#!/usr/bin/python -u

#

# this test exercise the XPath basic engine, parser, etc, and

# allows to detect memory leaks

#

import sys

import libxml2

# Memory debug specific

libxml2.debugMemory(1)

doc = libxml2.parseFile("tst.xml")

if doc.name != "tst.xml":

    print("doc.name error")

    sys.exit(1);

ctxt = doc.xpathNewContext()

res = ctxt.xpathEval("//*")

if len(res) != 2:

    print("xpath query: wrong node set size")

    sys.exit(1)

if res[0].name != "doc" or res[1].name != "foo":

    print("xpath query: wrong node set value")

    sys.exit(1)

ctxt.setContextNode(res[0])

res = ctxt.xpathEval("foo")

if len(res) != 1:

    print("xpath query: wrong node set size")

    sys.exit(1)

if res[0].name != "foo":

    print("xpath query: wrong node set value")

    sys.exit(1)

doc.freeDoc()

ctxt.xpathFreeContext()

i = 1000

while i > 0:

    doc = libxml2.parseFile("tst.xml")

    ctxt = doc.xpathNewContext()

    res = ctxt.xpathEval("//*")

    doc.freeDoc()

    ctxt.xpathFreeContext()

    i = i -1

del ctxt

# Memory debug specific

libxml2.cleanupParser()

if libxml2.debugMemory(1) == 0:

    print("OK")

else:

    print("Memory leak %d bytes" % (libxml2.debugMemory(1)))

    libxml2.dumpMemory()