File: window-sharedworker-failure.html

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<!doctype html>
<!-- Based on similar tests in html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/ -->
<title>WebAssembly.Modules cannot cross agent clusters, shared worker edition</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="./resources/create-empty-wasm-module.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(createEmptyWasmModule())
    } 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>