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https://github.com/web-platform-tests/wpt
26 December 2018, 22:31:15 UTC
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Tip revision: c77d6e6ae0395fc6d534ad051dca119a775701f2 authored by Joanmarie Diggs on 10 April 2018, 15:51:52 UTC
accname: Updated tests
Tip revision: c77d6e6
maxlength.html 
<!DOCTYPE html>
<html>
  <head>
    <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>
    <h1>Text input element</h1>

    <div style="display: none">
      <input id="none" />
      <input id="negative" type="-5" />
      <input id="non-numeric" type="not-a-number" />
      <input id="assign-negative" />
      <input id="assign-non-numeric" />
    </div>

    <div id="log"></div>

    <script type="text/javascript">
      test(
        function() {
          assert_equals(document.getElementById("none").maxLength, -1);
        }, "Unset maxlength is -1");

      test(
        function() {
          assert_equals(document.getElementById("negative").maxLength, -1);
        }, "Negative maxlength is always -1");

      test(
        function() {
          assert_equals(document.getElementById("non-numeric").maxLength, -1);
        }, "Non-numeric maxlength is -1");

      test(
          function() {
            assert_throws("INDEX_SIZE_ERR", function() {
              document.getElementById("assign-negative").maxLength = -5;
            });
          }, "Assigning negative integer throws IndexSizeError");

      test(
          function() {
            document.getElementById("assign-non-numeric").maxLength = "not-a-number";
            assert_equals(document.getElementById("assign-non-numeric").maxLength, 0);
          }, "Assigning non-numeric to maxlength sets maxlength to 0");
    </script>
  </body>
</html>
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