hidden.html - mozsearch

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/forms/the-input-element/hidden.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

  <head>

    <title>Hidden input element</title>

    <link rel="author" title="Kinuko Yasuda" href="mailto:kinuko@chromium.org">

    <link rel="help" href="https://html.spec.whatwg.org/multipage/#hidden-state-(type=hidden)">

    <script src="/resources/testharness.js"></script>

    <script src="/resources/testharnessreport.js"></script>

  </head>

  <body>

    <h1>Hidden input element</h1>

    <div style="display: none">

    <input id="hidden" type="hidden" />

    <input id="hidden_with_value" type="hidden" value="foo" />

    </div>

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

  <script type="text/javascript">

    test(

      function() {

        assert_equals(document.getElementById("hidden").value, "");

        assert_equals(document.getElementById("hidden_with_value").value, "foo");

      }, "Value returns the current value for hidden");

    test(

      function() {

        document.getElementById("hidden").value = "A";

        assert_equals(document.getElementById("hidden").value, "A");

        document.getElementById("hidden").value = "B";

        assert_equals(document.getElementById("hidden").value, "B");

      }, "Setting value changes the current value for hidden");

    test(

      function() {

        assert_equals(document.getElementById("hidden").files, null);

      }, "files attribute must return null for hidden");

    test(

      function() {

        assert_equals(document.getElementById("hidden").valueAsDate, null);

      }, "valueAsDate attribute must return null for hidden");

    test(

      function() {

        assert_equals(document.getElementById("hidden").valueAsNumber, NaN);

      }, "valueAsNumber attribute must return NaN for hidden");

    test(

      function() {

        assert_equals(document.getElementById("hidden").list, null);

      }, "list attribute must return null for hidden");

    test(

      function() {

        var el = document.getElementById("hidden");

        assert_throws_dom("InvalidStateError", function() { el.stepDown(); }, "");

      }, "stepDown does not apply for hidden");

    test(

      function() {

        var el = document.getElementById("hidden");

        assert_throws_dom("InvalidStateError", function() { el.stepUp(); }, "");

      }, "stepUp does not apply for hidden");

    test(function(){

      var el = document.getElementById("hidden");

      assert_false(el.willValidate);

    }, "input type=hidden is barred from constraint validation");

  </script>

  </body>

</html>