| <!DOCTYPE html> | |
| <html> | |
| <script src="../resources/testharness.js"></script> | |
| <script src="../resources/testharnessreport.js"></script> | |
| <script src="immutable-prototype.js"></script> | |
| <script> | |
| 'use strict'; | |
| test(() => { | |
| let result = prototypeChain(window); | |
| assert_array_equals(result, | |
| ['immutable', 'immutable', 'immutable', 'immutable', 'immutable']); | |
| }, 'global object prototype chain should be immutable'); | |
| </script> | |
| </html> |