xref: /freebsd/lib/libsbuf/tests/sbuf_stdio_test.c (revision eb69d1f144a6fcc765d1b9d44a5ae8082353e70b)
1 /*-
2  * Copyright (c) 2017 Ngie Cooper <ngie@freebsd.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include <sys/param.h>
31 #include <sys/sbuf.h>
32 #include <errno.h>
33 #include <stdarg.h>
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <string.h>
37 #include <unistd.h>
38 
39 #include <atf-c.h>
40 
41 #include "sbuf_test_common.h"
42 
43 static char	test_string[] = "this is a test string";
44 
45 #define	MESSAGE_FORMAT	"message: %s\n"
46 #define	MESSAGE_SEPARATOR	';'
47 
48 static int
49 sbuf_vprintf_helper(struct sbuf *sb, const char * restrict format, ...)
50 {
51 	va_list ap;
52 	int rc;
53 
54 	va_start(ap, format);
55 
56 	rc = sbuf_vprintf(sb, format, ap);
57 
58 	va_end(ap);
59 
60 	return (rc);
61 }
62 
63 ATF_TC_WITHOUT_HEAD(sbuf_printf_test);
64 ATF_TC_BODY(sbuf_printf_test, tc)
65 {
66 	struct sbuf *sb;
67 	char *test_string_tmp;
68 
69 	asprintf(&test_string_tmp, "%s%c" MESSAGE_FORMAT,
70 	    test_string, MESSAGE_SEPARATOR, test_string);
71 	ATF_REQUIRE_MSG(test_string_tmp != NULL, "asprintf failed");
72 
73 	sb = sbuf_new_auto();
74 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
75 	    strerror(errno));
76 
77 	ATF_REQUIRE_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
78 	ATF_REQUIRE_MSG(sbuf_putc(sb, MESSAGE_SEPARATOR) == 0,
79 	    "sbuf_putc failed");
80 
81 	ATF_REQUIRE_MSG(sbuf_printf(sb, MESSAGE_FORMAT, test_string) == 0,
82 	    "sbuf_printf failed");
83 
84 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
85 	    strerror(errno));
86 
87 	ATF_REQUIRE_STREQ_MSG(sbuf_data(sb), test_string_tmp,
88 	    "sbuf (\"%s\") != test string (\"%s\")", sbuf_data(sb),
89 	    test_string_tmp);
90 
91 	sbuf_delete(sb);
92 
93 	free(test_string_tmp);
94 }
95 
96 ATF_TC_WITHOUT_HEAD(sbuf_putbuf_test);
97 ATF_TC_BODY(sbuf_putbuf_test, tc)
98 {
99 	struct sbuf *sb;
100 	pid_t child_proc;
101 
102 	sb = sbuf_new_auto();
103 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
104 	    strerror(errno));
105 
106 	ATF_REQUIRE_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
107 
108 	child_proc = atf_utils_fork();
109 	if (child_proc == 0) {
110 		sbuf_putbuf(sb);
111 		exit(0);
112 	}
113 	atf_utils_wait(child_proc, 0, test_string, "");
114 
115 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
116 	    strerror(errno));
117 
118 	sbuf_delete(sb);
119 }
120 
121 ATF_TC_WITHOUT_HEAD(sbuf_vprintf_test);
122 ATF_TC_BODY(sbuf_vprintf_test, tc)
123 {
124 	struct sbuf *sb;
125 	char *test_string_tmp;
126 	int rc;
127 
128 	asprintf(&test_string_tmp, "%s%c" MESSAGE_FORMAT,
129 	    test_string, MESSAGE_SEPARATOR, test_string);
130 	ATF_REQUIRE_MSG(test_string_tmp != NULL, "asprintf failed");
131 
132 	sb = sbuf_new_auto();
133 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
134 	    strerror(errno));
135 
136 	ATF_REQUIRE_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
137 	ATF_REQUIRE_MSG(sbuf_putc(sb, MESSAGE_SEPARATOR) == 0,
138 	    "sbuf_putc failed");
139 
140 	rc = sbuf_vprintf_helper(sb, MESSAGE_FORMAT, test_string);
141 	ATF_REQUIRE_MSG(rc == 0, "sbuf_vprintf failed");
142 
143 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
144 	    strerror(errno));
145 
146 	ATF_REQUIRE_STREQ_MSG(sbuf_data(sb), test_string_tmp,
147 	    "sbuf (\"%s\") != test string (\"%s\")", sbuf_data(sb),
148 	    test_string_tmp);
149 
150 	sbuf_delete(sb);
151 }
152 
153 ATF_TP_ADD_TCS(tp)
154 {
155 
156 	ATF_TP_ADD_TC(tp, sbuf_printf_test);
157 	ATF_TP_ADD_TC(tp, sbuf_putbuf_test);
158 	ATF_TP_ADD_TC(tp, sbuf_vprintf_test);
159 
160 	return (atf_no_error());
161 }
162