xref: /freebsd/lib/libsbuf/tests/sbuf_string_test.c (revision 3416500aef140042c64bc149cb1ec6620483bc44)
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 <libutil.h>
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <string.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 static char	test_whitespace_string[] = " \f\n\r\t\v ";
44 static int	test_buffer[] = { 0, 1, 2, 3, 4, 5, };
45 
46 static void
47 check_buffers_equal(const void *sb_buf, const void *test_buf, size_t len)
48 {
49 
50 	if (memcmp(sb_buf, test_buf, len) != 0) {
51 		printf("sbuf:\n");
52 		hexdump(sb_buf, len, NULL, 0),
53 		printf("test_buf:\n");
54 		hexdump(test_buf, len, NULL, 0);
55 		atf_tc_fail("contents of sbuf didn't match test_buf contents");
56 	}
57 }
58 
59 ATF_TC_WITHOUT_HEAD(sbuf_bcat_test);
60 ATF_TC_BODY(sbuf_bcat_test, tc)
61 {
62 	struct sbuf *sb;
63 	int *test_buffer_tmp;
64 	ssize_t test_sbuf_len;
65 
66 	test_buffer_tmp = malloc(sizeof(test_buffer) * 2);
67 	ATF_REQUIRE_MSG(test_buffer_tmp != NULL, "malloc failed");
68 
69 	memcpy(test_buffer_tmp, test_buffer, sizeof(test_buffer));
70 	memcpy(&test_buffer_tmp[nitems(test_buffer)], test_buffer,
71 	    sizeof(test_buffer));
72 
73 	sb = sbuf_new_auto();
74 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
75 	    strerror(errno));
76 
77 	ATF_CHECK_MSG(sbuf_bcat(sb, test_buffer, sizeof(test_buffer)) == 0,
78 	    "sbuf_bcat failed");
79 
80 	test_sbuf_len = sbuf_len(sb);
81 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)sizeof(test_buffer),
82 	    "sbuf_len(..) => %zd (actual) != %zu (expected)",
83 	    test_sbuf_len, sizeof(test_buffer));
84 
85 	ATF_CHECK_MSG(sbuf_bcat(sb, test_buffer, sizeof(test_buffer)) == 0,
86 	    "sbuf_bcat failed");
87 
88 	test_sbuf_len = sbuf_len(sb);
89 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)(2 * sizeof(test_buffer)),
90 	    "sbuf_len(..) => %zd (actual) != %zu (expected)",
91 	    test_sbuf_len, 2 * sizeof(test_buffer));
92 
93 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
94 	    strerror(errno));
95 
96 	check_buffers_equal(sbuf_data(sb), test_buffer_tmp,
97 	    (size_t)test_sbuf_len);
98 
99 	sbuf_delete(sb);
100 
101 	free(test_buffer_tmp);
102 }
103 
104 ATF_TC_WITHOUT_HEAD(sbuf_bcpy_test);
105 ATF_TC_BODY(sbuf_bcpy_test, tc)
106 {
107 	struct sbuf *sb;
108 	ssize_t test_sbuf_len;
109 
110 	sb = sbuf_new_auto();
111 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
112 	    strerror(errno));
113 
114 	ATF_CHECK_MSG(sbuf_bcpy(sb, test_buffer, sizeof(test_buffer)) == 0,
115 	    "sbuf_bcpy failed");
116 
117 	test_sbuf_len = sbuf_len(sb);
118 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)sizeof(test_buffer),
119 	    "sbuf_len(..) => %zd (actual) != %zu (expected)",
120 	    test_sbuf_len, sizeof(test_buffer));
121 
122 	ATF_CHECK_MSG(sbuf_bcpy(sb, test_buffer, sizeof(test_buffer)) == 0,
123 	    "sbuf_bcpy failed");
124 
125 	test_sbuf_len = sbuf_len(sb);
126 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)sizeof(test_buffer),
127 	    "sbuf_len(..) => %zd (actual) != %zu (expected)",
128 	    test_sbuf_len, sizeof(test_buffer));
129 
130 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
131 	    strerror(errno));
132 
133 	check_buffers_equal(sbuf_data(sb), test_buffer, (size_t)test_sbuf_len);
134 
135 	sbuf_delete(sb);
136 }
137 
138 ATF_TC_WITHOUT_HEAD(sbuf_cat_test);
139 ATF_TC_BODY(sbuf_cat_test, tc)
140 {
141 	struct sbuf *sb;
142 	char *test_string_tmp;
143 	ssize_t test_sbuf_len;
144 
145 	asprintf(&test_string_tmp, "%s%s", test_string, test_string);
146 	ATF_REQUIRE_MSG(test_string_tmp != NULL, "asprintf failed");
147 
148 	sb = sbuf_new_auto();
149 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
150 	    strerror(errno));
151 
152 	ATF_CHECK_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
153 
154 	test_sbuf_len = sbuf_len(sb);
155 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)strlen(test_string),
156 	    "sbuf_len(..) => %zd (actual) != %zu (expected)",
157 	    test_sbuf_len, sizeof(test_string));
158 
159 	ATF_CHECK_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
160 
161 	test_sbuf_len = sbuf_len(sb);
162 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)strlen(test_string_tmp),
163 	    "sbuf_len(..) => %zd (actual) != %zu (expected)",
164 	    test_sbuf_len, strlen(test_string_tmp));
165 
166 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
167 	    strerror(errno));
168 
169 	ATF_REQUIRE_STREQ_MSG(sbuf_data(sb), test_string_tmp,
170 	    "sbuf (\"%s\") != test string (\"%s\")", sbuf_data(sb),
171 	    test_string_tmp);
172 
173 	sbuf_delete(sb);
174 
175 	free(test_string_tmp);
176 }
177 
178 ATF_TC_WITHOUT_HEAD(sbuf_cpy_test);
179 ATF_TC_BODY(sbuf_cpy_test, tc)
180 {
181 	struct sbuf *sb;
182 	ssize_t test_sbuf_len;
183 
184 	sb = sbuf_new_auto();
185 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
186 	    strerror(errno));
187 
188 	ATF_CHECK_MSG(sbuf_cpy(sb, test_string) == 0, "sbuf_cpy failed");
189 
190 	test_sbuf_len = sbuf_len(sb);
191 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)strlen(test_string),
192 	    "sbuf_len(..) => %zd (actual) != %zu (expected)",
193 	    test_sbuf_len, strlen(test_string));
194 
195 	ATF_CHECK_MSG(sbuf_cpy(sb, test_string) == 0, "sbuf_cpy failed");
196 
197 	test_sbuf_len = sbuf_len(sb);
198 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)strlen(test_string),
199 	    "sbuf_len(..) => %zd (actual) != %zu (expected)",
200 	    test_sbuf_len, strlen(test_string));
201 
202 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
203 	    strerror(errno));
204 
205 	ATF_REQUIRE_STREQ_MSG(sbuf_data(sb), test_string,
206 	    "sbuf (\"%s\") != test string (\"%s\")", sbuf_data(sb),
207 	    test_string);
208 
209 	sbuf_delete(sb);
210 }
211 
212 ATF_TC_WITHOUT_HEAD(sbuf_putc_test);
213 ATF_TC_BODY(sbuf_putc_test, tc)
214 {
215 	struct sbuf *sb;
216 	ssize_t test_sbuf_len;
217 	size_t i;
218 
219 	sb = sbuf_new_auto();
220 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
221 	    strerror(errno));
222 
223 	for (i = 0; i <= strlen(test_string); i++) {	/* Include the NUL */
224 		ATF_REQUIRE_MSG(sbuf_putc(sb, test_string[i]) == 0,
225 		    "sbuf_putc failed");
226 
227 		/* The best we can do until sbuf_finish(3) is called. */
228 		test_sbuf_len = sbuf_len(sb);
229 		ATF_REQUIRE_MSG((ssize_t)(i + 1) == test_sbuf_len,
230 		    "sbuf_len(..) => %zd (actual) != %zu (expected)",
231 		    test_sbuf_len, i + 1);
232 	}
233 
234 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
235 	    strerror(errno));
236 
237 	ATF_REQUIRE_STREQ_MSG(sbuf_data(sb), test_string,
238 	    "sbuf (\"%s\") != test string (\"%s\")", sbuf_data(sb),
239 	    test_string);
240 
241 	sbuf_delete(sb);
242 }
243 
244 ATF_TC_WITHOUT_HEAD(sbuf_trim_test);
245 ATF_TC_BODY(sbuf_trim_test, tc)
246 {
247 	struct sbuf *sb;
248 	ssize_t exp_sbuf_len, test_sbuf_len;
249 
250 	sb = sbuf_new_auto();
251 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
252 	    strerror(errno));
253 
254 	ATF_CHECK_MSG(sbuf_cpy(sb, test_string) == 0, "sbuf_cpy failed");
255 	ATF_CHECK_MSG(sbuf_cat(sb, test_whitespace_string) == 0,
256 	    "sbuf_cat failed");
257 
258 	/* The best we can do until sbuf_finish(3) is called. */
259 	exp_sbuf_len = (ssize_t)(strlen(test_string) +
260 	    strlen(test_whitespace_string));
261 	test_sbuf_len = sbuf_len(sb);
262 	ATF_REQUIRE_MSG(exp_sbuf_len == test_sbuf_len,
263 	    "sbuf_len(..) => %zd (actual) != %zu (expected)",
264 	    test_sbuf_len, exp_sbuf_len);
265 
266 	ATF_REQUIRE_MSG(sbuf_trim(sb) == 0, "sbuf_trim failed");
267 
268 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
269 	    strerror(errno));
270 
271 	ATF_REQUIRE_STREQ_MSG(sbuf_data(sb), test_string,
272 	    "sbuf (\"%s\") != test string (\"%s\") (trimmed)", sbuf_data(sb),
273 	    test_string);
274 
275 	sbuf_delete(sb);
276 }
277 
278 ATF_TP_ADD_TCS(tp)
279 {
280 
281 	ATF_TP_ADD_TC(tp, sbuf_bcat_test);
282 	ATF_TP_ADD_TC(tp, sbuf_bcpy_test);
283 	ATF_TP_ADD_TC(tp, sbuf_cat_test);
284 	ATF_TP_ADD_TC(tp, sbuf_cpy_test);
285 	ATF_TP_ADD_TC(tp, sbuf_putc_test);
286 	ATF_TP_ADD_TC(tp, sbuf_trim_test);
287 
288 	return (atf_no_error());
289 }
290