Files
lightning/ccan/ccan/bitmap/test/run-alloc.c
Rusty Russell fac68630b8 ccan: add ccan/bitmap.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-11-21 00:36:31 +00:00

102 lines
2.0 KiB
C

#include <ccan/bitmap/bitmap.h>
#include <ccan/tap/tap.h>
#include <ccan/array_size/array_size.h>
#include <ccan/foreach/foreach.h>
#include <ccan/bitmap/bitmap.c>
int bitmap_sizes[] = {
1, 2, 3, 4, 5, 6, 7, 8,
16, 17, 24, 32, 33,
64, 65, 127, 128, 129,
1023, 1024, 1025,
};
#define NSIZES ARRAY_SIZE(bitmap_sizes)
#define NTESTS_BASE 4
#define NTESTS_REALLOC 10
static void test_basic_alloc(int nbits)
{
bitmap *bitmap;
bitmap = bitmap_alloc0(nbits);
ok1(bitmap != NULL);
ok1(bitmap_empty(bitmap, nbits));
free(bitmap);
bitmap = bitmap_alloc1(nbits);
ok1(bitmap != NULL);
ok1(bitmap_full(bitmap, nbits));
free(bitmap);
}
static void test_realloc(int obits, int nbits)
{
bitmap *bitmap;
int i;
bool wrong;
bitmap = bitmap_alloc0(obits);
ok1(bitmap != NULL);
ok1(bitmap_empty(bitmap, obits));
bitmap = bitmap_realloc1(bitmap, obits, nbits);
ok1(bitmap != NULL);
if (obits < nbits)
ok1(bitmap_empty(bitmap, obits));
else
ok1(bitmap_empty(bitmap, nbits));
wrong = false;
for (i = obits; i < nbits; i++)
wrong = wrong || !bitmap_test_bit(bitmap, i);
ok1(!wrong);
free(bitmap);
bitmap = bitmap_alloc1(obits);
ok1(bitmap != NULL);
ok1(bitmap_full(bitmap, obits));
bitmap = bitmap_realloc0(bitmap, obits, nbits);
ok1(bitmap != NULL);
if (obits < nbits)
ok1(bitmap_full(bitmap, obits));
else
ok1(bitmap_full(bitmap, nbits));
wrong = false;
for (i = obits; i < nbits; i++)
wrong = wrong || bitmap_test_bit(bitmap, i);
ok1(!wrong);
free(bitmap);
}
int main(void)
{
int i, j;
/* This is how many tests you plan to run */
plan_tests(NSIZES * NTESTS_BASE + NSIZES * NSIZES * NTESTS_REALLOC);
for (i = 0; i < NSIZES; i++) {
diag("Testing %d-bit bitmap", bitmap_sizes[i]);
test_basic_alloc(bitmap_sizes[i]);
}
for (i = 0; i < NSIZES; i++) {
for (j = 0; j < NSIZES; j++) {
diag("Testing %d-bit => %d-bit bitmap",
bitmap_sizes[i], bitmap_sizes[j]);
test_realloc(bitmap_sizes[i], bitmap_sizes[j]);
}
}
/* This exits depending on whether all tests passed */
return exit_status();
}