1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/* Test of u32_to_u16() function.
Copyright (C) 2010 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2010. */
#include <config.h>
#include "unistr.h"
#include <errno.h>
#include "macros.h"
static int
check (const uint32_t *input, size_t input_length,
const uint16_t *expected, size_t expected_length)
{
size_t length;
uint16_t *result;
/* Test return conventions with resultbuf == NULL. */
result = u32_to_u16 (input, input_length, NULL, &length);
if (!(result != NULL))
return 1;
if (!(length == expected_length))
return 2;
if (!(u16_cmp (result, expected, expected_length) == 0))
return 3;
free (result);
/* Test return conventions with resultbuf too small. */
if (expected_length > 0)
{
uint16_t *preallocated;
length = expected_length - 1;
preallocated = (uint16_t *) malloc (length * sizeof (uint16_t));
result = u32_to_u16 (input, input_length, preallocated, &length);
if (!(result != NULL))
return 4;
if (!(result != preallocated))
return 5;
if (!(length == expected_length))
return 6;
if (!(u16_cmp (result, expected, expected_length) == 0))
return 7;
free (result);
free (preallocated);
}
/* Test return conventions with resultbuf large enough. */
{
uint16_t *preallocated;
length = expected_length;
preallocated = (uint16_t *) malloc (length * sizeof (uint16_t));
result = u32_to_u16 (input, input_length, preallocated, &length);
if (!(result != NULL))
return 8;
if (!(preallocated == NULL || result == preallocated))
return 9;
if (!(length == expected_length))
return 10;
if (!(u16_cmp (result, expected, expected_length) == 0))
return 11;
free (preallocated);
}
return 0;
}
int
main ()
{
/* Empty string. */
ASSERT (check (NULL, 0, NULL, 0) == 0);
/* Simple string. */
{ /* "Grüß Gott. Здравствуйте! x=(-b±sqrt(b²-4ac))/(2a) 日本語,中文,한글" */
static const uint32_t input[] =
{ 'G', 'r', 0x00FC, 0x00DF, ' ', 'G', 'o', 't', 't', '.', ' ',
0x0417, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443,
0x0439, 0x0442, 0x0435, '!', ' ',
'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2,
'-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ',
0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\n'
};
static const uint16_t expected[] =
{ 'G', 'r', 0x00FC, 0x00DF, ' ', 'G', 'o', 't', 't', '.', ' ',
0x0417, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443,
0x0439, 0x0442, 0x0435, '!', ' ',
'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2,
'-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ',
0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\n'
};
ASSERT (check (input, SIZEOF (input), expected, SIZEOF (expected)) == 0);
}
/* String with characters outside the BMP. */
{
static const uint32_t input[] =
{ '-', '(', 0x1D51E, 0x00D7, 0x1D51F, ')', '=',
0x1D51F, 0x00D7, 0x1D51E
};
static const uint16_t expected[] =
{ '-', '(', 0xD835, 0xDD1E, 0x00D7, 0xD835, 0xDD1F, ')', '=',
0xD835, 0xDD1F, 0x00D7, 0xD835, 0xDD1E
};
ASSERT (check (input, SIZEOF (input), expected, SIZEOF (expected)) == 0);
}
/* Invalid input. */
{
static const uint32_t input[] = { 'x', 0x340000, 0x50000000, 'y' };
#if 0 /* Currently invalid input is rejected, not accommodated. */
static const uint16_t expected[] = { 'x', 0xFFFD, 0xFFFD, 'y' };
ASSERT (check (input, SIZEOF (input), expected, SIZEOF (expected)) == 0);
#else
size_t length;
uint16_t *result;
uint16_t preallocated[10];
/* Test return conventions with resultbuf == NULL. */
result = u32_to_u16 (input, SIZEOF (input), NULL, &length);
ASSERT (result == NULL);
ASSERT (errno == EILSEQ);
/* Test return conventions with resultbuf too small. */
length = 1;
result = u32_to_u16 (input, SIZEOF (input), preallocated, &length);
ASSERT (result == NULL);
ASSERT (errno == EILSEQ);
/* Test return conventions with resultbuf large enough. */
length = SIZEOF (preallocated);
result = u32_to_u16 (input, SIZEOF (input), preallocated, &length);
ASSERT (result == NULL);
ASSERT (errno == EILSEQ);
#endif
}
return 0;
}
|
