[libxml2]Add libxml2 library

libxml2/python/tests/reader4.py

@@ -0,0 +1,50 @@
+#!/usr/bin/env python3
+#
+# this tests the basic APIs of the XmlTextReader interface
+#
+import setup_test
+import libxml2
+import sys
+try:
+    import StringIO
+    str_io = StringIO.StringIO
+except:
+    import io
+    str_io = io.StringIO
+
+# Memory debug specific
+libxml2.debugMemory(1)
+
+def tst_reader(s):
+    f = str_io(s)
+    input = libxml2.inputBuffer(f)
+    reader = input.newTextReader("tst")
+    res = ""
+    while reader.Read():
+        res=res + "%s (%s) [%s] %d\n" % (reader.NodeType(),reader.Name(),
+				      reader.Value(), reader.IsEmptyElement())
+        if reader.NodeType() == 1: # Element
+            while reader.MoveToNextAttribute():
+                res = res + "-- %s (%s) [%s]\n" % (reader.NodeType(),
+						   reader.Name(),reader.Value())
+    return res
+    
+expect="""1 (test) [None] 0
+1 (b) [None] 1
+1 (c) [None] 1
+15 (test) [None] 0
+"""
+
+res = tst_reader("""<test><b/><c/></test>""")
+
+if res != expect:
+    print("Did not get the expected error message:")
+    print(res)
+    sys.exit(1)
+
+# Memory debug specific
+libxml2.cleanupParser()
+if libxml2.debugMemory(1) == 0:
+    print("OK")
+else:
+    print("Memory leak %d bytes" % (libxml2.debugMemory(1)))