1 /* 2 * v4l-test: Test environment for Video For Linux Two API 3 * 4 * 20 Apr 2009 0.9 Added string content validation 5 * 19 Apr 2009 0.8 Also check std field 6 * 18 Apr 2009 0.7 More strict check for strings 7 * 3 Apr 2009 0.6 Test case for NULL parameter reworked 8 * 28 Mar 2009 0.5 Clean up ret and errno variable names and dprintf() output 9 * 18 Jan 2009 0.4 Test case for MAX_EM28XX_TVNORMS removed, test cases for 10 * S32_MAX & U32_MAX are enough 11 * 1 Jan 2009 0.3 Added index=S32_MAX and S32_MAX+1 12 * 22 Dec 2008 0.2 Test case with NULL parameter added 13 * 18 Dec 2008 0.1 First release 14 * 15 * Written by Mrton Nmeth <nm127 (at) freemail.hu> 16 * Released under GPL 17 */ 18 19 /* TODO: from V4L2 Spec: 20 * "Drivers may enumerate a different set of standards after switching the video input or output." 21 * 22 */ 23 24 #include <stdio.h> 25 #include <sys/types.h> 26 #include <sys/stat.h> 27 #include <fcntl.h> 28 #include <unistd.h> 29 #include <sys/ioctl.h> 30 #include <errno.h> 31 #include <string.h> 32 33 #include <linux/videodev2.h> 34 #include <linux/errno.h> 35 36 #include <CUnit/CUnit.h> 37 #include <CUnit/Basic.h> 38 39 #include "v4l2_test.h" 40 #include "dev_video.h" 41 #include "video_limits.h" 42 #include "v4l2_validator.h" 43 44 #include "test_VIDIOC_ENUMSTD.h" 45 46 void test_VIDIOC_ENUMSTD() 47 { 48 int ret_enum, errno_enum; 49 struct v4l2_standard std; 50 struct v4l2_standard std2; 51 __u32 i; 52 53 i = 0; 54 do { 55 memset(&std, 0xff, sizeof(std)); 56 std.index = i; 57 ret_enum = ioctl(get_video_fd(), VIDIOC_ENUMSTD, &std); 58 errno_enum = errno; 59 60 dprintf("\t%s:%u: VIDIOC_ENUMSTD, ret_enum=%i, errno_enum=%i\n", 61 __FILE__, __LINE__, ret_enum, errno_enum); 62 63 if (ret_enum == 0) { 64 CU_ASSERT_EQUAL(ret_enum, 0); 65 CU_ASSERT_EQUAL(std.index, i); 66 CU_ASSERT(valid_v4l2_std_id(std.id)); 67 68 CU_ASSERT(0 < strlen((char *)std.name)); 69 CU_ASSERT(valid_string 70 ((char *)std.name, sizeof(std.name))); 71 72 //CU_ASSERT_EQUAL(std.frameperiod.numerator, ?); 73 //CU_ASSERT_EQUAL(std.frameperiod.denominator, ?); 74 //CU_ASSERT_EQUAL(std.framelines, ?); 75 CU_ASSERT_EQUAL(std.reserved[0], 0); 76 CU_ASSERT_EQUAL(std.reserved[1], 0); 77 CU_ASSERT_EQUAL(std.reserved[2], 0); 78 CU_ASSERT_EQUAL(std.reserved[3], 0); 79 80 /* Check if the unused bytes of the name string is also filled 81 * with zeros. Also check if there is any padding byte between 82 * any two fields then this padding byte is also filled with zeros. 83 */ 84 memset(&std2, 0, sizeof(std2)); 85 std2.index = std.index; 86 std2.id = std.id; 87 strncpy((char *)std2.name, (char *)std.name, 88 sizeof(std2.name)); 89 std2.frameperiod.numerator = std.frameperiod.numerator; 90 std2.frameperiod.denominator = 91 std.frameperiod.denominator; 92 std2.framelines = std.framelines; 93 CU_ASSERT_EQUAL(memcmp(&std, &std2, sizeof(std)), 0); 94 95 dprintf("\tstd = {.index=%u, .id=%llX, .name=\"%s\", " 96 ".frameperiod={ .numerator=%u, .denominator=%u }, " 97 ".framelines=%u, " 98 ".reserved[]={ 0x%X, 0x%X, 0x%X, 0x%X } }\n", 99 std.index, 100 std.id, 101 std.name, 102 std.frameperiod.numerator, 103 std.frameperiod.denominator, 104 std.framelines, 105 std.reserved[0], 106 std.reserved[1], 107 std.reserved[2], std.reserved[3] 108 ); 109 110 } else { 111 CU_ASSERT_EQUAL(ret_enum, -1); 112 CU_ASSERT_EQUAL(errno_enum, EINVAL); 113 114 memset(&std2, 0xff, sizeof(std2)); 115 std2.index = i; 116 CU_ASSERT_EQUAL(memcmp(&std, &std2, sizeof(std)), 0); 117 118 } 119 i++; 120 } while (ret_enum == 0); 121 } 122 123 void test_VIDIOC_ENUMSTD_S32_MAX() 124 { 125 int ret_enum, errno_enum; 126 struct v4l2_standard std; 127 struct v4l2_standard std2; 128 129 memset(&std, 0xff, sizeof(std)); 130 std.index = (__u32) S32_MAX; 131 ret_enum = ioctl(get_video_fd(), VIDIOC_ENUMSTD, &std); 132 errno_enum = errno; 133 134 CU_ASSERT_EQUAL(ret_enum, -1); 135 CU_ASSERT_EQUAL(errno_enum, EINVAL); 136 137 memset(&std2, 0xff, sizeof(std2)); 138 std2.index = (__u32) S32_MAX; 139 CU_ASSERT_EQUAL(memcmp(&std, &std2, sizeof(std)), 0); 140 } 141 142 void test_VIDIOC_ENUMSTD_S32_MAX_1() 143 { 144 int ret_enum, errno_enum; 145 struct v4l2_standard std; 146 struct v4l2_standard std2; 147 148 memset(&std, 0xff, sizeof(std)); 149 std.index = ((__u32) S32_MAX) + 1; 150 ret_enum = ioctl(get_video_fd(), VIDIOC_ENUMSTD, &std); 151 errno_enum = errno; 152 153 CU_ASSERT_EQUAL(ret_enum, -1); 154 CU_ASSERT_EQUAL(errno_enum, EINVAL); 155 156 memset(&std2, 0xff, sizeof(std2)); 157 std2.index = ((__u32) S32_MAX) + 1; 158 CU_ASSERT_EQUAL(memcmp(&std, &std2, sizeof(std)), 0); 159 } 160 161 void test_VIDIOC_ENUMSTD_U32_MAX() 162 { 163 int ret_enum, errno_enum; 164 struct v4l2_standard std; 165 struct v4l2_standard std2; 166 167 memset(&std, 0xff, sizeof(std)); 168 std.index = U32_MAX; 169 ret_enum = ioctl(get_video_fd(), VIDIOC_ENUMSTD, &std); 170 errno_enum = errno; 171 172 dprintf("\t%s:%u: VIDIOC_ENUMSTD, ret_enum=%i, errno_enum=%i\n", 173 __FILE__, __LINE__, ret_enum, errno_enum); 174 175 CU_ASSERT_EQUAL(ret_enum, -1); 176 CU_ASSERT_EQUAL(errno_enum, EINVAL); 177 178 memset(&std2, 0xff, sizeof(std2)); 179 std2.index = U32_MAX; 180 CU_ASSERT_EQUAL(memcmp(&std, &std2, sizeof(std)), 0); 181 } 182 183 void test_VIDIOC_ENUMSTD_NULL() 184 { 185 int ret_enum, errno_enum; 186 int ret_null, errno_null; 187 struct v4l2_standard std; 188 189 memset(&std, 0xff, sizeof(std)); 190 std.index = 0; 191 ret_enum = ioctl(get_video_fd(), VIDIOC_ENUMSTD, &std); 192 errno_enum = errno; 193 194 dprintf("\t%s:%u: VIDIOC_ENUMSTD, ret_enum=%i, errno_enum=%i\n", 195 __FILE__, __LINE__, ret_enum, errno_enum); 196 197 ret_null = ioctl(get_video_fd(), VIDIOC_ENUMSTD, NULL); 198 errno_null = errno; 199 200 dprintf("\t%s:%u: VIDIOC_ENUMSTD, ret_null=%i, errno_null=%i\n", 201 __FILE__, __LINE__, ret_null, errno_null); 202 203 if (ret_enum == 0) { 204 CU_ASSERT_EQUAL(ret_enum, 0); 205 CU_ASSERT_EQUAL(ret_null, -1); 206 CU_ASSERT_EQUAL(errno_null, EFAULT); 207 } else { 208 CU_ASSERT_EQUAL(ret_enum, -1); 209 CU_ASSERT_EQUAL(errno_enum, EINVAL); 210 CU_ASSERT_EQUAL(ret_null, -1); 211 CU_ASSERT_EQUAL(errno_null, EINVAL); 212 } 213 214 } 215
