#!/usr/bin/python -u

import sys

import libxml2

# Memory debug specific

libxml2.debugMemory(1)

#

# Testing XML Node comparison and Node hash-value

#

doc = libxml2.parseDoc("""<root><foo/></root>""")

root = doc.getRootElement()

# Create two different objects which point to foo

foonode1 = root.children

foonode2 = root.children

# Now check that [in]equality tests work ok

if not ( foonode1 == foonode2 ):

    print("Error comparing nodes with ==, nodes should be equal but are unequal")

    sys.exit(1)

if not ( foonode1 != root ):

    print("Error comparing nodes with ==, nodes should not be equal but are equal")

    sys.exit(1)

if not ( foonode1 != root ):

    print("Error comparing nodes with !=, nodes should not be equal but are equal")

if ( foonode1 != foonode2 ):

    print("Error comparing nodes with !=, nodes should be equal but are unequal")

# Next check that the hash function for the objects also works ok

if not (hash(foonode1) == hash(foonode2)):

    print("Error hash values for two equal nodes are different")

    sys.exit(1)

if not (hash(foonode1) != hash(root)):

    print("Error hash values for two unequal nodes are not different")

    sys.exit(1)

if hash(foonode1) == hash(root):

    print("Error hash values for two unequal nodes are equal")

    sys.exit(1)

# Basic tests successful

doc.freeDoc()

# Memory debug specific

libxml2.cleanupParser()

if libxml2.debugMemory(1) == 0:

    print("OK")

else:

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

    libxml2.dumpMemory()