xref: /freebsd/lib/libsbuf/tests/sbuf_string_test.c (revision b9f654b163bce26de79705e77b872427c9f2afa1)
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 <libutil.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 
37 #include <atf-c.h>
38 
39 #include "sbuf_test_common.h"
40 
41 static char	test_string[] = "this is a test string";
42 static char	test_whitespace_string[] = " \f\n\r\t\v ";
43 static int	test_buffer[] = { 0, 1, 2, 3, 4, 5, };
44 
45 static void
46 check_buffers_equal(const void *sb_buf, const void *test_buf, size_t len)
47 {
48 
49 	if (memcmp(sb_buf, test_buf, len) != 0) {
50 		printf("sbuf:\n");
51 		hexdump(sb_buf, len, NULL, 0),
52 		printf("test_buf:\n");
53 		hexdump(test_buf, len, NULL, 0);
54 		atf_tc_fail("contents of sbuf didn't match test_buf contents");
55 	}
56 }
57 
58 ATF_TC_WITHOUT_HEAD(sbuf_bcat_test);
59 ATF_TC_BODY(sbuf_bcat_test, tc)
60 {
61 	struct sbuf *sb;
62 	int *test_buffer_tmp;
63 	ssize_t test_sbuf_len;
64 
65 	test_buffer_tmp = malloc(sizeof(test_buffer) * 2);
66 	ATF_REQUIRE_MSG(test_buffer_tmp != NULL, "malloc failed");
67 
68 	memcpy(test_buffer_tmp, test_buffer, sizeof(test_buffer));
69 	memcpy(&test_buffer_tmp[nitems(test_buffer)], test_buffer,
70 	    sizeof(test_buffer));
71 
72 	sb = sbuf_new_auto();
73 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
74 	    strerror(errno));
75 
76 	ATF_CHECK_MSG(sbuf_bcat(sb, test_buffer, sizeof(test_buffer)) == 0,
77 	    "sbuf_bcat failed");
78 
79 	test_sbuf_len = sbuf_len(sb);
80 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)sizeof(test_buffer),
81 	    "sbuf_len(..) => %zd (actual) != %zu (expected)",
82 	    test_sbuf_len, sizeof(test_buffer));
83 
84 	ATF_CHECK_MSG(sbuf_bcat(sb, test_buffer, sizeof(test_buffer)) == 0,
85 	    "sbuf_bcat failed");
86 
87 	test_sbuf_len = sbuf_len(sb);
88 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)(2 * sizeof(test_buffer)),
89 	    "sbuf_len(..) => %zd (actual) != %zu (expected)",
90 	    test_sbuf_len, 2 * sizeof(test_buffer));
91 
92 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
93 	    strerror(errno));
94 
95 	check_buffers_equal(sbuf_data(sb), test_buffer_tmp,
96 	    (size_t)test_sbuf_len);
97 
98 	sbuf_delete(sb);
99 
100 	free(test_buffer_tmp);
101 }
102 
103 ATF_TC_WITHOUT_HEAD(sbuf_bcpy_test);
104 ATF_TC_BODY(sbuf_bcpy_test, tc)
105 {
106 	struct sbuf *sb;
107 	ssize_t test_sbuf_len;
108 
109 	sb = sbuf_new_auto();
110 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
111 	    strerror(errno));
112 
113 	ATF_CHECK_MSG(sbuf_bcpy(sb, test_buffer, sizeof(test_buffer)) == 0,
114 	    "sbuf_bcpy failed");
115 
116 	test_sbuf_len = sbuf_len(sb);
117 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)sizeof(test_buffer),
118 	    "sbuf_len(..) => %zd (actual) != %zu (expected)",
119 	    test_sbuf_len, sizeof(test_buffer));
120 
121 	ATF_CHECK_MSG(sbuf_bcpy(sb, test_buffer, sizeof(test_buffer)) == 0,
122 	    "sbuf_bcpy failed");
123 
124 	test_sbuf_len = sbuf_len(sb);
125 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)sizeof(test_buffer),
126 	    "sbuf_len(..) => %zd (actual) != %zu (expected)",
127 	    test_sbuf_len, sizeof(test_buffer));
128 
129 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
130 	    strerror(errno));
131 
132 	check_buffers_equal(sbuf_data(sb), test_buffer, (size_t)test_sbuf_len);
133 
134 	sbuf_delete(sb);
135 }
136 
137 ATF_TC_WITHOUT_HEAD(sbuf_cat_test);
138 ATF_TC_BODY(sbuf_cat_test, tc)
139 {
140 	struct sbuf *sb;
141 	char *test_string_tmp;
142 	ssize_t test_sbuf_len;
143 
144 	asprintf(&test_string_tmp, "%s%s", test_string, test_string);
145 	ATF_REQUIRE_MSG(test_string_tmp != NULL, "asprintf failed");
146 
147 	sb = sbuf_new_auto();
148 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
149 	    strerror(errno));
150 
151 	ATF_CHECK_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
152 
153 	test_sbuf_len = sbuf_len(sb);
154 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)strlen(test_string),
155 	    "sbuf_len(..) => %zd (actual) != %zu (expected)",
156 	    test_sbuf_len, sizeof(test_string));
157 
158 	ATF_CHECK_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
159 
160 	test_sbuf_len = sbuf_len(sb);
161 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)strlen(test_string_tmp),
162 	    "sbuf_len(..) => %zd (actual) != %zu (expected)",
163 	    test_sbuf_len, strlen(test_string_tmp));
164 
165 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
166 	    strerror(errno));
167 
168 	ATF_REQUIRE_STREQ_MSG(sbuf_data(sb), test_string_tmp,
169 	    "sbuf (\"%s\") != test string (\"%s\")", sbuf_data(sb),
170 	    test_string_tmp);
171 
172 	sbuf_delete(sb);
173 
174 	free(test_string_tmp);
175 }
176 
177 ATF_TC_WITHOUT_HEAD(sbuf_cpy_test);
178 ATF_TC_BODY(sbuf_cpy_test, tc)
179 {
180 	struct sbuf *sb;
181 	ssize_t test_sbuf_len;
182 
183 	sb = sbuf_new_auto();
184 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
185 	    strerror(errno));
186 
187 	ATF_CHECK_MSG(sbuf_cpy(sb, test_string) == 0, "sbuf_cpy failed");
188 
189 	test_sbuf_len = sbuf_len(sb);
190 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)strlen(test_string),
191 	    "sbuf_len(..) => %zd (actual) != %zu (expected)",
192 	    test_sbuf_len, strlen(test_string));
193 
194 	ATF_CHECK_MSG(sbuf_cpy(sb, test_string) == 0, "sbuf_cpy failed");
195 
196 	test_sbuf_len = sbuf_len(sb);
197 	ATF_REQUIRE_MSG(test_sbuf_len == (ssize_t)strlen(test_string),
198 	    "sbuf_len(..) => %zd (actual) != %zu (expected)",
199 	    test_sbuf_len, strlen(test_string));
200 
201 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
202 	    strerror(errno));
203 
204 	ATF_REQUIRE_STREQ_MSG(sbuf_data(sb), test_string,
205 	    "sbuf (\"%s\") != test string (\"%s\")", sbuf_data(sb),
206 	    test_string);
207 
208 	sbuf_delete(sb);
209 }
210 
211 ATF_TC_WITHOUT_HEAD(sbuf_putc_test);
212 ATF_TC_BODY(sbuf_putc_test, tc)
213 {
214 	struct sbuf *sb;
215 	ssize_t test_sbuf_len;
216 	size_t i;
217 
218 	sb = sbuf_new_auto();
219 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
220 	    strerror(errno));
221 
222 	for (i = 0; i <= strlen(test_string); i++) {	/* Include the NUL */
223 		ATF_REQUIRE_MSG(sbuf_putc(sb, test_string[i]) == 0,
224 		    "sbuf_putc failed");
225 
226 		/* The best we can do until sbuf_finish(3) is called. */
227 		test_sbuf_len = sbuf_len(sb);
228 		ATF_REQUIRE_MSG((ssize_t)(i + 1) == test_sbuf_len,
229 		    "sbuf_len(..) => %zd (actual) != %zu (expected)",
230 		    test_sbuf_len, i + 1);
231 	}
232 
233 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
234 	    strerror(errno));
235 
236 	ATF_REQUIRE_STREQ_MSG(sbuf_data(sb), test_string,
237 	    "sbuf (\"%s\") != test string (\"%s\")", sbuf_data(sb),
238 	    test_string);
239 
240 	sbuf_delete(sb);
241 }
242 
243 ATF_TC_WITHOUT_HEAD(sbuf_trim_test);
244 ATF_TC_BODY(sbuf_trim_test, tc)
245 {
246 	struct sbuf *sb;
247 	ssize_t exp_sbuf_len, test_sbuf_len;
248 
249 	sb = sbuf_new_auto();
250 	ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
251 	    strerror(errno));
252 
253 	ATF_CHECK_MSG(sbuf_cpy(sb, test_string) == 0, "sbuf_cpy failed");
254 	ATF_CHECK_MSG(sbuf_cat(sb, test_whitespace_string) == 0,
255 	    "sbuf_cat failed");
256 
257 	/* The best we can do until sbuf_finish(3) is called. */
258 	exp_sbuf_len = (ssize_t)(strlen(test_string) +
259 	    strlen(test_whitespace_string));
260 	test_sbuf_len = sbuf_len(sb);
261 	ATF_REQUIRE_MSG(exp_sbuf_len == test_sbuf_len,
262 	    "sbuf_len(..) => %zd (actual) != %zu (expected)",
263 	    test_sbuf_len, exp_sbuf_len);
264 
265 	ATF_REQUIRE_MSG(sbuf_trim(sb) == 0, "sbuf_trim failed");
266 
267 	ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
268 	    strerror(errno));
269 
270 	ATF_REQUIRE_STREQ_MSG(sbuf_data(sb), test_string,
271 	    "sbuf (\"%s\") != test string (\"%s\") (trimmed)", sbuf_data(sb),
272 	    test_string);
273 
274 	sbuf_delete(sb);
275 }
276 
277 ATF_TP_ADD_TCS(tp)
278 {
279 
280 	ATF_TP_ADD_TC(tp, sbuf_bcat_test);
281 	ATF_TP_ADD_TC(tp, sbuf_bcpy_test);
282 	ATF_TP_ADD_TC(tp, sbuf_cat_test);
283 	ATF_TP_ADD_TC(tp, sbuf_cpy_test);
284 	ATF_TP_ADD_TC(tp, sbuf_putc_test);
285 	ATF_TP_ADD_TC(tp, sbuf_trim_test);
286 
287 	return (atf_no_error());
288 }
289