#include <inttypes.h>
#include "../lib/lfsr.h"
-
-struct axmap;
-void axmap_set(struct axmap *, uint64_t);
-struct axmap *axmap_new(uint64_t size);
+#include "../lib/axmap.h"
void *smalloc(size_t size)
{
free(ptr);
}
-int main(int argc, char *argv[])
+static int test_regular(size_t size, int seed)
{
struct fio_lfsr lfsr;
- size_t size = (1UL << 28) - 200;
struct axmap *map;
- int seed = 1;
-
- if (argc > 1) {
- size = strtoul(argv[1], NULL, 10);
- if (argc > 2)
- seed = strtoul(argv[2], NULL, 10);
- }
+ size_t osize;
+ uint64_t ff;
+ int err;
- printf("Using %llu entries\n", (unsigned long long) size);
+ printf("Using %llu entries...", (unsigned long long) size);
+ fflush(stdout);
- lfsr_init(&lfsr, size, seed);
+ lfsr_init(&lfsr, size, seed, seed & 0xF);
map = axmap_new(size);
+ osize = size;
+ err = 0;
while (size--) {
uint64_t val;
- lfsr_next(&lfsr, &val);
+ if (lfsr_next(&lfsr, &val)) {
+ printf("lfsr: short loop\n");
+ err = 1;
+ break;
+ }
+ if (axmap_isset(map, val)) {
+ printf("bit already set\n");
+ err = 1;
+ break;
+ }
axmap_set(map, val);
+ if (!axmap_isset(map, val)) {
+ printf("bit not set\n");
+ err = 1;
+ break;
+ }
+ }
+
+ if (err)
+ return err;
+
+ ff = axmap_next_free(map, osize);
+ if (ff != (uint64_t) -1ULL) {
+ printf("axmap_next_free broken: got %llu\n", (unsigned long long) ff);
+ return 1;
}
+ printf("pass!\n");
+ axmap_free(map);
+ return 0;
+}
+
+static int test_multi(size_t size, unsigned int bit_off)
+{
+ unsigned int map_size = size;
+ struct axmap *map;
+ uint64_t val = bit_off;
+ int i, err;
+
+ printf("Test multi %llu entries %u offset...", (unsigned long long) size, bit_off);
+ fflush(stdout);
+
+ map = axmap_new(map_size);
+ while (val + 128 <= map_size) {
+ err = 0;
+ for (i = val; i < val + 128; i++) {
+ if (axmap_isset(map, val + i)) {
+ printf("bit already set\n");
+ err = 1;
+ break;
+ }
+ }
+
+ if (err)
+ break;
+
+ err = axmap_set_nr(map, val, 128);
+ if (err != 128) {
+ printf("only set %u bits\n", err);
+ break;
+ }
+
+ err = 0;
+ for (i = 0; i < 128; i++) {
+ if (!axmap_isset(map, val + i)) {
+ printf("bit not set: %llu\n", (unsigned long long) val + i);
+ err = 1;
+ break;
+ }
+ }
+
+ val += 128;
+ if (err)
+ break;
+ }
+
+ if (!err)
+ printf("pass!\n");
+
+ axmap_free(map);
+ return err;
+}
+
+int main(int argc, char *argv[])
+{
+ size_t size = (1UL << 23) - 200;
+ int seed = 1;
+
+ if (argc > 1) {
+ size = strtoul(argv[1], NULL, 10);
+ if (argc > 2)
+ seed = strtoul(argv[2], NULL, 10);
+ }
+
+ if (test_regular(size, seed))
+ return 1;
+ if (test_multi(size, 0))
+ return 2;
+ if (test_multi(size, 17))
+ return 3;
+
return 0;
}