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#include <ccan/crcsync/crcsync.h>
#include <ccan/crcsync/crcsync.c>
#include <ccan/tap/tap.h>
#include <stdlib.h>
#include <stdbool.h>
/* FIXME: ccanize. */
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
static void test_roll(unsigned int wsize)
{
uint8_t data[wsize * 2];
uint64_t uncrc_tab[256];
unsigned int i;
init_uncrc_tab(uncrc_tab, wsize);
for (i = 0; i < ARRAY_SIZE(data); i++)
data[i] = random();
for (i = 1; i < ARRAY_SIZE(data) - wsize; i++) {
uint64_t rollcrc, crc;
crc = crc64_iso(0, data+i, wsize);
rollcrc = crc_roll(crc64_iso(0, data+i-1, wsize),
data[i-1], data[i+wsize-1], uncrc_tab);
ok(crc == rollcrc, "wsize %u, i %u", wsize, i);
}
}
int main(int argc, char *argv[])
{
plan_tests(100 - 1 + 128 - 1);
test_roll(100);
test_roll(128);
return exit_status();
}
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