window-sharedworker-failure.https.html

<!doctype html>
<title>SharedArrayBuffer cannot cross agent clusters, shared worker edition</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
async_test(t => {
  const sw = new SharedWorker("resources/sharedworker-failure.js")
  let state = ""
  sw.port.onmessage = t.step_func(e => {
    if(e.data === "send-sw-failure") {
      sw.port.postMessage(new SharedArrayBuffer())
    } else if(e.data === "send-sw-failure-success") {
      state = "send-window-failure"
      sw.port.postMessage(state)
    } else {
      assert_unreached()
    }
  })
  sw.port.onmessageerror = t.step_func(e => {
    if(state === "send-window-failure") {
      assert_equals(e.data, null, "data")
      assert_equals(e.origin, "", "origin")
      assert_equals(e.source, null, "source")
      assert_equals(e.ports.length, 0, "ports length")
      t.done()
    } else {
      assert_unreached()
    }
  })
})
</script>

chromium/third_party/blink/web_tests/external/wpt/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/window-sharedworker-failure.https.html