lib/libcam/tests/libcam_test.c

   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  * $FreeBSD$
  27  */
  28
  29 #include <errno.h>
  30 #include <fcntl.h>
  31 #include <stdio.h>
  32 #include <camlib.h>
  33
  34 #include <atf-c.h>
  35
  36 static const char *
  37 get_cam_test_device(const atf_tc_t *tc)
  38 {
  39         const char *cam_test_device;
  40
  41         cam_test_device = atf_tc_get_config_var(tc, "cam_test_device");
  42
  43         return (cam_test_device);
  44 }
  45
  46 static void
  47 cam_clear_error(void)
  48 {
  49
  50         strcpy(cam_errbuf, "");
  51 }
  52
  53 static bool
  54 cam_has_error(void)
  55 {
  56
  57         return (strlen(cam_errbuf) != 0);
  58 }
  59
  60 ATF_TC(cam_open_device_negative_test_O_RDONLY);
  61 ATF_TC_HEAD(cam_open_device_negative_test_O_RDONLY, tc)
  62 {
  63
  64         atf_tc_set_md_var(tc, "descr",
  65             "test that cam_open_device(`cam_device`, O_RDONLY) fails to open "
  66             "the underlying pass(4) device (bug 217649)");
  67         atf_tc_set_md_var(tc, "require.config", "cam_test_device");
  68         atf_tc_set_md_var(tc, "require.user", "root");
  69 }
  70
  71 ATF_TC_BODY(cam_open_device_negative_test_O_RDONLY, tc)
  72 {
  73         const char *cam_test_device;
  74
  75         cam_test_device = get_cam_test_device(tc);
  76
  77         cam_clear_error();
  78         ATF_CHECK(cam_open_device(cam_test_device, O_RDONLY) == NULL);
  79         ATF_REQUIRE(cam_has_error());
  80 }
  81
  82 ATF_TC(cam_open_device_negative_test_nonexistent);
  83 ATF_TC_HEAD(cam_open_device_negative_test_nonexistent, tc)
  84 {
  85
  86         atf_tc_set_md_var(tc, "require.user", "root");
  87 }
  88
  89 ATF_TC_BODY(cam_open_device_negative_test_nonexistent, tc)
  90 {
  91
  92         cam_clear_error();
  93         ATF_REQUIRE(cam_open_device("/nonexistent", O_RDWR) == NULL);
  94         ATF_REQUIRE(cam_has_error());
  95 }
  96
  97 ATF_TC(cam_open_device_negative_test_unprivileged);
  98 ATF_TC_HEAD(cam_open_device_negative_test_unprivileged, tc)
  99 {
 100
 101         atf_tc_set_md_var(tc, "require.config", "cam_test_device");
 102         atf_tc_set_md_var(tc, "require.user", "unprivileged");
 103 }
 104
 105 ATF_TC_BODY(cam_open_device_negative_test_unprivileged, tc)
 106 {
 107         const char *cam_test_device;
 108
 109         cam_test_device = get_cam_test_device(tc);
 110
 111         cam_clear_error();
 112         ATF_CHECK(cam_open_device(cam_test_device, O_RDONLY) == NULL);
 113         ATF_REQUIRE(cam_has_error());
 114
 115         cam_clear_error();
 116         ATF_CHECK(cam_open_device(cam_test_device, O_RDWR) == NULL);
 117         ATF_REQUIRE(cam_has_error());
 118 }
 119
 120 ATF_TC(cam_open_device_positive_test);
 121 ATF_TC_HEAD(cam_open_device_positive_test, tc)
 122 {
 123
 124         atf_tc_set_md_var(tc, "require.config", "cam_test_device");
 125         atf_tc_set_md_var(tc, "require.user", "root");
 126 }
 127
 128 ATF_TC_BODY(cam_open_device_positive_test, tc)
 129 {
 130         struct cam_device *cam_dev;
 131         const char *cam_test_device;
 132
 133         cam_test_device = get_cam_test_device(tc);
 134
 135         cam_clear_error();
 136         cam_dev = cam_open_device(cam_test_device, O_RDWR);
 137         ATF_CHECK_MSG(cam_dev != NULL, "cam_open_device failed: %s",
 138             cam_errbuf);
 139         ATF_REQUIRE(!cam_has_error());
 140         cam_close_device(cam_dev);
 141 }
 142
 143 ATF_TC(cam_close_device_negative_test_NULL);
 144 ATF_TC_HEAD(cam_close_device_negative_test_NULL, tc)
 145 {
 146
 147         atf_tc_set_md_var(tc, "descr",
 148             "test that cam_close_device(NULL) succeeds without error");
 149         atf_tc_set_md_var(tc, "require.user", "root");
 150 }
 151
 152 ATF_TC_BODY(cam_close_device_negative_test_NULL, tc)
 153 {
 154
 155         cam_clear_error();
 156         cam_close_device(NULL);
 157         ATF_REQUIRE(!cam_has_error());
 158 }
 159
 160 ATF_TC(cam_getccb_positive_test);
 161 ATF_TC_HEAD(cam_getccb_positive_test, tc)
 162 {
 163
 164         atf_tc_set_md_var(tc, "require.config", "cam_test_device");
 165         atf_tc_set_md_var(tc, "require.user", "root");
 166 }
 167
 168 ATF_TC_BODY(cam_getccb_positive_test, tc)
 169 {
 170         union ccb *cam_ccb;
 171         struct cam_device *cam_dev;
 172         const char *cam_test_device;
 173
 174         cam_test_device = get_cam_test_device(tc);
 175
 176         cam_clear_error();
 177         cam_dev = cam_open_device(cam_test_device, O_RDWR);
 178         ATF_CHECK_MSG(cam_dev != NULL, "cam_open_device failed: %s",
 179             cam_errbuf);
 180         ATF_REQUIRE(!cam_has_error());
 181         cam_ccb = cam_getccb(cam_dev);
 182         ATF_CHECK_MSG(cam_ccb != NULL, "get_camccb failed: %s", cam_errbuf);
 183         ATF_REQUIRE(!cam_has_error());
 184         cam_freeccb(cam_ccb);
 185         cam_close_device(cam_dev);
 186 }
 187
 188 ATF_TC(cam_freeccb_negative_test_NULL);
 189 ATF_TC_HEAD(cam_freeccb_negative_test_NULL, tc)
 190 {
 191
 192         atf_tc_set_md_var(tc, "descr",
 193             "test that cam_freeccb(NULL) succeeds without error");
 194         atf_tc_set_md_var(tc, "require.user", "root");
 195 }
 196
 197 ATF_TC_BODY(cam_freeccb_negative_test_NULL, tc)
 198 {
 199
 200         cam_clear_error();
 201         cam_freeccb(NULL);
 202         ATF_REQUIRE(!cam_has_error());
 203 }
 204
 205 ATF_TP_ADD_TCS(tp)
 206 {
 207
 208         ATF_TP_ADD_TC(tp, cam_open_device_negative_test_O_RDONLY);
 209         ATF_TP_ADD_TC(tp, cam_open_device_negative_test_nonexistent);
 210         ATF_TP_ADD_TC(tp, cam_open_device_negative_test_unprivileged);
 211         ATF_TP_ADD_TC(tp, cam_open_device_positive_test);
 212         ATF_TP_ADD_TC(tp, cam_close_device_negative_test_NULL);
 213         ATF_TP_ADD_TC(tp, cam_getccb_positive_test);
 214         ATF_TP_ADD_TC(tp, cam_freeccb_negative_test_NULL);
 215
 216         return (atf_no_error());
 217 }