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