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| 1 <!DOCTYPE html> |
| 2 <html> |
| 3 <script src="../resources/testharness.js"></script> |
| 4 <script src="../resources/testharnessreport.js"></script> |
| 5 <script> |
| 6 'use strict'; |
| 7 |
| 8 let expected = ['immutable', 'immutable', 'immutable', 'immutable', 'immutable']
; |
| 9 |
| 10 promise_test(t => |
| 11 navigator.serviceWorker.register('resources/immutable-prototype-serviceworker.
js', {scope: './resources/'}) |
| 12 .then(registration => { |
| 13 let worker = registration.installing || registration.waiting || registration
.active; |
| 14 let channel = new MessageChannel() |
| 15 worker.postMessage(channel.port2, [channel.port2]); |
| 16 let resolve; |
| 17 let promise = new Promise(r => resolve = r); |
| 18 channel.port1.onmessage = resolve; |
| 19 return promise.then(result => assert_array_equals(expected, result.data)); |
| 20 }), |
| 21 'worker prototype chain should be immutable'); |
| 22 </script> |
| 23 </html> |
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