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<!DOCTYPE html>
<meta charset="utf-8">
<title>HTML Test: HTMLFieldSetElement interface</title>
<link rel="author" title="Intel" href="http://www.intel.com/">
<link rel="help" href="https://html.spec.whatwg.org/multipage/#the-fieldset-element">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<form name="fm1" style="display:none">
<fieldset id="fs_outer">
<legend><input type="checkbox" name="cb"></legend>
<input type=text name="txt" id="ctl1">
<button id="ctl2" name="btn">BUTTON</button>
<fieldset id="fs_inner">
<input type="text" name="txt_inner">
<progress name="pg" value="0.5"></progress>
</fieldset>
</fieldset>
</form>
<script>
var fm1,
fs_outer,
children_outer;
setup(function () {
fm1 = document.forms.fm1;
fs_outer = document.getElementById("fs_outer");
children_outer = fs_outer.elements;
});
test(function () {
assert_equals(fs_outer.type, "fieldset", "The value of type attribute is incorrect.");
}, "The type attribute must return 'fieldset'");
test(function () {
assert_equals(fs_outer.form, fm1, "The fieldset should have a form owner.");
}, "The form attribute must return the fieldset's form owner");
test(function () {
assert_equals(children_outer.constructor, HTMLCollection,
"The elements attribute should be an HTMLCollection object");
}, "The elements must return an HTMLCollection object");
test(function () {
var fs_inner = document.getElementById("fs_inner");
var children_inner = fs_inner.elements;
assert_array_equals(children_inner, [fm1.txt_inner],
"The items in the collection must be children of the inner fieldset element.");
assert_array_equals(children_outer, [fm1.cb, fm1.txt, fm1.btn, fm1.fs_inner, fm1.txt_inner],
"The items in the collection must be children of the outer fieldset element.");
}, "The controls must root at the fieldset element");
</script>
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