1 /*
2 * This file and its contents are supplied under the terms of the
3 * Common Development and Distribution License ("CDDL"), version 1.0.
4 * You may only use this file in accordance with the terms of version
5 * 1.0 of the CDDL.
6 *
7 * A full copy of the text of the CDDL should have accompanied this
8 * source. A copy of the CDDL is also available via the Internet at
9 * http://www.illumos.org/license/CDDL.
10 */
11
12 /*
13 * Copyright 2019 Joyent, Inc.
14 */
15
16 #include <errno.h>
17 #include <libcustr.h>
18 #include <limits.h>
19 #include <stdio.h>
20 #include <string.h>
21 #include <sys/debug.h>
22
23 static void
expect(const char * var,custr_t * cu,const char * str,const char * file,size_t line)24 expect(const char *var, custr_t *cu, const char *str, const char *file,
25 size_t line)
26 {
27 if (strcmp(custr_cstr(cu), str) == 0)
28 return;
29
30 char msgbuf[256];
31
32 (void) snprintf(msgbuf, sizeof (msgbuf), "%s == '%s' ('%s' == '%s')",
33 var, str, custr_cstr(cu), str);
34
35 (void) assfail(msgbuf, file, line);
36 }
37
38 #define EXPECT(_cu, _str) expect(#_cu, _cu, _str, __FILE__, __LINE__)
39 #define FAIL(_expr, _ev) \
40 VERIFY3S(_expr, ==, -1); \
41 VERIFY3S(errno, ==, (_ev))
42
43 int
main(void)44 main(void)
45 {
46 custr_t *cu;
47
48 VERIFY0(custr_alloc(&cu));
49
50 VERIFY0(custr_append(cu, "12345"));
51 EXPECT(cu, "12345");
52
53 FAIL(custr_remove(cu, 6, 2), EINVAL);
54 FAIL(custr_remove(cu, 2, 10), EINVAL);
55 FAIL(custr_rremove(cu, 6, 2), EINVAL);
56 FAIL(custr_rremove(cu, 2, 10), EINVAL);
57
58 VERIFY0(custr_remove(cu, 0, 1));
59 EXPECT(cu, "2345");
60 VERIFY0(custr_rremove(cu, 1, 2));
61 EXPECT(cu, "23");
62
63 VERIFY0(custr_append(cu, "456"));
64 EXPECT(cu, "23456");
65
66 VERIFY0(custr_remove(cu, 1, 2));
67 EXPECT(cu, "256");
68
69 VERIFY0(custr_rremove(cu, 1, 2));
70 EXPECT(cu, "2");
71
72 return (0);
73 }
74