shrub/tests/hashtable_tests.c
2017-11-09 08:35:05 -08:00

67 lines
1.3 KiB
C

#include "all.h"
static void _ch_setup(void);
static void _ch_test_cache_trimming(void);
static void _ch_test_no_cache(void);
/* main(): run all test cases.
*/
int
main(int argc, char* argv[])
{
_ch_setup();
//_ch_test_no_cache();
_ch_test_cache_trimming();
return 0;
}
/* _ch_setup(): prepare for tests.
*/
static void
_ch_setup(void)
{
u3m_init(c3y);
u3m_pave(c3y, c3n);
}
/* _ch_test_no_cache(): test a hashtable without caching.
*/
static void
_ch_test_no_cache(void)
{
c3_w i_w;
c3_w max_w = 1000;
u3p(u3h_root) har_p = u3h_new();
for ( i_w = 0; i_w < max_w; i_w++ ) {
u3h_put(har_p, i_w, i_w + max_w);
}
for ( i_w = 0; i_w < max_w; i_w++ ) {
c3_assert(i_w + max_w == u3h_get(har_p, i_w));
}
}
/* _ch_test_cache_trimming(): ensure a caching hashtable removes stale items.
*/
static void
_ch_test_cache_trimming(void)
{
c3_w max_w = 6;
c3_w i_w;
//u3p(u3h_root) har_p = u3h_new_cache(max_w / 2);
u3p(u3h_root) har_p = u3h_new_cache(1);
for ( i_w = 0; i_w < max_w; i_w++ ) {
fprintf(stderr, "****putting %d: %d******\r\n", i_w, i_w + max_w);
u3h_put(har_p, i_w, i_w + max_w);
fprintf(stderr, "********************************\r\n");
}
fprintf(stderr, "%d: %d\r\n", max_w - 1, u3h_get(har_p, max_w - 1));
}