Lev Walkin | 41ba1f2 | 2004-09-14 12:46:35 +0000 | [diff] [blame] | 1 | #define EMIT_ASN_DEBUG 1 |
Lev Walkin | 41ba1f2 | 2004-09-14 12:46:35 +0000 | [diff] [blame] | 2 | #include <REAL.c> |
Lev Walkin | 8e8078a | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 3 | #include <ber_codec_prim.c> |
Lev Walkin | 41ba1f2 | 2004-09-14 12:46:35 +0000 | [diff] [blame] | 4 | #include <ber_decoder.c> |
| 5 | #include <ber_tlv_length.c> |
| 6 | #include <ber_tlv_tag.c> |
| 7 | #include <der_encoder.c> |
| 8 | #include <constraints.c> |
| 9 | |
Lev Walkin | ed46543 | 2004-09-27 20:52:36 +0000 | [diff] [blame] | 10 | static char reconstructed[2][512]; |
| 11 | static int reconstr_lens[2]; |
| 12 | |
| 13 | static int |
| 14 | callback(const void *buffer, size_t size, void *app_key) { |
| 15 | char *buf = reconstructed[app_key ? 1 : 0]; |
| 16 | int *len = &reconstr_lens[app_key ? 1 : 0]; |
| 17 | |
| 18 | if(*len + size >= sizeof(reconstructed[0])) |
| 19 | return -1; |
| 20 | |
| 21 | memcpy(buf + *len, buffer, size); |
| 22 | *len += size; |
| 23 | |
| 24 | return 0; |
| 25 | } |
| 26 | |
Lev Walkin | 41ba1f2 | 2004-09-14 12:46:35 +0000 | [diff] [blame] | 27 | static void |
Lev Walkin | ed46543 | 2004-09-27 20:52:36 +0000 | [diff] [blame] | 28 | check_str_repr(double d, const char *sample, const char *canonical_sample) { |
| 29 | ssize_t s1, s2; |
| 30 | |
| 31 | reconstr_lens[1] = reconstr_lens[0] = 0; |
| 32 | |
| 33 | s1 = REAL__dump(d, 0, callback, 0); |
| 34 | assert(s1 < sizeof(reconstructed[0])); |
| 35 | assert(s1 == reconstr_lens[0]); |
| 36 | reconstructed[0][s1] = '\0'; |
| 37 | |
| 38 | s2 = REAL__dump(d, 1, callback, (void *)1); |
| 39 | assert(s2 < sizeof(reconstructed[1])); |
| 40 | assert(s2 == reconstr_lens[1]); |
| 41 | reconstructed[1][s2] = '\0'; |
| 42 | |
| 43 | if(sample) { |
| 44 | printf("Checking [%s] against [%s]\n", |
| 45 | reconstructed[0], sample); |
| 46 | assert(!strcmp(reconstructed[0], sample)); |
| 47 | } |
| 48 | if(canonical_sample) { |
| 49 | printf("Checking [%s] against [%s] (canonical)\n", |
| 50 | reconstructed[1], canonical_sample); |
| 51 | assert(!strcmp(reconstructed[1], canonical_sample)); |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | static void |
| 56 | check(REAL_t *rn, double orig_dbl, const char *sample, const char *canonical_sample) { |
Lev Walkin | 41ba1f2 | 2004-09-14 12:46:35 +0000 | [diff] [blame] | 57 | double val; |
| 58 | uint8_t *p, *end; |
| 59 | int ret; |
| 60 | |
| 61 | printf("double value %.12f [", orig_dbl); |
| 62 | for(p = (uint8_t *)&orig_dbl, end = p + sizeof(double); p < end ; p++) |
| 63 | printf("%02x", *p); |
| 64 | printf("] (ilogb %d)\n", ilogb(orig_dbl)); |
| 65 | |
| 66 | val = frexp(orig_dbl, &ret); |
| 67 | printf("frexp(%f, %d): [", val, ret); |
| 68 | for(p = (uint8_t *)&val, end = p + sizeof(double); p < end ; p++) |
| 69 | printf("%02x", *p); |
| 70 | printf("]\n"); |
| 71 | |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 72 | ret = asn_double2REAL(rn, orig_dbl); |
Lev Walkin | 41ba1f2 | 2004-09-14 12:46:35 +0000 | [diff] [blame] | 73 | assert(ret == 0); |
| 74 | |
| 75 | printf("converted into ["); |
| 76 | for(p = rn->buf, end = p + rn->size; p < end; p++) |
| 77 | printf("%02x", *p); |
Lev Walkin | 2a789d9 | 2004-09-27 21:36:59 +0000 | [diff] [blame] | 78 | printf("]: %d\n", rn->size); |
Lev Walkin | 41ba1f2 | 2004-09-14 12:46:35 +0000 | [diff] [blame] | 79 | |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 80 | ret = asn_REAL2double(rn, &val); |
Lev Walkin | 41ba1f2 | 2004-09-14 12:46:35 +0000 | [diff] [blame] | 81 | assert(ret == 0); |
| 82 | |
| 83 | printf("and back to double: ["); |
| 84 | for(p = (uint8_t *)&val, end = p + sizeof(double); p < end ; p++) |
| 85 | printf("%02x", *p); |
| 86 | printf("] (ilogb %d)\n", ilogb(val)); |
| 87 | |
| 88 | printf("%.12f vs %.12f\n", orig_dbl, val); |
Lev Walkin | 2a789d9 | 2004-09-27 21:36:59 +0000 | [diff] [blame] | 89 | assert(orig_dbl == val || (isnan(orig_dbl) && isnan(val))); |
Lev Walkin | 41ba1f2 | 2004-09-14 12:46:35 +0000 | [diff] [blame] | 90 | printf("OK\n"); |
Lev Walkin | ed46543 | 2004-09-27 20:52:36 +0000 | [diff] [blame] | 91 | |
| 92 | check_str_repr(val, sample, canonical_sample); |
Lev Walkin | 41ba1f2 | 2004-09-14 12:46:35 +0000 | [diff] [blame] | 93 | } |
| 94 | |
| 95 | uint8_t buf_1_0[] = { 0x80, 0xcc, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; |
| 96 | uint8_t buf_1_1[] = { 0x80, 0xcc, 0x11, 0x99, 0x99, 0x99, 0x99, 0x99, 0x9a }; |
| 97 | uint8_t buf_3_14[] = { 0x80, 0xcd, 0x19, 0x1e, 0xb8, 0x51, 0xeb, 0x85, 0x1f }; |
| 98 | /* These ones are very interesting! It checks mantissa overflow! */ |
Lev Walkin | ed46543 | 2004-09-27 20:52:36 +0000 | [diff] [blame] | 99 | uint8_t buf_mo1[] = { 0xC0, 0xc5, 0x19, 0x1e, 0xb8, 0x51, 0xeb, 0x85, 0x1f,3}; |
Lev Walkin | 41ba1f2 | 2004-09-14 12:46:35 +0000 | [diff] [blame] | 100 | uint8_t buf_mo2[] = { 0x80, 0xbd, 0x19, 0x1e, 0xb8, 0x51, 0xeb, 0x85, 0x1f,3,2}; |
| 101 | |
| 102 | static void |
Lev Walkin | ed46543 | 2004-09-27 20:52:36 +0000 | [diff] [blame] | 103 | check_buf(uint8_t *buf, size_t bufsize, double verify, const char *sample, const char *canonical_sample) { |
Lev Walkin | 41ba1f2 | 2004-09-14 12:46:35 +0000 | [diff] [blame] | 104 | REAL_t rn; |
| 105 | double val; |
| 106 | uint8_t *p, *end; |
| 107 | int ret; |
| 108 | |
| 109 | printf("verify double value %.12f [", verify); |
| 110 | for(p = (uint8_t *)&verify, end = p + sizeof(double); p < end ; p++) |
| 111 | printf("%02x", *p); |
| 112 | printf("] (ilogb %d)\n", ilogb(verify)); |
| 113 | |
| 114 | rn.buf = 0; |
| 115 | rn.size = 0; |
| 116 | |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 117 | ret = asn_double2REAL(&rn, verify); |
Lev Walkin | 41ba1f2 | 2004-09-14 12:46:35 +0000 | [diff] [blame] | 118 | assert(ret == 0); |
| 119 | |
| 120 | printf("canonical DER: ["); |
| 121 | for(p = rn.buf, end = p + rn.size; p < end; p++) |
| 122 | printf("%02x", *p); |
| 123 | printf("]\n"); |
| 124 | |
| 125 | rn.buf = buf; |
| 126 | rn.size = bufsize; |
| 127 | |
| 128 | printf("received as: ["); |
| 129 | for(p = rn.buf, end = p + rn.size; p < end; p++) |
| 130 | printf("%02x", *p); |
| 131 | printf("]\n"); |
| 132 | |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 133 | ret = asn_REAL2double(&rn, &val); |
Lev Walkin | 41ba1f2 | 2004-09-14 12:46:35 +0000 | [diff] [blame] | 134 | assert(ret == 0); |
| 135 | |
| 136 | printf("%.12f vs %.12f\n", verify, val); |
| 137 | |
| 138 | assert(val == verify); |
Lev Walkin | ed46543 | 2004-09-27 20:52:36 +0000 | [diff] [blame] | 139 | |
| 140 | check_str_repr(val, sample, canonical_sample); |
Lev Walkin | 41ba1f2 | 2004-09-14 12:46:35 +0000 | [diff] [blame] | 141 | } |
| 142 | |
| 143 | int |
| 144 | main() { |
| 145 | REAL_t rn; |
Lev Walkin | c51e7d6 | 2004-09-27 22:16:18 +0000 | [diff] [blame] | 146 | static const double zero = 0.0; |
Lev Walkin | 41ba1f2 | 2004-09-14 12:46:35 +0000 | [diff] [blame] | 147 | |
| 148 | memset(&rn, 0, sizeof(rn)); |
| 149 | |
Lev Walkin | ed46543 | 2004-09-27 20:52:36 +0000 | [diff] [blame] | 150 | check(&rn, 0.0, "0", "0"); |
| 151 | check(&rn, -0.0, "-0", "-0"); /* minus-zero */ |
Lev Walkin | c51e7d6 | 2004-09-27 22:16:18 +0000 | [diff] [blame] | 152 | check(&rn, zero/zero, "<NOT-A-NUMBER/>", "<NOT-A-NUMBER/>"); |
| 153 | check(&rn, 1.0/zero, "<PLUS-INFINITY/>", "<PLUS-INFINITY/>"); |
| 154 | check(&rn, -1.0/zero, "<MINUS-INFINITY/>", "<MINUS-INFINITY/>"); |
Lev Walkin | ed46543 | 2004-09-27 20:52:36 +0000 | [diff] [blame] | 155 | check(&rn, 1.0, "1.0", "1.0E0"); |
| 156 | check(&rn, -1.0, "-1.0", "-1.0E0"); |
| 157 | check(&rn, 1.5, "1.5", "1.5E0"); |
| 158 | check(&rn, 0.1, "0.1", "1.0E-1"); |
| 159 | check(&rn, 0.33333, "0.33333", "3.3333E-1"); |
| 160 | check(&rn, 2, "2.0", "2.0E0"); |
| 161 | check(&rn, 2.1, "2.1", "2.1E0"); |
| 162 | check(&rn, 3, "3.0", "3.0E0"); |
| 163 | check(&rn, 3.1, "3.1", "3.1E0"); |
| 164 | check(&rn, 3.14, "3.14", "3.14E0"); |
| 165 | check(&rn, 3.1415, "3.1415", "3.1415E0"); |
| 166 | check(&rn, 3.141592, "3.141592", "3.141592E0"); |
| 167 | check(&rn, 3.14159265, "3.14159265", "3.14159265E0"); |
| 168 | check(&rn, -3.14159265, "-3.14159265", "-3.14159265E0"); |
| 169 | check(&rn, 14159265.0, "14159265.0", "1.4159265E7"); |
| 170 | check(&rn, -123456789123456789.0, "-123456789123456784.0", "-1.234567891234568E17"); |
| 171 | check(&rn, 0.00000000001, "0.0", "9.999999999999999E-12"); |
| 172 | check(&rn, 0.00000000002, "0.0", "2.0E-11"); |
| 173 | check(&rn, 0.00000000009, "0.0", "9.0E-11"); |
| 174 | check(&rn, 0.0000000000000000000001, "0.0", "1.0E-22"); |
| 175 | check(&rn, 0.000000000000000000000000000001, "0.0", "1.0E-30"); /* proved 2B a problem */ |
| 176 | check(&rn,-0.000000000000000000000000000001, "-0.0", "-1.0E-30"); /* proved 2B a problem */ |
| 177 | check(&rn, 0.0000000000010000000001000000000001, 0, 0); |
| 178 | check(&rn, 0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, 0, 0); |
| 179 | check(&rn, 0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, 0, 0); |
| 180 | check(&rn,-0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, 0, 0); |
| 181 | check(&rn,-3.33333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333, 0, 0); |
| 182 | check(&rn, 0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000033333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333, 0, 0); |
| 183 | check(&rn, -0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, 0, 0); |
Lev Walkin | 41ba1f2 | 2004-09-14 12:46:35 +0000 | [diff] [blame] | 184 | |
Lev Walkin | ed46543 | 2004-09-27 20:52:36 +0000 | [diff] [blame] | 185 | check_buf(buf_1_0, sizeof(buf_1_0), 1.0, "1.0", "1.0E0"); |
| 186 | check_buf(buf_1_1, sizeof(buf_1_1), 1.1, "1.1", "1.1E0"); |
| 187 | check_buf(buf_3_14, sizeof(buf_3_14), 3.14, "3.14", "3.14E0"); |
| 188 | check_buf(buf_mo1, sizeof(buf_mo1), -3.14, "-3.14", "-3.14E0"); |
| 189 | check_buf(buf_mo2, sizeof(buf_mo2), 3.14, "3.14", "3.14E0"); |
Lev Walkin | 41ba1f2 | 2004-09-14 12:46:35 +0000 | [diff] [blame] | 190 | |
| 191 | return 0; |
| 192 | } |