[t:2494], fix some leaks in the test

git-svn-id: file:///svn/toku/tokudb@19088 c7de825b-a66e-492c-adef-691d508d4ae1

src/tests/isolation-read-committed.c

@@ -41,17 +41,31 @@ int test_main (int argc, char * const argv[]) {
         r = db->put(db, txn_put, dbt_init(&key, "x", 4), dbt_init(&val, "x", 4), 0);   CKERR(r);
         dbt_init_malloc(&val);
         r = db->get(db, txn_put, dbt_init(&key, "x", 4), &val, 0);  CKERR(r);
+        toku_free(val.data);
+
+        dbt_init_malloc(&val);
         r = db->get(db, txn_committed, dbt_init(&key, "x", 4), &val, 0);    CKERR2(r, DB_NOTFOUND);
+        toku_free(val.data);
+
+        dbt_init_malloc(&val);
         r = db->get(db, txn_uncommitted, dbt_init(&key, "x", 4), &val, 0);  CKERR(r);
         toku_free(val.data);
         
         r = db->del(db, txn_put, dbt_init(&key, "a", 4), 0);  CKERR(r);
+
         dbt_init_malloc(&val);
         r = db->get(db, txn_put, dbt_init(&key, "a", 4), &val, 0);  CKERR2(r, DB_NOTFOUND);
+        toku_free(val.data);
+
+        dbt_init_malloc(&val);
         r = db->get(db, txn_committed, dbt_init(&key, "a", 4), &val, 0);    CKERR(r);
+        toku_free(val.data);
+
+        dbt_init_malloc(&val);
         r = db->get(db, txn_uncommitted, dbt_init(&key, "a", 4), &val, 0);  CKERR2(r, DB_NOTFOUND);
-        val.data = NULL;
         toku_free(val.data);
+
+        val.data = NULL;
     }
 
     
@@ -73,7 +87,7 @@ int test_main (int argc, char * const argv[]) {
         DBC* cursor_uncommitted = NULL;
         memset(&curr_key, 0, sizeof(curr_key));
         memset(&curr_val, 0, sizeof(curr_val));
-	
+
         r = db->cursor(db, txn_committed, &cursor_committed, 0); assert(r == 0);
         r = db->cursor(db, txn_uncommitted, &cursor_uncommitted, 0); assert(r == 0);