#!/usr/bin/python -uimport sysimport libxml2 # Memory debug specificlibxml2.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 foofoonode1 = root.childrenfoonode2 = root.children # Now check that [in]equality tests work okif 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 okif 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 successfuldoc.freeDoc() # Memory debug specificlibxml2.cleanupParser()if libxml2.debugMemory(1) == 0:    print "OK"else:    print "Memory leak %d bytes" % (libxml2.debugMemory(1))    libxml2.dumpMemory()