#!/usr/bin/python -u# -*- coding: ISO-8859-1 -*-## this tests the next API of the XmlTextReader interface#import libxml2import StringIOimport sys # Memory debug specificlibxml2.debugMemory(1) f = StringIO.StringIO("""<a><b><c /></b><d>content of d</d></a>""")input = libxml2.inputBuffer(f)reader = input.newTextReader("test_next")ret = reader.Read()if ret != 1:    print "test_next: Error reading to first element"    sys.exit(1)if reader.Name() != "a" or reader.IsEmptyElement() != 0 or \   reader.NodeType() != 1 or reader.HasAttributes() != 0:    print "test_next: Error reading the first element"    sys.exit(1)ret = reader.Read()if ret != 1:    print "test_next: Error reading to second element"    sys.exit(1)if reader.Name() != "b" or reader.IsEmptyElement() != 0 or \   reader.NodeType() != 1 or reader.HasAttributes() != 0:    print "test_next: Error reading the second element"    sys.exit(1)ret = reader.Read()if ret != 1:    print "test_next: Error reading to third element"    sys.exit(1)if reader.Name() != "c" or reader.NodeType() != 1 or \   reader.HasAttributes() != 0:    print "test_next: Error reading the third element"    sys.exit(1)ret = reader.Read()if ret != 1:    print "test_next: Error reading to end of third element"    sys.exit(1)if reader.Name() != "b" or reader.NodeType() != 15:    print "test_next: Error reading to end of second element"    sys.exit(1)ret = reader.Next()if ret != 1:    print "test_next: Error moving to third element"    sys.exit(1)if reader.Name() != "d" or reader.IsEmptyElement() != 0 or \   reader.NodeType() != 1 or reader.HasAttributes() != 0:    print "test_next: Error reading third element"    sys.exit(1)ret = reader.Next()if ret != 1:    print "test_next: Error reading to end of first element"    sys.exit(1)if reader.Name() != "a" or reader.IsEmptyElement() != 0 or \   reader.NodeType() != 15 or reader.HasAttributes() != 0:    print "test_next: Error reading the end of first element"    sys.exit(1)ret = reader.Read()if ret != 0:    print "test_next: Error reading to end of document"    sys.exit(1) ## cleanup for memory allocation counting#del fdel inputdel reader # Memory debug specificlibxml2.cleanupParser()if libxml2.debugMemory(1) == 0:    print "OK"else:    print "Memory leak %d bytes" % (libxml2.debugMemory(1))    libxml2.dumpMemory()