<!DOCTYPE html>
<!-- Based on similar tests in html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/ -->
<meta charset="utf-8">
<title>WebAssembly.Modules, when cloned, do not give back the same object</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="./resources/test-incrementer.js"></script>

<div id="log"></div>

<script>
"use strict";

async_test(t => {
  createWasmModule().then(module => {
    window.addEventListener("message", t.step_func(({ data }) => {
      if (data.testId !== 1) {
        return;
      }

      assert_not_equals(data.module, module);

      t.done();
    }));

    window.postMessage({ module, testId: 1 }, "*");
  });
}, "postMessaging to this window does not give back the same WebAssembly.Module");

async_test(t => {
  createWasmModule().then(module => {
    const worker = new Worker("resources/echo-worker.js");

    worker.addEventListener("message", t.step_func(({ data }) => {
      if (data.testId !== 2) {
        return;
      }

      assert_not_equals(data.module, module);
      t.done();
    }));

    worker.postMessage({ testId: 2, module });
  });
}, "postMessaging to a worker and back does not give back the same WebAssembly.Module");

async_test(t => {
  createWasmModule().then(module => {
    window.addEventListener("message", t.step_func(({ data }) => {
      if (data.testId !== 3) {
        return;
      }

      assert_not_equals(data.module, module);
      t.done();
    }));

    const iframe = document.createElement("iframe");
    iframe.onload = t.step_func(() => {
      iframe.contentWindow.postMessage({ testId: 3, module }, "*");
    });
    iframe.src = "resources/echo-iframe.html";
    document.body.appendChild(iframe);
  });
}, "postMessaging to an iframe and back does not give back the same WebAssembly.Module");
</script>
