1 /* Test of normalization insensitive comparison of UTF-16 strings.
2    Copyright (C) 2009-2014 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 
19 static void
test_ascii(int (* my_normcmp)(const uint16_t *,size_t,const uint16_t *,size_t,uninorm_t,int *),uninorm_t nf)20 test_ascii (int (*my_normcmp) (const uint16_t *, size_t, const uint16_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 uint16_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 uint16_t input1[] = { 'A', 'm', 'e', 'r', 'i', 'c', 'a' };
47     static const uint16_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 uint16_t input1[] = { 'R', 'e', 'a', 'g', 'a', 'n' };
60     static const uint16_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