| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>SharedArrayBuffers cannot be transferred</title> |
| <link rel="help" href="https://html.spec.whatwg.org/#structuredclone"> |
| <link rel="author" title="Domenic Denicola" href="mailto:d@domenic.me"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <script> |
| "use strict"; |
| |
| test(() => { |
| const sab = new SharedArrayBuffer(); |
| assert_throws_dom("DataCloneError", () => window.postMessage(sab, "*", [sab])); |
| assert_throws_dom("DataCloneError", () => window.postMessage("test", "*", [sab])); |
| }, "Trying to transfer a SharedArrayBuffer to this window throws"); |
| |
| test(() => { |
| const sab = new SharedArrayBuffer(); |
| const worker = new Worker("../resources/echo-worker.js"); |
| assert_throws_dom("DataCloneError", () => worker.postMessage(sab, [sab])); |
| assert_throws_dom("DataCloneError", () => worker.postMessage("test", [sab])); |
| }, "Trying to transfer a SharedArrayBuffer to a worker throws"); |
| |
| test(() => { |
| const sab = new SharedArrayBuffer(); |
| const channel = new MessageChannel(); |
| assert_throws_dom("DataCloneError", () => channel.port1.postMessage(sab, [sab])); |
| assert_throws_dom("DataCloneError", () => channel.port1.postMessage("test", [sab])); |
| }, "Trying to transfer a SharedArrayBuffer through a MessagePort throws"); |
| </script> |
