xref: /freebsd/lib/libutil/tests/expand_number_test.c (revision 7ef62cebc2f965b0f640263e179276928885e33d)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2023 Google LLC
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
30 
31 #include <errno.h>
32 #include <libutil.h>
33 
34 #include <atf-c.h>
35 
36 ATF_TC_WITHOUT_HEAD(positivetests);
37 ATF_TC_BODY(positivetests, tc)
38 {
39 	int retval;
40 	uint64_t num;
41 
42 #define positive_tc(string, value) 							\
43 	do {										\
44 		ATF_CHECK_ERRNO(0, (retval = expand_number((string), &num)) == 0);	\
45 		ATF_CHECK_EQ(retval, 0);						\
46 		ATF_CHECK_EQ(num, (value));						\
47 	} while (0)
48 
49 	positive_tc("123456", 123456);
50 	positive_tc("123456b", 123456);
51 	positive_tc("1k", 1024);
52 	positive_tc("1kb", 1024);
53 	positive_tc("1K", 1024);
54 	positive_tc("1KB", 1024);
55 	positive_tc("1m", 1048576);
56 	positive_tc("1M", 1048576);
57 	positive_tc("1g", 1073741824);
58 	positive_tc("1G", 1073741824);
59 	positive_tc("1t", 1099511627776);
60 	positive_tc("1T", 1099511627776);
61 	positive_tc("1p", 1125899906842624);
62 	positive_tc("1P", 1125899906842624);
63 	positive_tc("1e", 1152921504606846976);
64 	positive_tc("1E", 1152921504606846976);
65 	positive_tc("15E", 17293822569102704640ULL);
66 }
67 
68 ATF_TC_WITHOUT_HEAD(negativetests);
69 ATF_TC_BODY(negativetests, tc)
70 {
71 	uint64_t num;
72 
73 	ATF_CHECK_ERRNO(EINVAL, expand_number("", &num));
74 	ATF_CHECK_ERRNO(EINVAL, expand_number("x", &num));
75 	ATF_CHECK_ERRNO(EINVAL, expand_number("1bb", &num));
76 	ATF_CHECK_ERRNO(EINVAL, expand_number("1x", &num));
77 	ATF_CHECK_ERRNO(EINVAL, expand_number("1kx", &num));
78 	ATF_CHECK_ERRNO(ERANGE, expand_number("16E", &num));
79 }
80 
81 ATF_TP_ADD_TCS(tp)
82 {
83 	ATF_TP_ADD_TC(tp, positivetests);
84 	ATF_TP_ADD_TC(tp, negativetests);
85 	return (atf_no_error());
86 }
87