xref: /freebsd/lib/libsbuf/tests/sbuf_string_test.c (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a)
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/param.h>
27 #include <sys/sbuf.h>
28 
29 #include <atf-c.h>
30 #include <errno.h>
31 #include <libutil.h>
32 #include <stdio.h>
33 #include <stdlib.h>
34 #include <string.h>
35 
36 #include "sbuf_test_common.h"
37 
38 static char test_string[] = "this is a test string";
39 static char test_whitespace_string[] = " \f\n\r\t\v ";
40 static int test_buffer[] = {
41 	0,
42 	1,
43 	2,
44 	3,
45 	4,
46 	5,
47 };
48 
49 static void
50 check_buffers_equal(const void *sb_buf, const void *test_buf, size_t len)
51 {
52 	if (memcmp(sb_buf, test_buf, len) != 0) {
53 		printf("sbuf:\n");
54 		hexdump(sb_buf, len, NULL, 0), printf("test_buf:\n");
55 		hexdump(test_buf, len, NULL, 0);
56 		atf_tc_fail("contents of sbuf didn't match test_buf contents");
57 	}
58 }
59 
60 ATF_TC_WITHOUT_HEAD(sbuf_bcat_test);
61 ATF_TC_BODY(sbuf_bcat_test, tc)
62 {
63 	struct sbuf *sb;
64 	int *test_buffer_tmp;
65 	ssize_t test_sbuf_len;
66 
67 	test_buffer_tmp = malloc(sizeof(test_buffer) * 2);
68 	ATF_REQUIRE_MSG(test_buffer_tmp != NULL, "malloc failed");
69 
70 	memcpy(test_buffer_tmp, test_buffer, sizeof(test_buffer));
71 	memcpy(&test_buffer_tmp[nitems(test_buffer)], test_buffer,
72 	    sizeof(test_buffer));
73 
74 	sb = sbuf_new_auto();
75 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
76 	    strerror(errno));
77 
78 	ATF_CHECK_MSG(sbuf_bcat(sb, test_buffer, sizeof(test_buffer)) == 0,
79 	    "sbuf_bcat failed");
80 
81 	test_sbuf_len = sbuf_len(sb);
82 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)sizeof(test_buffer),
83 	    "sbuf_len(..) => %zd (actual) != %zu (expected)", test_sbuf_len,
84 	    sizeof(test_buffer));
85 
86 	ATF_CHECK_MSG(sbuf_bcat(sb, test_buffer, sizeof(test_buffer)) == 0,
87 	    "sbuf_bcat failed");
88 
89 	test_sbuf_len = sbuf_len(sb);
90 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)(2 * sizeof(test_buffer)),
91 	    "sbuf_len(..) => %zd (actual) != %zu (expected)", test_sbuf_len,
92 	    2 * sizeof(test_buffer));
93 
94 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
95 	    strerror(errno));
96 
97 	check_buffers_equal(sbuf_data(sb), test_buffer_tmp,
98 	    (size_t)test_sbuf_len);
99 
100 	sbuf_delete(sb);
101 
102 	free(test_buffer_tmp);
103 }
104 
105 ATF_TC_WITHOUT_HEAD(sbuf_bcpy_test);
106 ATF_TC_BODY(sbuf_bcpy_test, tc)
107 {
108 	struct sbuf *sb;
109 	ssize_t test_sbuf_len;
110 
111 	sb = sbuf_new_auto();
112 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
113 	    strerror(errno));
114 
115 	ATF_CHECK_MSG(sbuf_bcpy(sb, test_buffer, sizeof(test_buffer)) == 0,
116 	    "sbuf_bcpy failed");
117 
118 	test_sbuf_len = sbuf_len(sb);
119 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)sizeof(test_buffer),
120 	    "sbuf_len(..) => %zd (actual) != %zu (expected)", test_sbuf_len,
121 	    sizeof(test_buffer));
122 
123 	ATF_CHECK_MSG(sbuf_bcpy(sb, test_buffer, sizeof(test_buffer)) == 0,
124 	    "sbuf_bcpy failed");
125 
126 	test_sbuf_len = sbuf_len(sb);
127 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)sizeof(test_buffer),
128 	    "sbuf_len(..) => %zd (actual) != %zu (expected)", test_sbuf_len,
129 	    sizeof(test_buffer));
130 
131 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
132 	    strerror(errno));
133 
134 	check_buffers_equal(sbuf_data(sb), test_buffer, (size_t)test_sbuf_len);
135 
136 	sbuf_delete(sb);
137 }
138 
139 ATF_TC_WITHOUT_HEAD(sbuf_cat_test);
140 ATF_TC_BODY(sbuf_cat_test, tc)
141 {
142 	struct sbuf *sb;
143 	char *test_string_tmp;
144 	ssize_t test_sbuf_len;
145 
146 	asprintf(&test_string_tmp, "%s%s", test_string, test_string);
147 	ATF_REQUIRE_MSG(test_string_tmp != NULL, "asprintf failed");
148 
149 	sb = sbuf_new_auto();
150 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
151 	    strerror(errno));
152 
153 	ATF_CHECK_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
154 
155 	test_sbuf_len = sbuf_len(sb);
156 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)strlen(test_string),
157 	    "sbuf_len(..) => %zd (actual) != %zu (expected)", test_sbuf_len,
158 	    sizeof(test_string));
159 
160 	ATF_CHECK_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
161 
162 	test_sbuf_len = sbuf_len(sb);
163 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)strlen(test_string_tmp),
164 	    "sbuf_len(..) => %zd (actual) != %zu (expected)", test_sbuf_len,
165 	    strlen(test_string_tmp));
166 
167 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
168 	    strerror(errno));
169 
170 	ATF_REQUIRE_STREQ_MSG(sbuf_data(sb), test_string_tmp,
171 	    "sbuf (\"%s\") != test string (\"%s\")", sbuf_data(sb),
172 	    test_string_tmp);
173 
174 	sbuf_delete(sb);
175 
176 	free(test_string_tmp);
177 }
178 
179 ATF_TC_WITHOUT_HEAD(sbuf_cpy_test);
180 ATF_TC_BODY(sbuf_cpy_test, tc)
181 {
182 	struct sbuf *sb;
183 	ssize_t test_sbuf_len;
184 
185 	sb = sbuf_new_auto();
186 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
187 	    strerror(errno));
188 
189 	ATF_CHECK_MSG(sbuf_cpy(sb, test_string) == 0, "sbuf_cpy failed");
190 
191 	test_sbuf_len = sbuf_len(sb);
192 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)strlen(test_string),
193 	    "sbuf_len(..) => %zd (actual) != %zu (expected)", test_sbuf_len,
194 	    strlen(test_string));
195 
196 	ATF_CHECK_MSG(sbuf_cpy(sb, test_string) == 0, "sbuf_cpy failed");
197 
198 	test_sbuf_len = sbuf_len(sb);
199 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)strlen(test_string),
200 	    "sbuf_len(..) => %zd (actual) != %zu (expected)", test_sbuf_len,
201 	    strlen(test_string));
202 
203 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
204 	    strerror(errno));
205 
206 	ATF_REQUIRE_STREQ_MSG(sbuf_data(sb), test_string,
207 	    "sbuf (\"%s\") != test string (\"%s\")", sbuf_data(sb),
208 	    test_string);
209 
210 	sbuf_delete(sb);
211 }
212 
213 ATF_TC_WITHOUT_HEAD(sbuf_putc_test);
214 ATF_TC_BODY(sbuf_putc_test, tc)
215 {
216 	struct sbuf *sb;
217 	ssize_t test_sbuf_len;
218 	size_t i;
219 
220 	sb = sbuf_new_auto();
221 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
222 	    strerror(errno));
223 
224 	for (i = 0; i <= strlen(test_string); i++) { /* Include the NUL */
225 		ATF_REQUIRE_MSG(sbuf_putc(sb, test_string[i]) == 0,
226 		    "sbuf_putc failed");
227 
228 		/* The best we can do until sbuf_finish(3) is called. */
229 		test_sbuf_len = sbuf_len(sb);
230 		ATF_REQUIRE_MSG((ssize_t)(i + 1) == test_sbuf_len,
231 		    "sbuf_len(..) => %zd (actual) != %zu (expected)",
232 		    test_sbuf_len, i + 1);
233 	}
234 
235 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
236 	    strerror(errno));
237 
238 	ATF_REQUIRE_STREQ_MSG(sbuf_data(sb), test_string,
239 	    "sbuf (\"%s\") != test string (\"%s\")", sbuf_data(sb),
240 	    test_string);
241 
242 	sbuf_delete(sb);
243 }
244 
245 ATF_TC_WITHOUT_HEAD(sbuf_trim_test);
246 ATF_TC_BODY(sbuf_trim_test, tc)
247 {
248 	struct sbuf *sb;
249 	ssize_t exp_sbuf_len, test_sbuf_len;
250 
251 	sb = sbuf_new_auto();
252 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
253 	    strerror(errno));
254 
255 	ATF_CHECK_MSG(sbuf_cpy(sb, test_string) == 0, "sbuf_cpy failed");
256 	ATF_CHECK_MSG(sbuf_cat(sb, test_whitespace_string) == 0,
257 	    "sbuf_cat failed");
258 
259 	/* The best we can do until sbuf_finish(3) is called. */
260 	exp_sbuf_len = (ssize_t)(strlen(test_string) +
261 	    strlen(test_whitespace_string));
262 	test_sbuf_len = sbuf_len(sb);
263 	ATF_REQUIRE_MSG(exp_sbuf_len == test_sbuf_len,
264 	    "sbuf_len(..) => %zd (actual) != %zu (expected)", test_sbuf_len,
265 	    exp_sbuf_len);
266 
267 	ATF_REQUIRE_MSG(sbuf_trim(sb) == 0, "sbuf_trim failed");
268 
269 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
270 	    strerror(errno));
271 
272 	ATF_REQUIRE_STREQ_MSG(sbuf_data(sb), test_string,
273 	    "sbuf (\"%s\") != test string (\"%s\") (trimmed)", sbuf_data(sb),
274 	    test_string);
275 
276 	sbuf_delete(sb);
277 }
278 
279 ATF_TP_ADD_TCS(tp)
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