no-transferring.https.html

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This WPT test may be referenced by the following Test IDs:
- /html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/no-transferring.https.html - WPT Dashboard Interop Dashboard

<!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>