1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
|
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <time.h>
#include <stdbool.h>
#include <errno.h>
#include <osmocom/core/utils.h>
#include <osmocom/core/bitvec.h>
#include <osmocom/core/bits.h>
static char lol[1024]; // we pollute this with printed vectors
static inline void test_rl(const struct bitvec *bv)
{
bitvec_to_string_r(bv, lol);
printf("%s [%d] RL0=%d, RL1=%d\n", lol, bv->cur_bit, bitvec_rl(bv, false), bitvec_rl(bv, true));
}
static inline void test_shift(struct bitvec *bv, unsigned n)
{
bitvec_to_string_r(bv, lol);
printf("%s << %d:\n", lol, n);
bitvec_shiftl(bv, n);
bitvec_to_string_r(bv, lol);
printf("%s\n", lol);
}
static inline void test_get(struct bitvec *bv, unsigned n)
{
bitvec_to_string_r(bv, lol);
printf("%s [%d]", lol, bv->cur_bit);
int16_t x = bitvec_get_int16_msb(bv, n);
uint8_t tmp[2];
osmo_store16be(x, &tmp);
printf(" -> %d (%u bit) ["OSMO_BIN_SPEC" "OSMO_BIN_SPEC"]:\n", x, n, OSMO_BIN_PRINT(tmp[0]), OSMO_BIN_PRINT(tmp[1]));
bitvec_to_string_r(bv, lol);
printf("%s [%d]\n", lol, bv->cur_bit);
}
static inline void test_fill(struct bitvec *bv, unsigned n, enum bit_value val)
{
bitvec_to_string_r(bv, lol);
unsigned bvlen = bv->cur_bit;
int fi = bitvec_fill(bv, n, val);
printf("%c> FILL %s [%d] -%d-> [%d]:\n", bit_value_to_char(val), lol, bvlen, n, fi);
bitvec_to_string_r(bv, lol);
printf(" %s [%d]\n\n", lol, bv->cur_bit);
}
static inline void test_spare(struct bitvec *bv, unsigned n)
{
bitvec_to_string_r(bv, lol);
unsigned bvlen = bv->cur_bit;
int sp = bitvec_spare_padding(bv, n);
printf("%c> SPARE %s [%d] -%d-> [%d]:\n", bit_value_to_char(L), lol, bvlen, n, sp);
bitvec_to_string_r(bv, lol);
printf(" %s [%d]\n\n", lol, bv->cur_bit);
}
static inline void test_set(struct bitvec *bv, enum bit_value bit)
{
bitvec_to_string_r(bv, lol);
unsigned bvlen = bv->cur_bit;
int set = bitvec_set_bit(bv, bit);
printf("%c> SET %s [%d] ++> [%d]:\n", bit_value_to_char(bit), lol, bvlen, set);
bitvec_to_string_r(bv, lol);
printf(" %s [%d]\n\n", lol, bv->cur_bit);
}
static void test_byte_ops()
{
struct bitvec bv;
const uint8_t *in = (const uint8_t *)"ABCDEFGHIJKLMNOPQRSTUVWXYZ";
uint8_t out[26 + 2];
uint8_t data[64];
int i;
int rc;
int in_size = strlen((const char *)in);
printf("=== start %s ===\n", __func__);
bv.data = data;
bv.data_len = sizeof(data);
for (i = 0; i < 32; i++) {
/* Write to bitvec */
memset(data, 0x00, sizeof(data));
bv.cur_bit = i;
rc = bitvec_set_uint(&bv, 0x7e, 8);
OSMO_ASSERT(rc >= 0);
rc = bitvec_set_bytes(&bv, in, in_size);
OSMO_ASSERT(rc >= 0);
rc = bitvec_set_uint(&bv, 0x7e, 8);
OSMO_ASSERT(rc >= 0);
printf("bitvec: %s\n", osmo_hexdump(bv.data, bv.data_len));
/* Read from bitvec */
memset(out, 0xff, sizeof(out));
bv.cur_bit = i;
rc = bitvec_get_uint(&bv, 8);
OSMO_ASSERT(rc == 0x7e);
rc = bitvec_get_bytes(&bv, out + 1, in_size);
OSMO_ASSERT(rc >= 0);
rc = bitvec_get_uint(&bv, 8);
OSMO_ASSERT(rc == 0x7e);
printf("out: %s\n", osmo_hexdump(out, sizeof(out)));
OSMO_ASSERT(out[0] == 0xff);
OSMO_ASSERT(out[in_size+1] == 0xff);
OSMO_ASSERT(memcmp(in, out + 1, in_size) == 0);
}
printf("=== end %s ===\n", __func__);
}
static void test_unhex(const char *hex)
{
int rc;
struct bitvec b;
uint8_t d[64] = {0};
b.data = d;
b.data_len = sizeof(d);
b.cur_bit = 0;
rc = bitvec_unhex(&b, hex);
printf("%d -=> cur_bit=%u\n", rc, b.cur_bit);
printf("%s\n", osmo_hexdump_nospc(d, 64));
printf("%s\n", hex);
}
static inline void test_array_item(unsigned t, struct bitvec *b, unsigned int n,
uint32_t *array, unsigned int p)
{
unsigned int i, x, y;
bitvec_zero(b);
x = b->cur_bit;
i = bitvec_add_array(b, array, n, true, t);
y = b->cur_bit;
bitvec_add_array(b, array, n, false, t);
printf("\nbits: %u, est: %u, real: %u, x: %u, y: %u\n",
t, i, b->cur_bit, x, y);
for (i = 0; i < p; i++) {
printf(OSMO_BIT_SPEC " ", OSMO_BIT_PRINT(b->data[i]));
if (0 == (i + 1) % 15)
printf("\n");
}
}
static inline void test_bitvec_rl_curbit(struct bitvec *bv, bool b, int max_bits,
int result )
{
int num = 0;
int readIndex = bv->cur_bit;
OSMO_ASSERT(bv->cur_bit < max_bits);
num = bitvec_rl_curbit(bv, b, max_bits);
readIndex += num;
OSMO_ASSERT(bv->cur_bit == readIndex);
OSMO_ASSERT(num == result);
}
static void test_array()
{
struct bitvec b;
uint8_t d[4096];
b.data = d;
b.data_len = sizeof(d);
unsigned int i, n = 64;
uint32_t array[n];
for (i = 0; i < n; i++) {
array[i] = i * i * i + i;
printf("0x%x ", array[i]);
}
test_array_item(3, &b, n, array, n);
test_array_item(9, &b, n, array, n * 2);
test_array_item(17, &b, n, array, n * 3);
}
int main(int argc, char **argv)
{
struct bitvec bv;
uint8_t i = 8, test[i];
memset(test, 0, i);
bv.data_len = i;
bv.data = test;
bv.cur_bit = 0;
printf("test shifting...\n");
bitvec_set_uint(&bv, 0x0E, 7);
test_shift(&bv, 3);
test_shift(&bv, 17);
bitvec_set_uint(&bv, 0, 32);
bitvec_set_uint(&bv, 0x0A, 7);
test_shift(&bv, 24);
printf("checking RL functions...\n");
bitvec_zero(&bv);
test_rl(&bv);
bitvec_set_uint(&bv, 0x000F, 32);
test_rl(&bv);
bitvec_shiftl(&bv, 18);
test_rl(&bv);
bitvec_set_uint(&bv, 0x0F, 8);
test_rl(&bv);
bitvec_zero(&bv);
bitvec_set_uint(&bv, 0xFF, 8);
test_rl(&bv);
bitvec_set_uint(&bv, 0xFE, 7);
test_rl(&bv);
bitvec_set_uint(&bv, 0, 17);
test_rl(&bv);
bitvec_shiftl(&bv, 18);
test_rl(&bv);
printf("probing bit access...\n");
bitvec_zero(&bv);
bitvec_set_uint(&bv, 0x3747817, 32);
bitvec_shiftl(&bv, 10);
test_get(&bv, 2);
test_get(&bv, 7);
test_get(&bv, 9);
test_get(&bv, 13);
test_get(&bv, 16);
test_get(&bv, 42);
printf("feeling bit fills...\n");
test_set(&bv, ONE);
test_fill(&bv, 3, ZERO);
test_spare(&bv, 38);
test_spare(&bv, 43);
test_spare(&bv, 1);
test_spare(&bv, 7);
test_fill(&bv, 5, ONE);
test_fill(&bv, 3, L);
printf("byte me...\n");
test_byte_ops();
test_unhex("48282407a6a074227201000b2b2b2b2b2b2b2b2b2b2b2b");
test_unhex("47240c00400000000000000079eb2ac9402b2b2b2b2b2b");
test_unhex("47283c367513ba333004242b2b2b2b2b2b2b2b2b2b2b2b");
test_unhex("DEADFACE000000000000000000000000000000BEEFFEED");
test_unhex("FFFFFAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB");
printf("arrr...\n");
test_array();
printf("\nbitvec_runlength....\n");
bitvec_zero(&bv);
bitvec_set_uint(&bv, 0xff, 8);
bv.cur_bit -= 8;
test_bitvec_rl_curbit(&bv, 1, 64, 8);
bitvec_zero(&bv);
bitvec_set_uint(&bv, 0xfc, 8);
bv.cur_bit -= 8;
test_bitvec_rl_curbit(&bv, 1, 64, 6);
bitvec_zero(&bv);
test_bitvec_rl_curbit(&bv, 0, 52, 52);
bitvec_zero(&bv);
bitvec_set_uint(&bv, 0xfc, 8);
bv.cur_bit -= 2;
test_bitvec_rl_curbit(&bv, 0, 64, 58);
bitvec_zero(&bv);
bitvec_set_uint(&bv, 0x07, 8);
bitvec_set_uint(&bv, 0xf8, 8);
bv.cur_bit -= 11;
test_bitvec_rl_curbit(&bv, 1, 64, 8);
bitvec_zero(&bv);
test_bitvec_rl_curbit(&bv, 1, 64, 0);
printf("\nbitvec ok.\n");
return 0;
}
|
