test.html

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 Licensed under the Apache License, Version 2.0 (the "License");
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<!DOCTYPE html>
<meta charset="UTF-8" />
<link rel="stylesheet" href="node_modules/mocha/mocha.css" />
<script src="node_modules/mocha/mocha.js"></script>
<script src="node_modules/chai/chai.js"></script>
<link rel="stylesheet" type="text/css" href="dist/dialog-polyfill.css" />
<script type="module">

import dialogPolyfill from './index.js';
window.dialogPolyfill = dialogPolyfill;

</script>
<script>

var assert = chai.assert;
mocha.setup({ ui: 'tdd' });

(function() {
  var pageError = null;

  window.addEventListener('error', function(event) {
    pageError = event.filename   ':'   event.lineno   ' '   event.message;
  });

  window.addEventListener('load', function() {
    if (pageError) {
      suite('page-script-errors', function() {
        test('no script errors on page', function() {
          assert.fail(null, null, pageError);
        });
      });
    }
    mocha.run();
  });
})();

</script>
<div id="mocha"></div>
<script src="suite.js"></script>