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#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);
}
static void test_used_bytes()
{
struct bitvec b;
uint8_t d[32];
unsigned int i;
b.data = d;
b.data_len = sizeof(d);
bitvec_zero(&b);
OSMO_ASSERT(bitvec_used_bytes(&b) == 0);
for (i = 0; i < 8; i++) {
bitvec_set_bit(&b, 1);
OSMO_ASSERT(bitvec_used_bytes(&b) == 1);
}
for (i = 8; i < 16; i++) {
bitvec_set_bit(&b, 1);
OSMO_ASSERT(bitvec_used_bytes(&b) == 2);
}
}
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 bytes used.\n");
test_used_bytes();
printf("\nbitvec ok.\n");
return 0;
}
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