| "use strict"; |
| self.importScripts("/resources/testharness.js"); |
| |
| let state = "start in worker"; |
| |
| self.onmessage = e => { |
| if (e.data === "start in window") { |
| assert_equals(state, "start in worker"); |
| e.source.postMessage(state); |
| state = "we are expecting a messageerror due to the window sending us a SAB"; |
| } else if (e.data === "we are expecting a messageerror due to the worker sending us a SAB") { |
| assert_equals(state, "onmessageerror was received in worker"); |
| e.source.postMessage(new SharedArrayBuffer()); |
| state = "done in worker"; |
| } else { |
| e.source.postMessage(`worker onmessage was reached when in state "${state}" and data ${e.data}`); |
| } |
| }; |
| |
| self.onmessageerror = e => { |
| if (state === "we are expecting a messageerror due to the window sending us a SAB") { |
| assert_equals(e.constructor.name, "ExtendableMessageEvent", "type"); |
| assert_equals(e.data, null, "data"); |
| assert_equals(e.origin, self.origin, "origin"); |
| assert_not_equals(e.source, null, "source"); |
| assert_equals(e.ports.length, 0, "ports length"); |
| |
| state = "onmessageerror was received in worker"; |
| e.source.postMessage(state); |
| } else { |
| e.source.postMessage(`worker onmessageerror was reached when in state "${state}" and data ${e.data}`); |
| } |
| }; |