1/* Test of normalization insensitive comparison of UTF-8 strings.
2   Copyright (C) 2009, 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>, 2009.  */
18
19static void
20test_ascii (int (*my_normcmp) (const uint8_t *, size_t, const uint8_t *, size_t, uninorm_t, int *),
21            uninorm_t nf)
22{
23  /* Empty string.  */
24  {
25    int cmp;
26
27    ASSERT (my_normcmp (NULL, 0, NULL, 0, nf, &cmp) == 0);
28    ASSERT (cmp == 0);
29  }
30  {
31    static const uint8_t input[] = { 'x', 'y' };
32    int cmp;
33
34    ASSERT (my_normcmp (input, SIZEOF (input), NULL, 0, nf, &cmp) == 0);
35    ASSERT (cmp == 1);
36
37    ASSERT (my_normcmp (NULL, 0, input, SIZEOF (input), nf, &cmp) == 0);
38    ASSERT (cmp == -1);
39
40    ASSERT (my_normcmp (input, SIZEOF (input), input, SIZEOF (input), nf, &cmp) == 0);
41    ASSERT (cmp == 0);
42  }
43
44  /* Normal lexicographic order.  */
45  {
46    static const uint8_t input1[] = { 'A', 'm', 'e', 'r', 'i', 'c', 'a' };
47    static const uint8_t input2[] = { 'A', 'm', 'i', 'g', 'o' };
48    int cmp;
49
50    ASSERT (my_normcmp (input1, SIZEOF (input1), input2, SIZEOF (input2), nf, &cmp) == 0);
51    ASSERT (cmp == -1);
52
53    ASSERT (my_normcmp (input2, SIZEOF (input2), input1, SIZEOF (input1), nf, &cmp) == 0);
54    ASSERT (cmp == 1);
55  }
56
57  /* Shorter and longer strings.  */
58  {
59    static const uint8_t input1[] = { 'R', 'e', 'a', 'g', 'a', 'n' };
60    static const uint8_t input2[] = { 'R', 'e', 'a', 'g', 'a', 'n', 'o', 'm', 'i', 'c', 's' };
61    int cmp;
62
63    ASSERT (my_normcmp (input1, SIZEOF (input1), input2, SIZEOF (input2), nf, &cmp) == 0);
64    ASSERT (cmp == -1);
65
66    ASSERT (my_normcmp (input2, SIZEOF (input2), input1, SIZEOF (input1), nf, &cmp) == 0);
67    ASSERT (cmp == 1);
68  }
69}
70