dpkg (1.18.25) stretch; urgency=medium
[dpkg] / lib / dpkg / t / t-tar.c
CommitLineData
1479465f
GJ
1/*
2 * libdpkg - Debian packaging suite library routines
3 * t-tar.c - test tar implementation
4 *
5 * Copyright © 2017 Guillem Jover <guillem@debian.org>
6 *
7 * This is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
19 */
20
21#include <config.h>
22#include <compat.h>
23
24#include <errno.h>
25
26#include <dpkg/test.h>
27#include <dpkg/tarfn.h>
28
29static void
30test_tar_atol8(void)
31{
32 uintmax_t u;
33
34 /* Test valid octal numbers. */
35 u = tar_atoul("000000\0\0\0\0\0\0", 12, UINTMAX_MAX);
36 test_pass(u == 0);
37 u = tar_atoul("00000000000\0", 12, UINTMAX_MAX);
38 test_pass(u == 0);
39 u = tar_atoul("00000000001\0", 12, UINTMAX_MAX);
40 test_pass(u == 1);
41 u = tar_atoul("00000000777\0", 12, UINTMAX_MAX);
42 test_pass(u == 511);
43 u = tar_atoul("77777777777\0", 12, UINTMAX_MAX);
44 test_pass(u == 8589934591);
45
46 /* Test legacy formatted octal numbers. */
47 u = tar_atoul(" 0\0", 12, UINTMAX_MAX);
48 test_pass(u == 0);
49 u = tar_atoul(" 1\0", 12, UINTMAX_MAX);
50 test_pass(u == 1);
51 u = tar_atoul(" 777\0", 12, UINTMAX_MAX);
52 test_pass(u == 511);
53
54 /* Test extended octal numbers not terminated by space or NUL,
55 * (as is required by POSIX), but accepted by several implementations
56 * to get one byte larger values. */
57 u = tar_atoul("000000000000", 12, UINTMAX_MAX);
58 test_pass(u == 0);
59 u = tar_atoul("000000000001", 12, UINTMAX_MAX);
60 test_pass(u == 1);
61 u = tar_atoul("000000000777", 12, UINTMAX_MAX);
62 test_pass(u == 511);
63 u = tar_atoul("777777777777", 12, UINTMAX_MAX);
64 test_pass(u == 68719476735);
65
66 /* Test invalid octal numbers. */
67 errno = 0;
68 u = tar_atoul(" ", 12, UINTMAX_MAX);
69 test_pass(u == 0);
70 test_pass(errno == EINVAL);
71
72 errno = 0;
73 u = tar_atoul(" 11111aaa ", 12, UINTMAX_MAX);
74 test_pass(u == 0);
75 test_pass(errno == EINVAL);
76
77 errno = 0;
78 u = tar_atoul(" 8 ", 12, UINTMAX_MAX);
79 test_pass(u == 0);
80 test_pass(errno == EINVAL);
81
82 errno = 0;
83 u = tar_atoul(" 18 ", 12, UINTMAX_MAX);
84 test_pass(u == 0);
85 test_pass(errno == EINVAL);
86
87 errno = 0;
88 u = tar_atoul(" aa ", 12, UINTMAX_MAX);
89 test_pass(u == 0);
90 test_pass(errno == EINVAL);
91}
92
93static void
94test_tar_atol256(void)
95{
96 uintmax_t u;
97 intmax_t i;
98
99 /* Test positive numbers. */
100 u = tar_atoul("\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12, UINTMAX_MAX);
101 test_pass(u == 0);
102 u = tar_atoul("\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01", 12, UINTMAX_MAX);
103 test_pass(u == 1);
104 u = tar_atoul("\x80\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00", 12, UINTMAX_MAX);
105 test_pass(u == 8589934592);
106 u = tar_atoul("\x80\x00\x00\x00\x7F\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 12, UINTMAX_MAX);
107 test_pass(u == INTMAX_MAX);
108
109 /* Test overflow. */
110 errno = 0;
111 u = tar_atoul("\x80\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00", 12, UINTMAX_MAX);
112 test_pass(u == UINTMAX_MAX);
113 test_pass(errno == ERANGE);
114
115 errno = 0;
116 u = tar_atoul("\x80\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12, UINTMAX_MAX);
117 test_pass(u == UINTMAX_MAX);
118 test_pass(errno == ERANGE);
119
120 /* Test negative numbers. */
121 i = tar_atosl("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 12, INTMAX_MIN, INTMAX_MAX);
122 test_pass(i == -1);
123 i = tar_atosl("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFE", 12, INTMAX_MIN, INTMAX_MAX);
124 test_pass(i == -2);
125 i = tar_atosl("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFE\x00\x00\x00\x00", 12, INTMAX_MIN, INTMAX_MAX);
126 test_pass(i == -8589934592);
127 i = tar_atosl("\xFF\xFF\xFF\xFF\x80\x00\x00\x00\x00\x00\x00\x00", 12, INTMAX_MIN, INTMAX_MAX);
128 test_pass(i == INTMAX_MIN);
129
130 /* Test underflow. */
131 errno = 0;
132 i = tar_atosl("\xFF\xFF\xFF\xFF\x00\x00\x00\x00\x00\x00\x00\x00", 12, INTMAX_MIN, INTMAX_MAX);
133 test_pass(i == INTMAX_MIN);
134 test_pass(errno == ERANGE);
135
136 errno = 0;
137 i = tar_atosl("\xFF\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12, INTMAX_MIN, INTMAX_MAX);
138 test_pass(i == INTMAX_MIN);
139 test_pass(errno == ERANGE);
140}
141
142TEST_ENTRY(test)
143{
144 test_plan(38);
145
146 test_tar_atol8();
147 test_tar_atol256();
148}