1/* Test of u16_mbtouc() and u16_mbtouc_unsafe() functions.
2   Copyright (C) 2010 Free Software Foundation, Inc.
3
4   This program is free software: you can redistribute it and/or modify
5   it under the terms of the GNU General Public License as published by
6   the Free Software Foundation; either version 3 of the License, or
7   (at your option) any later version.
8
9   This program is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12   GNU General Public License for more details.
13
14   You should have received a copy of the GNU General Public License
15   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
16
17/* Written by Bruno Haible <bruno@clisp.org>, 2010.  */
18
19static void
20test_function (int (*my_u16_mbtouc) (ucs4_t *, const uint16_t *, size_t))
21{
22  ucs4_t uc;
23  int ret;
24
25  /* Test NUL unit input.  */
26  {
27    static const uint16_t input[] = { 0 };
28    uc = 0xBADFACE;
29    ret = my_u16_mbtouc (&uc, input, 1);
30    ASSERT (ret == 1);
31    ASSERT (uc == 0);
32  }
33
34  /* Test ISO 646 unit input.  */
35  {
36    ucs4_t c;
37    uint16_t buf[1];
38
39    for (c = 0; c < 0x80; c++)
40      {
41        buf[0] = c;
42        uc = 0xBADFACE;
43        ret = my_u16_mbtouc (&uc, buf, 1);
44        ASSERT (ret == 1);
45        ASSERT (uc == c);
46      }
47  }
48
49  /* Test BMP unit input.  */
50  {
51    static const uint16_t input[] = { 0x20AC };
52    uc = 0xBADFACE;
53    ret = my_u16_mbtouc (&uc, input, 1);
54    ASSERT (ret == 1);
55    ASSERT (uc == 0x20AC);
56  }
57
58  /* Test 2-units character input.  */
59  {
60    static const uint16_t input[] = { 0xD835, 0xDD1F };
61    uc = 0xBADFACE;
62    ret = my_u16_mbtouc (&uc, input, 2);
63    ASSERT (ret == 2);
64    ASSERT (uc == 0x1D51F);
65  }
66
67  /* Test incomplete/invalid 1-unit input.  */
68  {
69    static const uint16_t input[] = { 0xD835 };
70    uc = 0xBADFACE;
71    ret = my_u16_mbtouc (&uc, input, 1);
72    ASSERT (ret == 1 || ret == 2);
73    ASSERT (uc == 0xFFFD);
74  }
75  {
76    static const uint16_t input[] = { 0xDD1F };
77    uc = 0xBADFACE;
78    ret = my_u16_mbtouc (&uc, input, 1);
79    ASSERT (ret == 1);
80    ASSERT (uc == 0xFFFD);
81  }
82}
83