<!doctype html>
<html>
<head>
<script src="harness.js"></script>
</head>
<body>
<script>
// test1: 1-to-1
{
var root = document.createElement("div");
var elem = document.createElement("div");
var foo = document.createTextNode("foo");
var bar = document.createTextNode("bar");
elem.appendChild(bar);
is(elem.replaceChild(bar, bar), bar, "test1-0, 1-to-1");
is(elem.childNodes[0], bar, "test1-1, 1-to-1");
root.appendChild(foo);
is(root.replaceChild(bar, foo), foo, "test1-2, 1-to-1");
is(elem.childNodes.length, 0, "test1-3, 1-to-1");
is(root.childNodes[0], bar, "test1-4, 1-to-1");
elem.appendChild(foo);
is(root.replaceChild(elem, bar), bar, "test1-5, 1-to-1");
is(root.childNodes[0].childNodes[0], foo, "test1-6, 1-to-1");
}
// test2: doctype
{
var doc_doctype = document.doctype;
var new_doctype = document.implementation.createDocumentType("html", null, null);
is_not(doc_doctype, new_doctype, "test2-0, doctype");
is(document.replaceChild(new_doctype, doc_doctype), doc_doctype, "test2-1, doctype");
is(document.doctype, new_doctype, "test2-2, doctype");
}
// test3: documentElement
{
var doc_elem = document.documentElement;
var new_elem = document.createElement("html");
is_not(doc_elem, new_elem, "test3-0, documentElement");
is(document.replaceChild(new_elem, doc_elem), doc_elem, "test3-1, documentElement");
is(document.documentElement, new_elem, "test3-2, documentElement");
}
</script>
</body>
</html>