#!/usr/bin/python -u # # this test exercise the XPath basic engine, parser, etc, and # allows to detect memory leaks # import sys import libxml2
instance=“”“<?xml version=”1.0“?> <tag xmlns:foo='urn:foo' xmlns:bar='urn:bar' xmlns:baz='urn:baz' />”“”
def namespaceDefs(node):
n = node.nsDefs() while n: yield n n = n.next
def checkNamespaceDefs(node, count):
nsList = list(namespaceDefs(node)) #print nsList if len(nsList) != count : raise Exception("Error: saw %d namespace declarations. Expected %d" % (len(nsList), count))
# Memory debug specific libxml2.debugMemory(1)
# Remove single namespace doc = libxml2.parseDoc(instance) node = doc.getRootElement() checkNamespaceDefs(node, 3) ns = node.removeNsDef('urn:bar') checkNamespaceDefs(node, 2) ns.freeNsList() doc.freeDoc()
# Remove all namespaces doc = libxml2.parseDoc(instance) node = doc.getRootElement() checkNamespaceDefs(node, 3) ns = node.removeNsDef(None) checkNamespaceDefs(node, 0) ns.freeNsList() doc.freeDoc()
# Remove a namespace refered to by a child doc = libxml2.newDoc(“1.0”) root = doc.newChild(None, “root”, None) namespace = root.newNs(“example.com/sample”, “s”) child = root.newChild(namespace, “child”, None) root.removeNsDef(“example.com/sample”) doc.reconciliateNs(root) namespace.freeNsList() doc.serialize() # This should not segfault 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()