mariadb/newbrt/ybt-test.c
Bradley C. Kuszmaul 75395214ce valgrind caught a real bug in the ybt-tests (not in the ybt itself)
git-svn-id: file:///svn/tokudb@74 c7de825b-a66e-492c-adef-691d508d4ae1
2007-07-31 21:40:30 +00:00

57 lines
1.6 KiB
C

#define _FILE_OFFSET_BITS 64
#include "ybt.h"
#include "memory.h"
#include <assert.h>
#include <string.h>
void ybt_test0 (void) {
void *v0=0,*v1=0;
DBT t0,t1;
init_dbt(&t0);
init_dbt(&t1);
ybt_set_value(&t0, "hello", 6, &v0);
ybt_set_value(&t1, "foo", 4, &v1);
assert(t0.size==6);
assert(strcmp(t0.data, "hello")==0);
assert(t1.size==4);
assert(strcmp(t1.data, "foo")==0);
ybt_set_value(&t1, "byebye", 7, &v0); /* Use v0, not v1 */
// This assertion would be wrong, since v0 may have been realloc'd, and t0.data may now point
// at the wrong place
//assert(strcmp(t0.data, "byebye")==0); /* t0's data should be changed too, since it used v0 */
assert(strcmp(t1.data, "byebye")==0);
toku_free(v0); toku_free(v1);
memory_check_all_free();
/* See if we can probe to find out how big something is by setting ulen=0 with YBT_USERMEM */
init_dbt(&t0);
t0.flags = DB_DBT_USERMEM;
t0.ulen = 0;
ybt_set_value(&t0, "hello", 6, 0);
assert(t0.data==0);
assert(t0.size==6);
/* Check realloc. */
init_dbt(&t0);
t0.flags = DB_DBT_REALLOC;
v0 = 0;
ybt_set_value(&t0, "internationalization", 21, &v0);
assert(v0==0); /* Didn't change v0 */
assert(t0.size==21);
assert(strcmp(t0.data, "internationalization")==0);
ybt_set_value(&t0, "provincial", 11, &v0);
assert(t0.size==11);
assert(strcmp(t0.data, "provincial")==0);
toku_free(t0.data);
memory_check_all_free();
}
int main (int argc __attribute__((__unused__)), char *argv[] __attribute__((__unused__))) {
ybt_test0();
return 0;
}