Node-lookupPrefix.xhtml

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This WPT test may be referenced by the following Test IDs:
- /dom/nodes/Node-lookupPrefix.xhtml - WPT Dashboard Interop Dashboard

<html xmlns="http://www.w3.org/1999/xhtml" xmlns:x="test">

<head>

<title>Node.lookupPrefix</title>

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

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

</head>

<body xmlns:s="test">

<div id="log"/>

<x xmlns:t="test"><!--comment--><?test test?>TEST<x/></x>

<script>

function lookupPrefix(node, ns, prefix) {

  test(function() {

    assert_equals(node.lookupPrefix(ns), prefix)

})

var x = document.getElementsByTagName("x")[0];

lookupPrefix(document, "test", "x") // XXX add test for when there is no documentElement

lookupPrefix(document, null, null)

lookupPrefix(x, "http://www.w3.org/1999/xhtml", null)

lookupPrefix(x, "something", null)

lookupPrefix(x, null, null)

lookupPrefix(x, "test", "t")

lookupPrefix(x.parentNode, "test", "s")

lookupPrefix(x.firstChild, "test", "t")

lookupPrefix(x.childNodes[1], "test", "t")

lookupPrefix(x.childNodes[2], "test", "t")

lookupPrefix(x.lastChild, "test", "t")

x.parentNode.removeChild(x)

</script>

</body>

</html>