mariadb/newbrt/tests/test-brt-overflow.c

/* Test an overflow condition on the leaf.  See #632. */


#include "test.h"
#include "includes.h"

int verbose;

static const char fname[]= __FILE__ ".brt";

static TOKUTXN const null_txn = 0;
static DB * const null_db = 0;

static void
test_overflow (void) {
    BRT t;
    CACHETABLE ct;
    u_int32_t nodesize = 1<<20; 
    int r;
    unlink(fname);
    r = toku_brt_create_cachetable(&ct, 0, ZERO_LSN, NULL_LOGGER);         assert(r==0);
    r = toku_open_brt(fname, 1, &t, nodesize, ct, null_txn, toku_builtin_compare_fun, null_db); assert(r==0);

    DBT k,v;
    u_int32_t vsize = nodesize/8;
    char buf[vsize];
    memset(buf, 'a', vsize);
    int i;
    for (i=0; i<8; i++) {
	char key[]={(char)('a'+i), 0};
	r = toku_brt_insert(t, toku_fill_dbt(&k, key, 2), toku_fill_dbt(&v,buf,sizeof(buf)), null_txn);
	assert(r==0);
    }
    r = toku_close_brt(t, 0);        assert(r==0);
    r = toku_cachetable_close(&ct);     assert(r==0);
}

int
test_main (int argc, const char *argv[]) {
    int i;
    for (i = 1; i < argc; i++) {
        const char *arg = argv[i];
        if (0 == strcmp(arg, "-v") || 0 == strcmp(arg, "--verbose"))
            verbose = 1;
        else if (0 == strcmp(arg, "-q") || 0 == strcmp(arg, "--quiet"))
            verbose = 0;
    }
    test_overflow();
    
    return 0;
}