]>
Commit | Line | Data |
---|---|---|
7d88c614 | 1 | /* Assertion in ISO-2022-JP-3 due to two-character sequence (bug 27256). |
6d7e8eda | 2 | Copyright (C) 2021-2023 Free Software Foundation, Inc. |
7d88c614 FW |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
17 | <https://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <iconv.h> | |
20 | #include <string.h> | |
21 | #include <errno.h> | |
22 | #include <support/check.h> | |
23 | ||
24 | /* Use an escape sequence to return to the initial state. */ | |
25 | static void | |
26 | with_escape_sequence (void) | |
27 | { | |
28 | iconv_t c = iconv_open ("UTF-8", "ISO-2022-JP-3"); | |
29 | TEST_VERIFY_EXIT (c != (iconv_t) -1); | |
30 | ||
31 | char in[] = "\e$(O+D\e(B"; | |
32 | char *inbuf = in; | |
33 | size_t inleft = strlen (in); | |
34 | char out[3]; /* Space for one output character. */ | |
35 | char *outbuf; | |
36 | size_t outleft; | |
37 | ||
38 | outbuf = out; | |
39 | outleft = sizeof (out); | |
40 | TEST_COMPARE (iconv (c, &inbuf, &inleft, &outbuf, &outleft), (size_t) -1); | |
41 | TEST_COMPARE (errno, E2BIG); | |
42 | TEST_COMPARE (inleft, 3); | |
43 | TEST_COMPARE (inbuf - in, strlen (in) - 3); | |
44 | TEST_COMPARE (outleft, sizeof (out) - 2); | |
45 | TEST_COMPARE (outbuf - out, 2); | |
46 | TEST_COMPARE (out[0] & 0xff, 0xc3); | |
47 | TEST_COMPARE (out[1] & 0xff, 0xa6); | |
48 | ||
49 | /* Return to the initial shift state, producing the pending | |
50 | character. */ | |
51 | outbuf = out; | |
52 | outleft = sizeof (out); | |
53 | TEST_COMPARE (iconv (c, &inbuf, &inleft, &outbuf, &outleft), 0); | |
54 | TEST_COMPARE (inleft, 0); | |
55 | TEST_COMPARE (inbuf - in, strlen (in)); | |
56 | TEST_COMPARE (outleft, sizeof (out) - 2); | |
57 | TEST_COMPARE (outbuf - out, 2); | |
58 | TEST_COMPARE (out[0] & 0xff, 0xcc); | |
59 | TEST_COMPARE (out[1] & 0xff, 0x80); | |
60 | ||
61 | /* Nothing should be flushed the second time. */ | |
62 | outbuf = out; | |
63 | outleft = sizeof (out); | |
64 | TEST_COMPARE (iconv (c, NULL, 0, &outbuf, &outleft), 0); | |
65 | TEST_COMPARE (outleft, sizeof (out)); | |
66 | TEST_COMPARE (outbuf - out, 0); | |
67 | TEST_COMPARE (out[0] & 0xff, 0xcc); | |
68 | TEST_COMPARE (out[1] & 0xff, 0x80); | |
69 | ||
70 | TEST_COMPARE (iconv_close (c), 0); | |
71 | } | |
72 | ||
73 | /* Use an explicit flush to return to the initial state. */ | |
74 | static void | |
75 | with_flush (void) | |
76 | { | |
77 | iconv_t c = iconv_open ("UTF-8", "ISO-2022-JP-3"); | |
78 | TEST_VERIFY_EXIT (c != (iconv_t) -1); | |
79 | ||
80 | char in[] = "\e$(O+D"; | |
81 | char *inbuf = in; | |
82 | size_t inleft = strlen (in); | |
83 | char out[3]; /* Space for one output character. */ | |
84 | char *outbuf; | |
85 | size_t outleft; | |
86 | ||
87 | outbuf = out; | |
88 | outleft = sizeof (out); | |
89 | TEST_COMPARE (iconv (c, &inbuf, &inleft, &outbuf, &outleft), (size_t) -1); | |
90 | TEST_COMPARE (errno, E2BIG); | |
91 | TEST_COMPARE (inleft, 0); | |
92 | TEST_COMPARE (inbuf - in, strlen (in)); | |
93 | TEST_COMPARE (outleft, sizeof (out) - 2); | |
94 | TEST_COMPARE (outbuf - out, 2); | |
95 | TEST_COMPARE (out[0] & 0xff, 0xc3); | |
96 | TEST_COMPARE (out[1] & 0xff, 0xa6); | |
97 | ||
98 | /* Flush the pending character. */ | |
99 | outbuf = out; | |
100 | outleft = sizeof (out); | |
101 | TEST_COMPARE (iconv (c, NULL, 0, &outbuf, &outleft), 0); | |
102 | TEST_COMPARE (outleft, sizeof (out) - 2); | |
103 | TEST_COMPARE (outbuf - out, 2); | |
104 | TEST_COMPARE (out[0] & 0xff, 0xcc); | |
105 | TEST_COMPARE (out[1] & 0xff, 0x80); | |
106 | ||
107 | /* Nothing should be flushed the second time. */ | |
108 | outbuf = out; | |
109 | outleft = sizeof (out); | |
110 | TEST_COMPARE (iconv (c, NULL, 0, &outbuf, &outleft), 0); | |
111 | TEST_COMPARE (outleft, sizeof (out)); | |
112 | TEST_COMPARE (outbuf - out, 0); | |
113 | TEST_COMPARE (out[0] & 0xff, 0xcc); | |
114 | TEST_COMPARE (out[1] & 0xff, 0x80); | |
115 | ||
116 | TEST_COMPARE (iconv_close (c), 0); | |
117 | } | |
118 | ||
119 | static int | |
120 | do_test (void) | |
121 | { | |
122 | with_escape_sequence (); | |
123 | with_flush (); | |
124 | return 0; | |
125 | } | |
126 | ||
127 | #include <support/test-driver.c> |