test_scriptNotParsedAsModule.html

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<!DOCTYPE html>

<meta charset=utf-8>

<title>Test classic script not parsed as module</title>

<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

<script>

  var wasRun = false;

  var hadSyntaxError = false;

  SimpleTest.waitForExplicitFinish();

  window.onerror = handleError;

  function handleError(message, url, line, column, error) {

    hadSyntaxError = error instanceof SyntaxError;

  function testError() {

    ok(!wasRun, 'Check script was not run');

    ok(hadSyntaxError, 'Check that a SyntaxError was thrown');

    SimpleTest.finish();

</script>

<script src="module_testSyntax.mjs"></script>

<body onload='testError()'></body>