reload-failed-module-script.html

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/scripting-1/the-script-element/reload-failed-module-script.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset=utf-8>

<title>Insert non-async module script</title>

<script src=/resources/testharness.js></script>

<script src=/resources/testharnessreport.js></script>

<script>

  setup({allow_uncaught_exception: true});

  var test = async_test("Reload failed module script");

  var errorCount = 0;

  window.addEventListener("error", handleError);

  function handleError() {

    errorCount++;

    if (errorCount == 1) {

      reloadModule();

      return;

    test.step(() => assert_equals(errorCount, 2));

    test.done();

  function reloadModule() {

    var script = document.createElement("script");

    script.onerror = testNoError;

    script.type = "module";

    script.src = "support/missing_import.js";

    script.async = false;

    document.documentElement.appendChild(script);

  function testNoError() {

    test.step(() => assert_unreached("No event expect here"));

    test.done();

</script>

<script type="module" src="support/missing_import.js" onerror="testNoError()"></script>