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<!DOCTYPE html>
<meta charset="utf-8">
<title>HTML Test: HTMLLegendElement</title>
<link rel="author" title="Intel" href="http://www.intel.com/">
<link rel="help" title="4.10.17 The legend element" href="http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-legend-element">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<div style="display:none">
  <form>
    <legend id="lgd1">test</legend>
  </form>
  <form id="fm">
    <fieldset id="fs">
      <legend id="lgd2">test</legend>
    </fieldset>
  </form>
</div>
<script>
  test(function() {
    assert_equals(document.getElementById("lgd1").form, null,
                  "The legend.form return null if it has no fieldset parent.");
  }, "The legend.form return null when it has no fieldset parent");

  test(function() {
    assert_equals(document.getElementById("lgd2").form, document.getElementById("fs").form,
                  "The legend.form should be same as fieldset.form.");
    assert_equals(document.getElementById("lgd2").form, document.getElementById("fm"),
                  "The legend.form should be the correct form.");
  }, "The legend.form must be same value as fieldset.form");

  test(function() {
    assert_true(document.getElementById("lgd1") instanceof HTMLLegendElement, "legend should be a HTMLLegendElement");
    assert_readonly(document.getElementById("lgd1"), "form", "The form is not readonly");
  }, "Interface HTMLLegendElement");
</script>