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libxml2/python/tests/xpathleak.py
Daniel Veillard bf4a8f0ea8 Fix python bindings with versions older than 2.7
Need fixing on the Capsule usage, the lack of PyBytes,
lack of io module and the way to access exception details.
2013-04-02 10:27:57 +08:00

66 lines
1.5 KiB
Python
Executable File

#!/usr/bin/python
import sys, libxml2
libxml2.debugMemory(True)
expect="""--> Invalid expression
--> xmlXPathEval: evaluation failed
--> Invalid expression
--> xmlXPathEval: evaluation failed
--> Invalid expression
--> xmlXPathEval: evaluation failed
--> Invalid expression
--> xmlXPathEval: evaluation failed
--> Invalid expression
--> xmlXPathEval: evaluation failed
--> Invalid expression
--> xmlXPathEval: evaluation failed
--> Invalid expression
--> xmlXPathEval: evaluation failed
--> Invalid expression
--> xmlXPathEval: evaluation failed
--> Invalid expression
--> xmlXPathEval: evaluation failed
--> Invalid expression
--> xmlXPathEval: evaluation failed
"""
err=""
def callback(ctx, str):
global err
err = err + "%s %s" % (ctx, str)
libxml2.registerErrorHandler(callback, "-->")
doc = libxml2.parseDoc("<fish/>")
ctxt = doc.xpathNewContext()
ctxt.setContextNode(doc)
badexprs = (
":false()", "bad:()", "bad(:)", ":bad(:)", "bad:(:)", "bad:bad(:)",
"a:/b", "/c:/d", "//e:/f", "g://h"
)
for expr in badexprs:
try:
ctxt.xpathEval(expr)
except libxml2.xpathError:
pass
else:
print("Unexpectedly legal expression:", expr)
ctxt.xpathFreeContext()
doc.freeDoc()
if err != expect:
print("error")
print("received %s" %(err))
print("expected %s" %(expect))
sys.exit(1)
libxml2.cleanupParser()
leakedbytes = libxml2.debugMemory(True)
if leakedbytes == 0:
print("OK")
else:
print("Memory leak", leakedbytes, "bytes")
# drop file to .memdump file in cwd, but won't work if not compiled in
libxml2.dumpMemory()