1 /*-
2 * Copyright (c) 2017 Enji Cooper <[email protected]>
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 <stdarg.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <unistd.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 #define TEST_STRING_CHOP_COUNT 5
44 _Static_assert(nitems(test_string) > TEST_STRING_CHOP_COUNT,
45 "test_string is too short");
46
47 ATF_TC_WITHOUT_HEAD(sbuf_clear_test);
ATF_TC_BODY(sbuf_clear_test,tc)48 ATF_TC_BODY(sbuf_clear_test, tc)
49 {
50 struct sbuf *sb;
51 ssize_t buf_len;
52 pid_t child_proc;
53
54 sb = sbuf_new_auto();
55 ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
56 strerror(errno));
57
58 ATF_REQUIRE_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
59
60 /*
61 * Cheat so we can get the contents of the buffer before calling
62 * sbuf_finish(3) below, making additional sbuf changes impossible.
63 */
64 child_proc = atf_utils_fork();
65 if (child_proc == 0) {
66 sbuf_putbuf(sb);
67 exit(0);
68 }
69 atf_utils_wait(child_proc, 0, test_string, "");
70
71 sbuf_clear(sb);
72
73 ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
74 strerror(errno));
75
76 buf_len = sbuf_len(sb);
77 ATF_REQUIRE_MSG(buf_len == 0, "sbuf_len (%zd) != 0", buf_len);
78 ATF_REQUIRE_STREQ_MSG(sbuf_data(sb), "",
79 "sbuf (\"%s\") was not empty", sbuf_data(sb));
80
81 sbuf_delete(sb);
82 }
83
84 ATF_TC_WITHOUT_HEAD(sbuf_done_and_sbuf_finish_test);
ATF_TC_BODY(sbuf_done_and_sbuf_finish_test,tc)85 ATF_TC_BODY(sbuf_done_and_sbuf_finish_test, tc)
86 {
87 struct sbuf *sb;
88
89 sb = sbuf_new_auto();
90 ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
91 strerror(errno));
92
93 ATF_CHECK(sbuf_done(sb) == 0);
94
95 ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
96 strerror(errno));
97
98 ATF_CHECK(sbuf_done(sb) != 0);
99
100 sbuf_delete(sb);
101 }
102
103 ATF_TC_WITHOUT_HEAD(sbuf_len_test);
ATF_TC_BODY(sbuf_len_test,tc)104 ATF_TC_BODY(sbuf_len_test, tc)
105 {
106 struct sbuf *sb;
107 ssize_t buf_len, test_string_len;
108 int i;
109
110 sb = sbuf_new_auto();
111 ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
112 strerror(errno));
113
114 test_string_len = strlen(test_string);
115 for (i = 0; i < 20; i++) {
116 buf_len = sbuf_len(sb);
117 ATF_REQUIRE_MSG(buf_len == (ssize_t)(i * test_string_len),
118 "sbuf_len (%zd) != %zu", buf_len, i * test_string_len);
119 ATF_REQUIRE_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
120 }
121
122 #ifdef HAVE_SBUF_SET_FLAGS
123 sbuf_set_flags(sb, SBUF_INCLUDENUL);
124 ATF_REQUIRE_MSG((ssize_t)(i * test_string_len + 1) == sbuf_len(sb),
125 "sbuf_len(..) didn't report the NUL char");
126 #endif
127
128 ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
129 strerror(errno));
130
131 sbuf_delete(sb);
132 }
133
134 ATF_TC_WITHOUT_HEAD(sbuf_setpos_test);
ATF_TC_BODY(sbuf_setpos_test,tc)135 ATF_TC_BODY(sbuf_setpos_test, tc)
136 {
137 struct sbuf *sb;
138 size_t test_string_chopped_len, test_string_len;
139 ssize_t buf_len;
140
141 sb = sbuf_new_auto();
142 ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
143 strerror(errno));
144
145 /*
146 * An obvious sanity check -- if sbuf_len(..) lies, these invariants
147 * are impossible to test.
148 */
149 ATF_REQUIRE(sbuf_len(sb) == 0);
150
151 ATF_CHECK(sbuf_setpos(sb, -1) == -1);
152 ATF_CHECK(sbuf_setpos(sb, 0) == 0);
153 ATF_CHECK(sbuf_setpos(sb, 1) == -1);
154
155 ATF_REQUIRE_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
156
157 buf_len = sbuf_len(sb);
158 test_string_len = strlen(test_string);
159 test_string_chopped_len = test_string_len - TEST_STRING_CHOP_COUNT;
160 ATF_REQUIRE_MSG(buf_len == (ssize_t)test_string_len,
161 "sbuf length (%zd) != test_string length (%zu)", buf_len,
162 test_string_len);
163
164 /* Out of bounds (under length) */
165 ATF_CHECK(sbuf_setpos(sb, -1) == -1);
166 /*
167 * Out of bounds (over length)
168 *
169 * Note: SBUF_INCLUDENUL not set, so take '\0' into account.
170 */
171 ATF_CHECK(sbuf_setpos(sb, test_string_len + 2) == -1);
172 /* Within bounds */
173 ATF_CHECK(sbuf_setpos(sb, test_string_chopped_len) == 0);
174
175 ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
176 strerror(errno));
177
178 buf_len = sbuf_len(sb);
179 ATF_REQUIRE_MSG(buf_len == (ssize_t)test_string_chopped_len,
180 "sbuf_setpos didn't truncate string as expected");
181 ATF_REQUIRE_MSG(strncmp(sbuf_data(sb), test_string, buf_len) == 0,
182 "sbuf (\"%s\") != test string (\"%s\") for [0,%zd]", sbuf_data(sb),
183 test_string, buf_len);
184
185 sbuf_delete(sb);
186 }
187
ATF_TP_ADD_TCS(tp)188 ATF_TP_ADD_TCS(tp)
189 {
190
191 ATF_TP_ADD_TC(tp, sbuf_clear_test);
192 ATF_TP_ADD_TC(tp, sbuf_done_and_sbuf_finish_test);
193 ATF_TP_ADD_TC(tp, sbuf_len_test);
194 #if 0
195 /* TODO */
196 #ifdef HAVE_SBUF_CLEAR_FLAGS
197 ATF_TP_ADD_TC(tp, sbuf_clear_flags_test);
198 #endif
199 #ifdef HAVE_SBUF_GET_FLAGS
200 ATF_TP_ADD_TC(tp, sbuf_get_flags_test);
201 #endif
202 ATF_TP_ADD_TC(tp, sbuf_new_positive_test);
203 ATF_TP_ADD_TC(tp, sbuf_new_negative_test);
204 #ifdef HAVE_SBUF_SET_FLAGS
205 ATF_TP_ADD_TC(tp, sbuf_set_flags_test);
206 #endif
207 #endif
208 ATF_TP_ADD_TC(tp, sbuf_setpos_test);
209
210 return (atf_no_error());
211 }
212