third_party/WebKit/LayoutTests/external/wpt/staticrange/idlharness.html

<title>Static Range IDL tests</title>
<link rel="help" href="http://garykac.github.io/staticrange/index.html#interface-staticrange"/>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/WebIDLParser.js"></script>
<script src="/resources/idlharness.js"></script>

<pre id="untested_idl">
interface Node {
};
</pre>

<pre id='idl'>
interface StaticRange {
    readonly attribute Node startContainer;
    readonly attribute unsigned long startOffset;
    readonly attribute Node endContainer;
    readonly attribute unsigned long endOffset;
    readonly attribute boolean collapsed;
};
</pre>

<script>
(function(){
    "use strict";
    const idl_array = new IdlArray();
    idl_array.add_untested_idls(document.getElementById("untested_idl").textContent);
    idl_array.add_idls(document.getElementById("idl").textContent);
    idl_array.test();
})();
</script>