Start creating content unit tests; add XML serializer and parser tests. Bug

301260, r=sicking
This commit is contained in:
bzbarsky%mit.edu 2005-11-29 16:24:42 +00:00
Родитель 14107143f5
Коммит e0895167b5
7 изменённых файлов: 703 добавлений и 0 удалений

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@ -55,5 +55,9 @@ endif
DIRS += events
ifdef ENABLE_TESTS
TOOL_DIRS += test
endif
include $(topsrcdir)/config/rules.mk

61
content/test/Makefile.in Normal file
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#
# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is mozilla.org code.
#
# The Initial Developer of the Original Code is
# Mozilla.org.
# Portions created by the Initial Developer are Copyright (C) 2005
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Boris Zbarsky <bzbarsky@mit.edu> (Original author)
#
# Alternatively, the contents of this file may be used under the terms of
# either of the GNU General Public License Version 2 or later (the "GPL"),
# or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****
DEPTH = ../..
topsrcdir = @top_srcdir@
srcdir = @srcdir@
VPATH = @srcdir@
include $(DEPTH)/config/autoconf.mk
MODULE = test_content
include $(topsrcdir)/config/rules.mk
_UNIT_FILES = unit/test_all.sh \
unit/head.js \
unit/tail.js \
unit/test_xml_parser.js \
unit/test_xml_serializer.js \
$(NULL)
libs:: $(_UNIT_FILES)
$(INSTALL) $^ $(DIST)/bin/content_unit_tests
check::
$(RUN_TEST_PROGRAM) $(DIST)/bin/content_unit_tests/test_all.sh

263
content/test/unit/head.js Normal file
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@ -0,0 +1,263 @@
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Google Inc.
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Darin Fisher <darin@meer.net>
* Boris Zbarsky <bzbarsky@mit.edu>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
// This file contains common code that is loaded with each test file.
const I = Components.interfaces;
const C = Components.classes;
const nsIEventQueueService = I.nsIEventQueueService;
const nsIEventQueue = I.nsIEventQueue;
const nsILocalFile = I.nsILocalFile;
const nsIProperties = I.nsIProperties;
const nsIFileInputStream = I.nsIFileInputStream;
const nsIInputStream = I.nsIInputStream;
const nsIDOMParser = I.nsIDOMParser;
const nsIDOMSerializer = I.nsIDOMSerializer;
const nsIDOMDocument = I.nsIDOMDocument;
const nsIDOMElement = I.nsIDOMElement;
const nsIDOMNode = I.nsIDOMNode;
const nsIDOMCharacterData = I.nsIDOMCharacterData;
const nsIDOMAttr = I.nsIDOMAttr;
const nsIDOMProcessingInstruction = I.nsIDOMProcessingInstruction;
var _eqs;
var _quit = false;
var _fail = false;
var _running_event_loop = false;
var _tests_pending = 0;
function _TimerCallback(expr) {
this._expr = expr;
}
_TimerCallback.prototype = {
_expr: "",
QueryInterface: function(iid) {
if (iid.Equals(Components.interfaces.nsITimerCallback) ||
iid.Equals(Components.interfaces.nsISupports))
return this;
throw Components.results.NS_ERROR_NO_INTERFACE;
},
notify: function(timer) {
eval(this._expr);
}
};
function do_timeout(delay, expr) {
var timer = Components.classes["@mozilla.org/timer;1"]
.createInstance(Components.interfaces.nsITimer);
timer.initWithCallback(new _TimerCallback(expr), delay, timer.TYPE_ONE_SHOT);
}
function do_main() {
if (_quit)
return;
dump("*** running event loop\n");
var eq = _eqs.getSpecialEventQueue(_eqs.CURRENT_THREAD_EVENT_QUEUE);
_running_event_loop = true;
eq.eventLoop(); // unblocked via interrupt from do_quit()
_running_event_loop = false;
// process any remaining events before exiting
eq.processPendingEvents();
eq.stopAcceptingEvents();
eq.processPendingEvents();
}
function do_quit() {
dump("*** exiting\n");
_quit = true;
if (_running_event_loop) {
// interrupt the current thread to make eventLoop return.
var thr = Components.classes["@mozilla.org/thread;1"]
.createInstance(Components.interfaces.nsIThread);
thr.currentThread.interrupt();
}
}
function do_throw(text) {
_fail = true;
do_quit();
dump("*** CHECK FAILED: " + text + "\n");
var frame = Components.stack;
while (frame != null) {
dump(frame + "\n");
frame = frame.caller;
}
throw Components.results.NS_ERROR_ABORT;
}
function do_check_neq(_left, _right) {
if (_left == _right)
do_throw(_left + " != " + _right);
}
function do_check_eq(_left, _right) {
if (_left != _right)
do_throw(_left + " == " + _right);
}
function do_test_pending() {
dump("*** test pending\n");
_tests_pending++;
}
function do_test_finished() {
dump("*** test finished\n");
if (--_tests_pending == 0)
do_quit();
}
function DOMParser() {
return C["@mozilla.org/xmlextras/domparser;1"].createInstance(nsIDOMParser);
}
function ParseFile(file) {
if (typeof(file) == "string") {
var dirServ = C["@mozilla.org/file/directory_service;1"]
.getService(nsIProperties);
var dummy = {};
var fileObj = dirServ.get("CurProcD", nsILocalFile);
fileObj.append("content_unit_tests");
fileObj.append(file);
file = fileObj;
}
do_check_eq(file instanceof nsILocalFile, true);
fileStr = C["@mozilla.org/network/file-input-stream;1"]
.createInstance(nsIFileInputStream);
// Init for readonly reading
fileStr.init(file, 0x01, 0400, nsIFileInputStream.CLOSE_ON_EOF);
return ParseXML(fileStr);
}
function ParseXML(data) {
if (typeof(data) == "string") {
return DOMParser().parseFromString(data, "application/xml");
}
do_check_eq(data instanceof nsIInputStream, true);
return DOMParser().parseFromStream(data, "UTF-8", data.available(),
"application/xml");
}
function DOMSerializer() {
return C["@mozilla.org/xmlextras/xmlserializer;1"]
.createInstance(nsIDOMSerializer);
}
function SerializeXML(node) {
return DOMSerializer().serializeToString(node);
}
function roundtrip(obj) {
if (typeof(obj) == "string") {
return SerializeXML(ParseXML(obj));
}
do_check_eq(obj instanceof nsIDOMNode, true);
return ParseXML(SerializeXML(obj));
}
function do_compare_attrs(e1, e2) {
const xmlns = "http://www.w3.org/2000/xmlns/";
var a1 = e1.attributes;
var a2 = e2.attributes;
for (var i = 0; i < a1.length; ++i) {
var att = a1.item(i);
// Don't test for namespace decls, since those can just sorta be
// scattered about
if (att.namespaceURI != xmlns) {
var att2 = a2.getNamedItemNS(att.namespaceURI, att.localName);
if (!att2) {
do_throw("Missing attribute with namespaceURI '" + att.namespaceURI +
"' and localName '" + att.localName + "'");
}
do_check_eq(att.QueryInterface(nsIDOMAttr).value,
att2.QueryInterface(nsIDOMAttr).value);
}
}
}
function do_check_equiv(dom1, dom2) {
do_check_eq(dom1.nodeType, dom2.nodeType);
// There's no classinfo around, so we'll need to do some QIing to
// make sure the right interfaces are flattened as needed.
switch (dom1.nodeType) {
case nsIDOMNode.PROCESSING_INSTRUCTION_NODE:
do_check_eq(dom1.QueryInterface(nsIDOMProcessingInstruction).target,
dom2.QueryInterface(nsIDOMProcessingInstruction).target);
do_check_eq(dom1.data, dom2.data);
case nsIDOMNode.TEXT_NODE:
case nsIDOMNode.CDATA_SECTION_NODE:
case nsIDOMNode.COMMENT_NODE:
do_check_eq(dom1.QueryInterface(nsIDOMCharacterData).data,
dom2.QueryInterface(nsIDOMCharacterData).data);
break;
case nsIDOMNode.ELEMENT_NODE:
do_check_eq(dom1.namespaceURI, dom2.namespaceURI);
do_check_eq(dom1.localName, dom2.localName);
// Compare attrs in both directions -- do_compare_attrs does a
// subset check.
do_compare_attrs(dom1, dom2);
do_compare_attrs(dom2, dom1);
// Fall through
case nsIDOMNode.DOCUMENT_NODE:
do_check_eq(dom1.childNodes.length, dom2.childNodes.length);
for (var i = 0; i < dom1.childNodes.length; ++i) {
do_check_equiv(dom1.childNodes.item(i), dom2.childNodes.item(i));
}
break;
}
}
function do_check_serialize(dom) {
do_check_equiv(dom, roundtrip(dom));
}
// setup the main thread event queue
_eqs = Components.classes["@mozilla.org/event-queue-service;1"]
.getService(nsIEventQueueService);
_eqs.createMonitoredThreadEventQueue();

52
content/test/unit/tail.js Normal file
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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Google Inc.
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Darin Fisher <darin@meer.net>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
try {
do_test_pending();
run_test();
do_test_finished();
do_main();
} catch (e) {
_fail = true;
dump(e + "\n");
}
if (_fail)
dump("*** FAIL ***\n");
else
dump("*** PASS ***\n");

62
content/test/unit/test_all.sh Executable file
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@ -0,0 +1,62 @@
#!/bin/sh
#
# vim:set ts=2 sw=2 sts=2 et:
#
# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is mozilla.org code.
#
# The Initial Developer of the Original Code is Google Inc.
# Portions created by the Initial Developer are Copyright (C) 2005
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Darin Fisher <darin@meer.net>
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK ***** */
# allow core dumps
ulimit -c 20480 2> /dev/null
dir=`dirname $0`
bin="$dir/.."
exit_status=0
for t in $dir/test_*.js
do
echo -n "$t: "
$bin/xpcshell -f $dir/head.js -f $t -f $dir/tail.js 2> $t.log 1>&2
if [ `grep -c '\*\*\* PASS' $t.log` = 0 ]
then
echo "FAIL (see $t.log)"
exit_status=1
else
echo "PASS"
fi
done
exit $exit_status

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function run_test () {
for (var i = 0; i < tests.length && tests[i][0]; ++i) {
if (!tests[i][0].call()) {
do_throw(tests[i][1]);
}
}
}
var tests = [
[ test1, "Unable to parse basic XML document" ],
[ test2, "ParseXML doesn't return nsIDOMDocument" ],
[ test3, "ParseXML return value's documentElement is not nsIDOMElement" ],
[ test4, "" ],
[ test5, "" ],
[ test6, "" ],
[ null ]
];
function test1() {
return ParseXML("<root/>");
}
function test2() {
return (ParseXML("<root/>") instanceof nsIDOMDocument);
}
function test3() {
return (ParseXML("<root/>").documentElement instanceof nsIDOMElement);
}
function test4() {
var doc = ParseXML("<root/>");
do_check_eq(doc.documentElement.namespaceURI, null);
return true;
}
function test5() {
var doc = ParseXML("<root xmlns=''/>");
do_check_eq(doc.documentElement.namespaceURI, null);
return true;
}
function test6() {
var doc = ParseXML("<root xmlns='ns1'/>");
do_check_neq(doc.documentElement.namespaceURI, null);
do_check_eq(doc.documentElement.namespaceURI, 'ns1');
return true;
}

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function run_test() {
for (var i = 0; i < tests.length && tests[i]; ++i) {
tests[i].call();
}
}
var tests = [
test1,
test2,
test3,
test4,
test5,
test6,
null
];
function testString(str) {
do_check_eq(roundtrip(str), str);
}
function test1() {
// Basic round-tripping which we expect to hand back the same text
// as we passed in (not strictly required for correctness in some of
// those cases, but best for readability of serializer output)
testString('<root/>');
testString('<root><child/></root>');
testString('<root xmlns=""/>');
testString('<root xml:lang="en"/>');
testString('<root xmlns="ns1"><child xmlns="ns2"/></root>')
testString('<root xmlns="ns1"><child xmlns=""/></root>')
testString('<a:root xmlns:a="ns1"><child/></a:root>')
testString('<a:root xmlns:a="ns1"><a:child/></a:root>')
testString('<a:root xmlns:a="ns1"><b:child xmlns:b="ns1"/></a:root>')
testString('<a:root xmlns:a="ns1"><a:child xmlns:a="ns2"/></a:root>')
testString('<a:root xmlns:a="ns1"><b:child xmlns:b="ns1" b:attr=""/></a:root>')
}
function test2() {
// Test setting of "xmlns" attribute in the null namespace
// XXXbz are these tests needed? What should happen here? These
// may be bogus.
// Setting random "xmlns" attribute
var doc = ParseXML('<root xmlns="ns1"/>');
doc.documentElement.setAttribute("xmlns", "ns2");
do_check_serialize(doc);
}
function test3() {
// Test basic appending of kids. Again, we're making assumptions
// about how our serializer will serialize simple DOMs.
var doc = ParseXML('<root xmlns="ns1"/>');
var root = doc.documentElement;
var child = doc.createElementNS("ns2", "child");
root.appendChild(child);
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<root xmlns="ns1"><child xmlns="ns2"/></root>');
doc = ParseXML('<root xmlns="ns1"/>');
root = doc.documentElement;
child = doc.createElementNS("ns2", "prefix:child");
root.appendChild(child);
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<root xmlns="ns1"><prefix:child xmlns:prefix="ns2"/></root>');
doc = ParseXML('<prefix:root xmlns:prefix="ns1"/>');
root = doc.documentElement;
child = doc.createElementNS("ns2", "prefix:child");
root.appendChild(child);
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<prefix:root xmlns:prefix="ns1"><a0:child xmlns:a0="ns2"/>'+
'</prefix:root>');
}
function test4() {
// setAttributeNS tests
var doc = ParseXML('<root xmlns="ns1"/>');
var root = doc.documentElement;
root.setAttributeNS("ns1", "prefix:local", "val");
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<root xmlns="ns1" prefix:local="val" xmlns:prefix="ns1"/>');
doc = ParseXML('<prefix:root xmlns:prefix="ns1"/>');
root = doc.documentElement;
root.setAttributeNS("ns1", "local", "val");
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<prefix:root xmlns:prefix="ns1" prefix:local="val"/>');
doc = ParseXML('<root xmlns="ns1"/>');
root = doc.documentElement;
root.setAttributeNS("ns2", "local", "val");
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<root xmlns="ns1" a0:local="val" xmlns:a0="ns2"/>');
// Handling of prefix-generation for non-null-namespace attributes
// which have the same namespace as the current default namespace
// (bug 301260).
doc = ParseXML('<root xmlns="ns1"/>');
root = doc.documentElement;
root.setAttributeNS("ns1", "local", "val");
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<root xmlns="ns1" a0:local="val" xmlns:a0="ns1"/>');
// Tree-walking test
doc = ParseXML('<root xmlns="ns1" xmlns:a="ns2">'+
'<child xmlns:b="ns2" xmlns:a="ns3">'+
'<child2/></child></root>');
root = doc.documentElement;
// Have to QI here -- no classinfo flattening in xpcshell, apparently
var node = root.firstChild.firstChild.QueryInterface(nsIDOMElement);
node.setAttributeNS("ns4", "l1", "v1");
node.setAttributeNS("ns4", "p2:l2", "v2");
node.setAttributeNS("", "p3:l3", "v3");
node.setAttributeNS("ns3", "l4", "v4");
node.setAttributeNS("ns3", "p5:l5", "v5");
node.setAttributeNS("ns3", "a:l6", "v6");
node.setAttributeNS("ns2", "l7", "v7");
node.setAttributeNS("ns2", "p8:l8", "v8");
node.setAttributeNS("ns2", "b:l9", "v9");
node.setAttributeNS("ns2", "a:l10", "v10");
node.setAttributeNS("ns1", "a:l11", "v11");
node.setAttributeNS("ns1", "b:l12", "v12");
node.setAttributeNS("ns1", "l13", "v13");
do_check_serialize(doc);
// Note: we end up with "a2" as the prefix on "l11" and "l12" because we use
// "a1" earlier, and discard it in favor of something we get off the
// namespace stack, apparently
do_check_eq(SerializeXML(doc),
'<root xmlns="ns1" xmlns:a="ns2">'+
'<child xmlns:b="ns2" xmlns:a="ns3">'+
'<child2 a0:l1="v1" xmlns:a0="ns4"' +
' a0:l2="v2"' +
' l3="v3"' +
' a:l4="v4"' +
' a:l5="v5"' +
' a:l6="v6"' +
' b:l7="v7"' +
' b:l8="v8"' +
' b:l9="v9"' +
' b:l10="v10"' +
' a2:l11="v11" xmlns:a2="ns1"' +
' a2:l12="v12"' +
' a2:l13="v13"/></child></root>');
}
function test5() {
// Handling of kids in the null namespace when the default is a
// different namespace (bug 301260).
var doc = ParseXML('<root xmlns="ns1"/>')
var child = doc.createElement('child');
doc.documentElement.appendChild(child);
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<root xmlns="ns1"><child xmlns=""/></root>');
}
function test6() {
// Handling of not using a namespace prefix (or default namespace!)
// that's not bound to our namespace in our scope (bug 301260).
var doc = ParseXML('<prefix:root xmlns:prefix="ns1"/>');
var root = doc.documentElement;
var child1 = doc.createElementNS("ns2", "prefix:child1");
var child2 = doc.createElementNS("ns1", "prefix:child2");
child1.appendChild(child2);
root.appendChild(child1);
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<prefix:root xmlns:prefix="ns1"><a0:child1 xmlns:a0="ns2">'+
'<prefix:child2/></a0:child1></prefix:root>');
doc = ParseXML('<root xmlns="ns1"><prefix:child1 xmlns:prefix="ns2"/></root>');
root = doc.documentElement;
child1 = root.firstChild;
child2 = doc.createElementNS("ns1", "prefix:child2");
child1.appendChild(child2);
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<root xmlns="ns1"><prefix:child1 xmlns:prefix="ns2">'+
'<child2/></prefix:child1></root>');
doc = ParseXML('<prefix:root xmlns:prefix="ns1">'+
'<prefix:child1 xmlns:prefix="ns2"/></prefix:root>');
root = doc.documentElement;
child1 = root.firstChild;
child2 = doc.createElementNS("ns1", "prefix:child2");
child1.appendChild(child2);
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<prefix:root xmlns:prefix="ns1"><prefix:child1 xmlns:prefix="ns2">'+
'<a0:child2 xmlns:a0="ns1"/></prefix:child1></prefix:root>');
doc = ParseXML('<root xmlns="ns1"/>');
root = doc.documentElement;
child1 = doc.createElementNS("ns2", "child1");
child2 = doc.createElementNS("ns1", "child2");
child1.appendChild(child2);
root.appendChild(child1);
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<root xmlns="ns1"><child1 xmlns="ns2"><child2 xmlns="ns1"/>'+
'</child1></root>');
}