| }, "'toString' data property is created via [[Set]]"); |
| |
| test(t => { |
| assert_not_own_property(Location.prototype, "valueOf"); |
| t.add_cleanup(() => { delete Location.prototype.valueOf; }); |
| |
| Object.defineProperty(Location.prototype, "valueOf", { |
| get: () => 6, |
| enumerable: true, |
| configurable: true, |
| }); |
| |
| assert_equals(Location.prototype.valueOf, 6); |
| }, "'valueOf' accessor property is defined"); |
| |
| test(t => { |
| assert_not_own_property(Location.prototype, "valueOf"); |
| t.add_cleanup(() => { delete Location.prototype.valueOf; }); |
| |
| Location.prototype.valueOf = 8; |
| assert_equals(Object.getOwnPropertyDescriptor(Location.prototype, "valueOf").value, 8); |
| }, "'valueOf' data property is created via [[Set]]"); |
| </script> |
