<!DOCTYPE html>
<html>
  <head>
    <meta charset=utf-8>
    <title>input max length</title>
    <link rel="author" title="Sam Gibson" href="mailto:sam@ifdown.net">
    <link rel=help href="https://html.spec.whatwg.org/multipage/forms.html#the-maxlength-and-minlength-attributes">
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
  </head>

  <body>
    <div id="log"></div>
    <p>Type a letter anywhere into the input field (do not select any text, or otherwise manipulate the input)</p>
    <input type=text maxlength=4 id=only-four value="inpu"></input>

    <script>
      var input;
      setup(function() {
        input = document.getElementById('only-four');
      }, {explicit_done: true, explicit_timeout: true});


      on_event(input, 'keyup', function(event) {
          if  ((event.keyCode >= 65 && event.keyCode <= 90) ||
                (event.keyCode >= 97 && event.keyCode <= 122)) {
            test(function() {
              assert_equals(input.value, "inpu");
            }, 'input content should limit to maxlength')

            done();
          }
      });
    </script>
  </body>
</html>

