1/* Test of u16_strmbtouc() function.
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
19#include <config.h>
20
21#include "unistr.h"
22
23#include "macros.h"
24
25int
26main ()
27{
28  ucs4_t uc;
29  int ret;
30
31  /* Test NUL unit input.  */
32  {
33    static const uint16_t input[] = { 0 };
34    uc = 0xBADFACE;
35    ret = u16_strmbtouc (&uc, input);
36    ASSERT (ret == 0);
37    ASSERT (uc == 0);
38  }
39
40  /* Test ISO 646 unit input.  */
41  {
42    ucs4_t c;
43    uint16_t buf[2];
44
45    for (c = 1; c < 0x80; c++)
46      {
47        buf[0] = c;
48        buf[1] = 0;
49        uc = 0xBADFACE;
50        ret = u16_strmbtouc (&uc, buf);
51        ASSERT (ret == 1);
52        ASSERT (uc == c);
53      }
54  }
55
56  /* Test BMP unit input.  */
57  {
58    static const uint16_t input[] = { 0x20AC, 0 };
59    uc = 0xBADFACE;
60    ret = u16_strmbtouc (&uc, input);
61    ASSERT (ret == 1);
62    ASSERT (uc == 0x20AC);
63  }
64
65  /* Test 2-units character input.  */
66  {
67    static const uint16_t input[] = { 0xD835, 0xDD1F, 0 };
68    uc = 0xBADFACE;
69    ret = u16_strmbtouc (&uc, input);
70    ASSERT (ret == 2);
71    ASSERT (uc == 0x1D51F);
72  }
73
74  /* Test incomplete/invalid 1-unit input.  */
75  {
76    static const uint16_t input[] = { 0xD835, 0 };
77    uc = 0xBADFACE;
78    ret = u16_strmbtouc (&uc, input);
79    ASSERT (ret == -1);
80    ASSERT (uc == 0xBADFACE);
81  }
82  {
83    static const uint16_t input[] = { 0xDD1F, 0 };
84    uc = 0xBADFACE;
85    ret = u16_strmbtouc (&uc, input);
86    ASSERT (ret == -1);
87    ASSERT (uc == 0xBADFACE);
88  }
89
90  return 0;
91}
92