| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <!-- Based on similar tests in html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/ --> |
| <title>WebAssembly.Module cannot cross agent clusters, service worker edition</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/service-workers/service-worker/resources/test-helpers.sub.js"></script> |
| <script src="./resources/create-empty-wasm-module.js"></script> |
| |
| <script> |
| "use strict"; |
| promise_test(t => { |
| const scope = "resources/blank.html"; |
| return service_worker_unregister_and_register(t, "resources/serviceworker-failure.js", scope) |
| .then(reg => { |
| t.add_cleanup(() => service_worker_unregister(t, scope)); |
| return wait_for_state(t, reg.installing, "activated"); |
| }) |
| .then(() => with_iframe(scope)) |
| .then(iframe => { |
| t.add_cleanup(() => iframe.remove()); |
| const sw = iframe.contentWindow.navigator.serviceWorker; |
| let state = "start in window"; |
| |
| return new Promise(resolve => { |
| sw.onmessage = t.step_func(e => { |
| if (e.data === "start in worker") { |
| assert_equals(state, "start in window"); |
| sw.controller.postMessage(createEmptyWasmModule()); |
| state = "we are expecting confirmation of an onmessageerror in the worker"; |
| } else if (e.data === "onmessageerror was received in worker") { |
| assert_equals(state, "we are expecting confirmation of an onmessageerror in the worker"); |
| state = "we are expecting a messageerror due to the worker sending us a WebAssembly.Module"; |
| sw.controller.postMessage(state); |
| } else { |
| assert_unreached("Got an unexpected message from the service worker: " + e.data); |
| } |
| }); |
| |
| sw.onmessageerror = t.step_func(e => { |
| assert_equals(state, "we are expecting a messageerror due to the worker sending us a WebAssembly.Module"); |
| |
| assert_equals(e.data, null, "data"); |
| assert_equals(e.origin, self.origin, "origin"); |
| assert_not_equals(e.source, null, "source"); |
| assert_equals(e.ports.length, 0, "ports length"); |
| |
| state = "done in window"; |
| resolve(); |
| }); |
| |
| sw.controller.postMessage(state); |
| }); |
| }); |
| }); |
| </script> |
