module-error-reporting.html

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/scripting-1/the-script-element/module-error-reporting.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});

  const test = async_test("Test error event properties");

  let errorCount = 0;

  let eventCount = 0;

  window.addEventListener("error", handleError);

  window.addEventListener("load", handleLoaded);

  function handleEvent(event) {

    eventCount++;

    test.step(() => assert_equals(typeof event, "object"));

    test.step(() => assert_true(event instanceof Event));

  function handleError(event) {

    errorCount++;

    test.step(() => assert_equals(typeof event, "object"));

    test.step(() => assert_true(event instanceof ErrorEvent));

    switch (errorCount) {

      case 1:

        test.step(() => assert_true(event.error instanceof SyntaxError));

        test.step(() => assert_true(event.filename.endsWith("/bad_local_export.js")));

        test.step(() => assert_equals(event.lineno, 3));

        test.step(() => assert_equals(event.colno, 8));

        break;

      case 2:

        test.step(() => assert_true(event.error instanceof TypeError));

        test.step(() => assert_true(event.filename.endsWith("/import_resolve_failure.js")));

        test.step(() => assert_equals(event.lineno, 2));

        test.step(() => assert_equals(event.colno, 17));

        break;

      case 3:

        test.step(() => assert_true(event.error instanceof TypeError));

        test.step(() => assert_true(event.filename.endsWith("/indirect_export_resolve_failure.js")));

        test.step(() => assert_equals(event.lineno, 2));

        test.step(() => assert_equals(event.colno, 20));

        break;

      case 4:

        test.step(() => assert_true(event.error instanceof SyntaxError));

        test.step(() => assert_true(event.filename.endsWith("/missing_import.js")));

        test.step(() => assert_equals(event.lineno, 2));

        test.step(() => assert_equals(event.colno, 9));

        break;

      case 5:

        test.step(() => assert_true(event.error instanceof SyntaxError));

        test.step(() => assert_true(event.filename.endsWith("/missing_indirect_export.js")));

        test.step(() => assert_equals(event.lineno, 2));

        test.step(() => assert_equals(event.colno, 12));

        break;

      case 6:

        test.step(() => assert_true(event.error instanceof SyntaxError));

        test.step(() => assert_true(event.filename.endsWith("/module_eval_error.js")));

        test.step(() => assert_equals(event.lineno, 3));

        test.step(() => assert_equals(event.colno, 1));

        break;

  function testNoError() {

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

    test.done();

  function handleLoaded() {

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

    test.step(() => assert_equals(errorCount, 6));

    test.done();

</script>

<!-- Errors that fire an event on the script element -->

<script type="module" src="" onerror="handleEvent(event)"></script>

<script type="module" src="./does_not_exist" onerror="handleEvent(event)"></script>

<!-- Errors that fire an error event on the global -->

<script type="module" src="./support/bad_local_export.js" onerror="handleEvent(event)"></script>

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

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

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

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

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