xref: /freebsd/lib/libsbuf/tests/sbuf_stdio_test.c (revision 22cf89c938886d14f5796fc49f9f020c23ea8eaf)
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 #include <sys/param.h>
28 #include <sys/sbuf.h>
29 #include <errno.h>
30 #include <stdarg.h>
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <string.h>
34 #include <unistd.h>
35 
36 #include <atf-c.h>
37 
38 #include "sbuf_test_common.h"
39 
40 static char	test_string[] = "this is a test string";
41 
42 #define	MESSAGE_FORMAT	"message: %s\n"
43 #define	MESSAGE_SEPARATOR	';'
44 
45 static int
46 sbuf_vprintf_helper(struct sbuf *sb, const char * restrict format, ...)
47 {
48 	va_list ap;
49 	int rc;
50 
51 	va_start(ap, format);
52 
53 	rc = sbuf_vprintf(sb, format, ap);
54 
55 	va_end(ap);
56 
57 	return (rc);
58 }
59 
60 ATF_TC_WITHOUT_HEAD(sbuf_printf_drain_null_test);
61 ATF_TC_BODY(sbuf_printf_drain_null_test, tc)
62 {
63 	struct sbuf *sb;
64 	char buf[2];
65 	pid_t child_proc;
66 
67 	sb = sbuf_new(NULL, buf, sizeof(buf), SBUF_FIXEDLEN);
68 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
69 	    strerror(errno));
70 
71 	child_proc = atf_utils_fork();
72 	if (child_proc == 0) {
73 		sbuf_set_drain(sb, sbuf_printf_drain, NULL);
74 
75 		ATF_REQUIRE_EQ_MSG(0, sbuf_cat(sb, test_string),
76 		    "sbuf_cat failed");
77 
78 		ATF_CHECK_EQ(0, sbuf_finish(sb));
79 		exit(0);
80 	}
81 	atf_utils_wait(child_proc, 0, test_string, "");
82 
83 	sbuf_delete(sb);
84 }
85 
86 ATF_TC_WITHOUT_HEAD(sbuf_printf_drain_test);
87 ATF_TC_BODY(sbuf_printf_drain_test, tc)
88 {
89 	struct sbuf *sb;
90 	char buf[2];
91 	pid_t child_proc;
92 	size_t cnt = 0;
93 
94 	sb = sbuf_new(NULL, buf, sizeof(buf), SBUF_FIXEDLEN);
95 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
96 	    strerror(errno));
97 
98 	child_proc = atf_utils_fork();
99 	if (child_proc == 0) {
100 		sbuf_set_drain(sb, sbuf_printf_drain, &cnt);
101 
102 		ATF_REQUIRE_EQ_MSG(0, sbuf_cat(sb, test_string),
103 		    "sbuf_cat failed");
104 
105 		ATF_CHECK_EQ(0, sbuf_finish(sb));
106 		ATF_CHECK_EQ(strlen(test_string), cnt);
107 		exit(0);
108 	}
109 	atf_utils_wait(child_proc, 0, test_string, "");
110 
111 	sbuf_delete(sb);
112 }
113 
114 ATF_TC_WITHOUT_HEAD(sbuf_printf_test);
115 ATF_TC_BODY(sbuf_printf_test, tc)
116 {
117 	struct sbuf *sb;
118 	char *test_string_tmp;
119 
120 	asprintf(&test_string_tmp, "%s%c" MESSAGE_FORMAT,
121 	    test_string, MESSAGE_SEPARATOR, test_string);
122 	ATF_REQUIRE_MSG(test_string_tmp != NULL, "asprintf failed");
123 
124 	sb = sbuf_new_auto();
125 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
126 	    strerror(errno));
127 
128 	ATF_REQUIRE_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
129 	ATF_REQUIRE_MSG(sbuf_putc(sb, MESSAGE_SEPARATOR) == 0,
130 	    "sbuf_putc failed");
131 
132 	ATF_REQUIRE_MSG(sbuf_printf(sb, MESSAGE_FORMAT, test_string) == 0,
133 	    "sbuf_printf failed");
134 
135 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
136 	    strerror(errno));
137 
138 	ATF_REQUIRE_STREQ_MSG(sbuf_data(sb), test_string_tmp,
139 	    "sbuf (\"%s\") != test string (\"%s\")", sbuf_data(sb),
140 	    test_string_tmp);
141 
142 	sbuf_delete(sb);
143 
144 	free(test_string_tmp);
145 }
146 
147 ATF_TC_WITHOUT_HEAD(sbuf_putbuf_test);
148 ATF_TC_BODY(sbuf_putbuf_test, tc)
149 {
150 	struct sbuf *sb;
151 	pid_t child_proc;
152 
153 	sb = sbuf_new_auto();
154 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
155 	    strerror(errno));
156 
157 	ATF_REQUIRE_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
158 
159 	child_proc = atf_utils_fork();
160 	if (child_proc == 0) {
161 		ATF_CHECK_EQ(0, sbuf_finish(sb));
162 		sbuf_putbuf(sb);
163 		exit(0);
164 	}
165 	atf_utils_wait(child_proc, 0, test_string, "");
166 
167 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
168 	    strerror(errno));
169 
170 	sbuf_delete(sb);
171 }
172 
173 ATF_TC_WITHOUT_HEAD(sbuf_vprintf_test);
174 ATF_TC_BODY(sbuf_vprintf_test, tc)
175 {
176 	struct sbuf *sb;
177 	char *test_string_tmp;
178 	int rc;
179 
180 	asprintf(&test_string_tmp, "%s%c" MESSAGE_FORMAT,
181 	    test_string, MESSAGE_SEPARATOR, test_string);
182 	ATF_REQUIRE_MSG(test_string_tmp != NULL, "asprintf failed");
183 
184 	sb = sbuf_new_auto();
185 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
186 	    strerror(errno));
187 
188 	ATF_REQUIRE_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
189 	ATF_REQUIRE_MSG(sbuf_putc(sb, MESSAGE_SEPARATOR) == 0,
190 	    "sbuf_putc failed");
191 
192 	rc = sbuf_vprintf_helper(sb, MESSAGE_FORMAT, test_string);
193 	ATF_REQUIRE_MSG(rc == 0, "sbuf_vprintf failed");
194 
195 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
196 	    strerror(errno));
197 
198 	ATF_REQUIRE_STREQ_MSG(sbuf_data(sb), test_string_tmp,
199 	    "sbuf (\"%s\") != test string (\"%s\")", sbuf_data(sb),
200 	    test_string_tmp);
201 
202 	sbuf_delete(sb);
203 }
204 
205 ATF_TP_ADD_TCS(tp)
206 {
207 
208 	ATF_TP_ADD_TC(tp, sbuf_printf_drain_null_test);
209 	ATF_TP_ADD_TC(tp, sbuf_printf_drain_test);
210 	ATF_TP_ADD_TC(tp, sbuf_printf_test);
211 	ATF_TP_ADD_TC(tp, sbuf_putbuf_test);
212 	ATF_TP_ADD_TC(tp, sbuf_vprintf_test);
213 
214 	return (atf_no_error());
215 }
216