| <!DOCTYPE html> |
| <html> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script> |
| 'use strict'; |
| |
| let expected = ['immutable', 'immutable', 'immutable', 'immutable', 'immutable']; |
| |
| async_test(function(t) { |
| let worker = new SharedWorker('immutable-prototype-worker.js'); |
| worker.port.onmessage = t.step_func_done(function(result) { |
| assert_array_equals(expected, result.data); |
| }); |
| worker.port.postMessage(null); |
| }, 'worker prototype chain should be immutable'); |
| </script> |
| </html> |
