xref: /freebsd/lib/libsbuf/tests/sbuf_stdio_test.c (revision a7623790fb345e6dc986dfd31df0ace115e6f2e4)
1 /*-
2  * Copyright (c) 2017 Enji Cooper <ngie@freebsd.org>
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  */
25 
26 #include <sys/cdefs.h>
27 __FBSDID("$FreeBSD$");
28 
29 #include <sys/param.h>
30 #include <sys/sbuf.h>
31 #include <errno.h>
32 #include <stdarg.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <unistd.h>
37 
38 #include <atf-c.h>
39 
40 #include "sbuf_test_common.h"
41 
42 static char	test_string[] = "this is a test string";
43 
44 #define	MESSAGE_FORMAT	"message: %s\n"
45 #define	MESSAGE_SEPARATOR	';'
46 
47 static int
48 sbuf_vprintf_helper(struct sbuf *sb, const char * restrict format, ...)
49 {
50 	va_list ap;
51 	int rc;
52 
53 	va_start(ap, format);
54 
55 	rc = sbuf_vprintf(sb, format, ap);
56 
57 	va_end(ap);
58 
59 	return (rc);
60 }
61 
62 ATF_TC_WITHOUT_HEAD(sbuf_printf_drain_null_test);
63 ATF_TC_BODY(sbuf_printf_drain_null_test, tc)
64 {
65 	struct sbuf *sb;
66 	char buf[2];
67 	pid_t child_proc;
68 
69 	sb = sbuf_new(NULL, buf, sizeof(buf), SBUF_FIXEDLEN);
70 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
71 	    strerror(errno));
72 
73 	child_proc = atf_utils_fork();
74 	if (child_proc == 0) {
75 		sbuf_set_drain(sb, sbuf_printf_drain, NULL);
76 
77 		ATF_REQUIRE_EQ_MSG(0, sbuf_cat(sb, test_string),
78 		    "sbuf_cat failed");
79 
80 		ATF_CHECK_EQ(0, sbuf_finish(sb));
81 		exit(0);
82 	}
83 	atf_utils_wait(child_proc, 0, test_string, "");
84 
85 	sbuf_delete(sb);
86 }
87 
88 ATF_TC_WITHOUT_HEAD(sbuf_printf_drain_test);
89 ATF_TC_BODY(sbuf_printf_drain_test, tc)
90 {
91 	struct sbuf *sb;
92 	char buf[2];
93 	pid_t child_proc;
94 	size_t cnt = 0;
95 
96 	sb = sbuf_new(NULL, buf, sizeof(buf), SBUF_FIXEDLEN);
97 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
98 	    strerror(errno));
99 
100 	child_proc = atf_utils_fork();
101 	if (child_proc == 0) {
102 		sbuf_set_drain(sb, sbuf_printf_drain, &cnt);
103 
104 		ATF_REQUIRE_EQ_MSG(0, sbuf_cat(sb, test_string),
105 		    "sbuf_cat failed");
106 
107 		ATF_CHECK_EQ(0, sbuf_finish(sb));
108 		ATF_CHECK_EQ(strlen(test_string), cnt);
109 		exit(0);
110 	}
111 	atf_utils_wait(child_proc, 0, test_string, "");
112 
113 	sbuf_delete(sb);
114 }
115 
116 ATF_TC_WITHOUT_HEAD(sbuf_printf_test);
117 ATF_TC_BODY(sbuf_printf_test, tc)
118 {
119 	struct sbuf *sb;
120 	char *test_string_tmp;
121 
122 	asprintf(&test_string_tmp, "%s%c" MESSAGE_FORMAT,
123 	    test_string, MESSAGE_SEPARATOR, test_string);
124 	ATF_REQUIRE_MSG(test_string_tmp != NULL, "asprintf failed");
125 
126 	sb = sbuf_new_auto();
127 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
128 	    strerror(errno));
129 
130 	ATF_REQUIRE_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
131 	ATF_REQUIRE_MSG(sbuf_putc(sb, MESSAGE_SEPARATOR) == 0,
132 	    "sbuf_putc failed");
133 
134 	ATF_REQUIRE_MSG(sbuf_printf(sb, MESSAGE_FORMAT, test_string) == 0,
135 	    "sbuf_printf failed");
136 
137 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
138 	    strerror(errno));
139 
140 	ATF_REQUIRE_STREQ_MSG(sbuf_data(sb), test_string_tmp,
141 	    "sbuf (\"%s\") != test string (\"%s\")", sbuf_data(sb),
142 	    test_string_tmp);
143 
144 	sbuf_delete(sb);
145 
146 	free(test_string_tmp);
147 }
148 
149 ATF_TC_WITHOUT_HEAD(sbuf_putbuf_test);
150 ATF_TC_BODY(sbuf_putbuf_test, tc)
151 {
152 	struct sbuf *sb;
153 	pid_t child_proc;
154 
155 	sb = sbuf_new_auto();
156 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
157 	    strerror(errno));
158 
159 	ATF_REQUIRE_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
160 
161 	child_proc = atf_utils_fork();
162 	if (child_proc == 0) {
163 		ATF_CHECK_EQ(0, sbuf_finish(sb));
164 		sbuf_putbuf(sb);
165 		exit(0);
166 	}
167 	atf_utils_wait(child_proc, 0, test_string, "");
168 
169 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
170 	    strerror(errno));
171 
172 	sbuf_delete(sb);
173 }
174 
175 ATF_TC_WITHOUT_HEAD(sbuf_vprintf_test);
176 ATF_TC_BODY(sbuf_vprintf_test, tc)
177 {
178 	struct sbuf *sb;
179 	char *test_string_tmp;
180 	int rc;
181 
182 	asprintf(&test_string_tmp, "%s%c" MESSAGE_FORMAT,
183 	    test_string, MESSAGE_SEPARATOR, test_string);
184 	ATF_REQUIRE_MSG(test_string_tmp != NULL, "asprintf failed");
185 
186 	sb = sbuf_new_auto();
187 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
188 	    strerror(errno));
189 
190 	ATF_REQUIRE_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
191 	ATF_REQUIRE_MSG(sbuf_putc(sb, MESSAGE_SEPARATOR) == 0,
192 	    "sbuf_putc failed");
193 
194 	rc = sbuf_vprintf_helper(sb, MESSAGE_FORMAT, test_string);
195 	ATF_REQUIRE_MSG(rc == 0, "sbuf_vprintf failed");
196 
197 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
198 	    strerror(errno));
199 
200 	ATF_REQUIRE_STREQ_MSG(sbuf_data(sb), test_string_tmp,
201 	    "sbuf (\"%s\") != test string (\"%s\")", sbuf_data(sb),
202 	    test_string_tmp);
203 
204 	sbuf_delete(sb);
205 }
206 
207 ATF_TP_ADD_TCS(tp)
208 {
209 
210 	ATF_TP_ADD_TC(tp, sbuf_printf_drain_null_test);
211 	ATF_TP_ADD_TC(tp, sbuf_printf_drain_test);
212 	ATF_TP_ADD_TC(tp, sbuf_printf_test);
213 	ATF_TP_ADD_TC(tp, sbuf_putbuf_test);
214 	ATF_TP_ADD_TC(tp, sbuf_vprintf_test);
215 
216 	return (atf_no_error());
217 }
218