Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 1 | #include <per_support.c> |
| 2 | #include <assert.h> |
| 3 | |
Lev Walkin | 523de9e | 2006-08-18 01:34:18 +0000 | [diff] [blame] | 4 | static void |
| 5 | check_per_decoding() { |
Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 6 | uint8_t buf[] = { 0xB7, 0x19, 0x2F, 0xEE, 0xAD }; |
| 7 | uint8_t tmpbuf[10]; |
| 8 | int32_t z; |
| 9 | asn_per_data_t pos; |
Lev Walkin | fe3dc60 | 2007-06-24 08:47:29 +0000 | [diff] [blame] | 10 | memset(&pos, 0, sizeof(pos)); |
Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 11 | |
| 12 | pos.buffer = buf; |
| 13 | pos.nboff = 0; |
| 14 | pos.nbits = sizeof(buf) * 8; |
| 15 | |
| 16 | z = per_get_few_bits(&pos, 32); |
| 17 | assert(z == -1); |
Lev Walkin | 6036488 | 2005-11-28 06:58:11 +0000 | [diff] [blame] | 18 | assert(pos.nbits == sizeof(buf) * 8); |
Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 19 | |
| 20 | z = per_get_few_bits(&pos, 0); |
| 21 | assert(z == 0); |
| 22 | assert(pos.nboff == 0); |
Lev Walkin | 6036488 | 2005-11-28 06:58:11 +0000 | [diff] [blame] | 23 | assert(pos.nbits == sizeof(buf) * 8); |
Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 24 | |
| 25 | z = per_get_few_bits(&pos, 1); |
| 26 | assert(z == 1); |
| 27 | assert(pos.nboff == 1); |
Lev Walkin | 6036488 | 2005-11-28 06:58:11 +0000 | [diff] [blame] | 28 | assert(pos.nbits == sizeof(buf) * 8); |
Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 29 | |
| 30 | z = per_get_few_bits(&pos, 2); |
| 31 | assert(z == 1); |
| 32 | assert(pos.nboff == 3); |
Lev Walkin | 6036488 | 2005-11-28 06:58:11 +0000 | [diff] [blame] | 33 | assert(pos.nbits == sizeof(buf) * 8); |
Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 34 | |
| 35 | z = per_get_few_bits(&pos, 2); |
| 36 | assert(z == 2); |
| 37 | assert(pos.nboff == 5); |
Lev Walkin | 6036488 | 2005-11-28 06:58:11 +0000 | [diff] [blame] | 38 | assert(pos.nbits == sizeof(buf) * 8); |
Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 39 | |
| 40 | z = per_get_few_bits(&pos, 3); |
| 41 | assert(z == 7); |
| 42 | assert(pos.nboff == 8); |
| 43 | assert(pos.nbits == sizeof(buf) * 8); |
| 44 | |
| 45 | z = per_get_few_bits(&pos, 8); |
| 46 | assert(z == 0x19); |
| 47 | assert(pos.nboff == 8); |
| 48 | assert(pos.nbits == (sizeof(buf) - 1) * 8); |
| 49 | |
| 50 | z = per_get_few_bits(&pos, 1); |
| 51 | assert(z == 0); |
| 52 | assert(pos.nboff == 1); |
| 53 | assert(pos.nbits == (sizeof(buf) - 2) * 8); |
| 54 | |
| 55 | z = per_get_few_bits(&pos, 3); |
| 56 | assert(z == 2); |
| 57 | assert(pos.nboff == 4); |
| 58 | assert(pos.nbits == (sizeof(buf) - 2) * 8); |
| 59 | |
| 60 | z = per_get_few_bits(&pos, 8); |
| 61 | assert(z == 254); |
| 62 | assert(pos.nboff == 12); |
| 63 | |
| 64 | pos.buffer = buf; |
| 65 | pos.nboff = 2; |
| 66 | pos.nbits = sizeof(buf) * 8; |
| 67 | z = per_get_few_bits(&pos, 24); |
| 68 | assert(z == 14443711); |
| 69 | |
Lev Walkin | 6036488 | 2005-11-28 06:58:11 +0000 | [diff] [blame] | 70 | /* Get full 31-bit range */ |
| 71 | pos.buffer = buf; |
| 72 | pos.nboff = 7; |
| 73 | pos.nbits = sizeof(buf) * 8; |
| 74 | z = per_get_few_bits(&pos, 31); |
| 75 | assert(z == 1179384747); |
| 76 | |
| 77 | /* Get a bit shifted range */ |
| 78 | pos.buffer = buf; |
| 79 | pos.nboff = 6; |
| 80 | pos.nbits = sizeof(buf) * 8; |
| 81 | z = per_get_few_bits(&pos, 31); |
| 82 | assert(z == 1663434197); |
| 83 | |
Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 84 | pos.buffer = buf; |
| 85 | pos.nboff = 0; |
| 86 | pos.nbits = sizeof(buf) * 8; |
| 87 | z = per_get_many_bits(&pos, tmpbuf, 0, sizeof(buf) * 8); |
| 88 | assert(z == 0); |
| 89 | assert(buf[0] == tmpbuf[0]); |
| 90 | assert(buf[1] == tmpbuf[1]); |
| 91 | assert(buf[2] == tmpbuf[2]); |
| 92 | assert(buf[3] == tmpbuf[3]); |
| 93 | assert(buf[4] == tmpbuf[4]); |
| 94 | |
| 95 | pos.buffer = buf; |
| 96 | pos.nboff = 1; |
| 97 | pos.nbits = sizeof(buf) * 8; |
| 98 | z = per_get_many_bits(&pos, tmpbuf, 0, sizeof(buf) * 8); |
| 99 | assert(z == -1); |
| 100 | |
| 101 | pos.buffer = buf; |
| 102 | pos.nboff = 1; |
| 103 | pos.nbits = sizeof(buf) * 8; |
| 104 | z = per_get_many_bits(&pos, tmpbuf, 0, sizeof(buf) * 8 - 1); |
| 105 | assert(z == 0); |
| 106 | assert(tmpbuf[0] == 110); |
| 107 | assert(tmpbuf[1] == 50); |
| 108 | assert(tmpbuf[2] == 95); |
| 109 | assert(tmpbuf[3] == 221); |
| 110 | assert(tmpbuf[4] == 90); |
| 111 | |
| 112 | pos.buffer = buf; |
| 113 | pos.nboff = 1; |
| 114 | pos.nbits = sizeof(buf) * 8; |
| 115 | z = per_get_many_bits(&pos, tmpbuf, 1, sizeof(buf) * 8 - 1); |
| 116 | assert(z == 0); |
| 117 | assert(tmpbuf[0] == 55); |
| 118 | assert(tmpbuf[0] != buf[0]); |
| 119 | assert(tmpbuf[1] == buf[1]); |
| 120 | assert(tmpbuf[2] == buf[2]); |
| 121 | assert(tmpbuf[3] == buf[3]); |
| 122 | assert(tmpbuf[4] == buf[4]); |
Lev Walkin | 523de9e | 2006-08-18 01:34:18 +0000 | [diff] [blame] | 123 | } |
Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 124 | |
Lev Walkin | 523de9e | 2006-08-18 01:34:18 +0000 | [diff] [blame] | 125 | static int Ignore(const void *data, size_t size, void *op_key) { |
| 126 | return 0; |
| 127 | } |
| 128 | |
| 129 | static void |
| 130 | check_per_encoding() { |
| 131 | asn_per_outp_t po; |
Lev Walkin | 0bcb49d | 2006-09-18 21:36:30 +0000 | [diff] [blame] | 132 | int ret; |
| 133 | |
Lev Walkin | 523de9e | 2006-08-18 01:34:18 +0000 | [diff] [blame] | 134 | po.buffer = po.tmpspace; |
| 135 | po.nboff = 0; |
| 136 | po.nbits = 0; |
| 137 | po.outper = Ignore; |
| 138 | po.op_key = 0; |
| 139 | po.tmpspace[0] = 0xff; |
Lev Walkin | 523de9e | 2006-08-18 01:34:18 +0000 | [diff] [blame] | 140 | |
| 141 | ret = per_put_few_bits(&po, 0, 0); |
| 142 | assert(ret == 0); |
| 143 | assert(po.nboff == 0); |
| 144 | assert(po.buffer == po.tmpspace); |
| 145 | assert(po.tmpspace[0] == 0xff); |
| 146 | |
| 147 | ret = per_put_few_bits(&po, 0, 1); |
| 148 | assert(ret == 0); |
| 149 | assert(po.nboff == 1); |
| 150 | assert(po.nbits == 8 * sizeof(po.tmpspace)); |
| 151 | assert(po.buffer == po.tmpspace); |
| 152 | assert(po.tmpspace[0] == 0x00); |
| 153 | |
| 154 | ret = per_put_few_bits(&po, 1, 1); |
| 155 | assert(ret == 0); |
| 156 | assert(po.nboff == 2); |
| 157 | assert(po.nbits == 8 * sizeof(po.tmpspace)); |
| 158 | assert(po.buffer == po.tmpspace); |
| 159 | assert(po.tmpspace[0] == 0x40); |
| 160 | |
| 161 | ret = per_put_few_bits(&po, 1, 1); |
| 162 | assert(ret == 0); |
| 163 | assert(po.nboff == 3); |
| 164 | assert(po.nbits == 8 * sizeof(po.tmpspace)); |
| 165 | assert(po.buffer == po.tmpspace); |
| 166 | assert(po.tmpspace[0] == 0x60); |
| 167 | |
| 168 | ret = per_put_few_bits(&po, 15, 5); |
| 169 | assert(ret == 0); |
| 170 | assert(po.nboff == 8); |
| 171 | assert(po.nbits == 8 * sizeof(po.tmpspace)); |
| 172 | assert(po.buffer == po.tmpspace); |
| 173 | assert(po.tmpspace[0] == 0x6F); |
| 174 | |
| 175 | ret = per_put_few_bits(&po, 0xf0ff, 16); |
| 176 | assert(ret == 0); |
| 177 | assert(po.nboff == 16); |
| 178 | assert(po.nbits == 8 * sizeof(po.tmpspace) - 8); |
| 179 | assert(po.buffer == po.tmpspace + 1); |
| 180 | assert(po.tmpspace[0] == 0x6F); |
| 181 | assert(po.tmpspace[1] == 0xf0); |
| 182 | assert(po.tmpspace[2] == 0xff); |
| 183 | |
| 184 | po.nboff--; |
| 185 | |
| 186 | ret = per_put_few_bits(&po, 2, 1); |
| 187 | assert(ret == 0); |
| 188 | assert(po.nboff == 8); |
| 189 | assert(po.nbits == 8 * sizeof(po.tmpspace) - 16); |
| 190 | assert(po.buffer == po.tmpspace + 2); |
| 191 | assert(po.tmpspace[0] == 0x6F); |
| 192 | assert(po.tmpspace[1] == 0xf0); |
| 193 | assert(po.tmpspace[2] == 0xfe); |
| 194 | |
| 195 | ret = per_put_few_bits(&po, 2, 32); |
| 196 | assert(ret == -1); |
| 197 | |
| 198 | ret = per_put_few_bits(&po, 2, -1); |
| 199 | assert(ret == -1); |
| 200 | |
| 201 | ret = per_put_few_bits(&po, -1, 31); |
| 202 | assert(ret == 0); |
| 203 | assert(po.nboff == 31); |
| 204 | assert(po.nbits == 8 * sizeof(po.tmpspace) - 24); |
| 205 | assert(po.buffer == po.tmpspace + 3); |
| 206 | assert(po.tmpspace[0] == 0x6F); |
| 207 | assert(po.tmpspace[1] == 0xf0); |
| 208 | assert(po.tmpspace[2] == 0xfe); |
| 209 | assert(po.tmpspace[3] == 0xff); |
| 210 | assert(po.tmpspace[4] == 0xff); |
| 211 | assert(po.tmpspace[5] == 0xff); |
| 212 | assert(po.tmpspace[6] == 0xfe); |
| 213 | |
| 214 | |
| 215 | } |
| 216 | |
| 217 | int |
| 218 | main() { |
| 219 | check_per_decoding(); |
| 220 | check_per_encoding(); |
Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 221 | return 0; |
| 222 | } |