#!/usr/bin/python -u

#

# this tests the basic APIs of the XmlTextReader interface

#

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><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)))

    libxml2.dumpMemory()