mariadb/newbrt/tests/omt-cursor-test.c
Bradley C. Kuszmaul 33d04ef55f Integrate the omtcursors into the BRT. So far only DB_NEXT is implemented. Addresses #855, #856.
git-svn-id: file:///svn/tokudb@4325 c7de825b-a66e-492c-adef-691d508d4ae1
2008-06-02 20:52:12 +00:00

88 lines
3.8 KiB
C

#include <sys/types.h>
#include <assert.h>
typedef struct value *OMTVALUE;
#include "omt.h"
enum { N=10 };
struct value { int x; } vs[N];
OMTVALUE ps[N];
static void test (void) {
OMT o;
OMTCURSOR curs, curs2, curs3;
int i, r;
OMTVALUE v;
for (i=0; i<N; i++) {
vs[i].x=i;
ps[i]=&vs[i];
}
// destroy the omt first
r = toku_omt_create_from_sorted_array(&o, ps, 10); assert(r==0);
r = toku_omt_cursor_create(&curs); assert(r==0);
r = toku_omt_fetch(o, 5, &v, curs); assert(r==0);
toku_omt_destroy(&o);
toku_omt_cursor_destroy(&curs);
// destroy the cursor first
r = toku_omt_create_from_sorted_array(&o, ps, 10); assert(r==0);
r = toku_omt_cursor_create(&curs); assert(r==0);
r = toku_omt_fetch(o, 5, &v, curs); assert(r==0);
assert(v->x==5);
r = toku_omt_cursor_next(curs, &v);
assert(r==0 && v->x==6);
r = toku_omt_cursor_prev(curs, &v);
assert(r==0 && v->x==5);
toku_omt_cursor_destroy(&curs);
toku_omt_destroy(&o);
// Create two cursors, destroy omt first
r = toku_omt_create_from_sorted_array(&o, ps, 10); assert(r==0);
r = toku_omt_cursor_create(&curs); assert(r==0);
r = toku_omt_fetch(o, 5, &v, curs); assert(r==0);
r = toku_omt_cursor_create(&curs2); assert(r==0);
r = toku_omt_fetch(o, 4, &v, curs2); assert(r==0);
r = toku_omt_cursor_next(curs, &v); assert(r==0 && v->x==6);
toku_omt_destroy(&o);
toku_omt_cursor_destroy(&curs);
toku_omt_cursor_destroy(&curs2);
// Create two cursors, destroy them first
r = toku_omt_create_from_sorted_array(&o, ps, 10); assert(r==0);
r = toku_omt_cursor_create(&curs); assert(r==0);
r = toku_omt_fetch(o, 5, &v, curs); assert(r==0);
r = toku_omt_cursor_create(&curs2); assert(r==0);
r = toku_omt_fetch(o, 4, &v, curs2); assert(r==0);
r = toku_omt_cursor_next(curs, &v); assert(r==0 && v->x==6);
r = toku_omt_cursor_prev(curs2, &v); assert(r==0 && v->x==3);
toku_omt_cursor_destroy(&curs);
r = toku_omt_cursor_prev(curs2, &v); assert(r==0 && v->x==2);
toku_omt_cursor_destroy(&curs2);
toku_omt_destroy(&o);
// Create three cursors, destroy them first
r = toku_omt_create_from_sorted_array(&o, ps, 10); assert(r==0);
r = toku_omt_cursor_create(&curs); assert(r==0);
r = toku_omt_fetch(o, 5, &v, curs); assert(r==0);
r = toku_omt_cursor_create(&curs2); assert(r==0);
r = toku_omt_fetch(o, 4, &v, curs2); assert(r==0);
r = toku_omt_cursor_create(&curs3); assert(r==0);
r = toku_omt_fetch(o, 9, &v, curs3); assert(r==0);
r = toku_omt_cursor_next(curs, &v); assert(r==0 && v->x==6);
r = toku_omt_cursor_prev(curs2, &v); assert(r==0 && v->x==3);
r = toku_omt_cursor_next(curs3, &v); assert(r!=0 && !toku_omt_cursor_is_valid(curs3));
toku_omt_cursor_destroy(&curs);
r = toku_omt_cursor_prev(curs2, &v); assert(r==0 && v->x==2);
r = toku_omt_cursor_prev(curs2, &v); assert(r==0 && v->x==1);
r = toku_omt_fetch(o, 1, &v, curs3); assert(r==0);
r = toku_omt_cursor_prev(curs3, &v); assert(r==0 && v->x==0);
r = toku_omt_cursor_prev(curs3, &v); assert(r!=0 && !toku_omt_cursor_is_valid(curs3));
toku_omt_cursor_destroy(&curs2);
toku_omt_destroy(&o);
toku_omt_cursor_destroy(&curs3);
}
int main (int argc __attribute__((__unused__)), char *argv[] __attribute__((__unused__))) {
test();
return 0;
}