xref: /aosp_15_r20/external/libxml2/python/tests/readernext.py (revision 7c5688314b92172186c154356a6374bf7684c3ca)
1#!/usr/bin/env python3
2# -*- coding: ISO-8859-1 -*-
3#
4# this tests the next API of the XmlTextReader interface
5#
6import setup_test
7import libxml2
8import sys
9try:
10    import StringIO
11    str_io = StringIO.StringIO
12except:
13    import io
14    str_io = io.StringIO
15
16# Memory debug specific
17libxml2.debugMemory(1)
18
19f = str_io("""<a><b><c /></b><d>content of d</d></a>""")
20input = libxml2.inputBuffer(f)
21reader = input.newTextReader("test_next")
22ret = reader.Read()
23if ret != 1:
24    print("test_next: Error reading to first element")
25    sys.exit(1)
26if reader.Name() != "a" or reader.IsEmptyElement() != 0 or \
27   reader.NodeType() != 1 or reader.HasAttributes() != 0:
28    print("test_next: Error reading the first element")
29    sys.exit(1)
30ret = reader.Read()
31if ret != 1:
32    print("test_next: Error reading to second element")
33    sys.exit(1)
34if reader.Name() != "b" or reader.IsEmptyElement() != 0 or \
35   reader.NodeType() != 1 or reader.HasAttributes() != 0:
36    print("test_next: Error reading the second element")
37    sys.exit(1)
38ret = reader.Read()
39if ret != 1:
40    print("test_next: Error reading to third element")
41    sys.exit(1)
42if reader.Name() != "c" or reader.NodeType() != 1 or \
43   reader.HasAttributes() != 0:
44    print("test_next: Error reading the third element")
45    sys.exit(1)
46ret = reader.Read()
47if ret != 1:
48    print("test_next: Error reading to end of third element")
49    sys.exit(1)
50if reader.Name() != "b" or reader.NodeType() != 15:
51    print("test_next: Error reading to end of second element")
52    sys.exit(1)
53ret = reader.Next()
54if ret != 1:
55    print("test_next: Error moving to third element")
56    sys.exit(1)
57if reader.Name() != "d" or reader.IsEmptyElement() != 0 or \
58   reader.NodeType() != 1 or reader.HasAttributes() != 0:
59    print("test_next: Error reading third element")
60    sys.exit(1)
61ret = reader.Next()
62if ret != 1:
63    print("test_next: Error reading to end of first element")
64    sys.exit(1)
65if reader.Name() != "a" or reader.IsEmptyElement() != 0 or \
66   reader.NodeType() != 15 or reader.HasAttributes() != 0:
67    print("test_next: Error reading the end of first element")
68    sys.exit(1)
69ret = reader.Read()
70if ret != 0:
71    print("test_next: Error reading to end of document")
72    sys.exit(1)
73
74#
75# cleanup for memory allocation counting
76#
77del f
78del input
79del reader
80
81# Memory debug specific
82libxml2.cleanupParser()
83if libxml2.debugMemory(1) == 0:
84    print("OK")
85else:
86    print("Memory leak %d bytes" % (libxml2.debugMemory(1)))
87