postmessage_big_wasm_memory.https.html

<!DOCTYPE html>
<html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
  <script>
test(() => {
  // WebAssembly memory greater than 2GB.
  let mem;
  try {
    mem =
      new WebAssembly.Memory({initial: 33000, maximum: 33000, shared: true});
  } catch (e) {
    // We failed to allocate the WebAssembly memory. We can just return.
    assert_equals(e.constructor, RangeError);
    assert_equals(e.message,
      "WebAssembly.Memory(): could not allocate memory");
    return;
  }
  window.postMessage(mem, "*");
}, "Test that WebAssembly memories greater than 2GB can be postmessaged.");
  </script>
</body>
</html>

chromium/third_party/blink/web_tests/wpt_internal/wasm/postmessage_big_wasm_memory.https.html