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diff --git a/storage/tokudb/PerconaFT/src/tests/stat64.cc b/storage/tokudb/PerconaFT/src/tests/stat64.cc
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+/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
+#ident "$Id$"
+/*======
+This file is part of PerconaFT.
+
+
+Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
+
+ PerconaFT is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License, version 2,
+ as published by the Free Software Foundation.
+
+ PerconaFT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
+
+----------------------------------------
+
+ PerconaFT is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License, version 3,
+ as published by the Free Software Foundation.
+
+ PerconaFT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
+======= */
+
+#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
+
+// test the stat64 function on flat databases
+
+#include "test.h"
+
+#include <db.h>
+#include <sys/stat.h>
+
+static void
+test_stat64 (unsigned int N) {
+ if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
+
+ int r;
+ toku_os_recursive_delete(TOKU_TEST_FILENAME);
+ toku_os_mkdir(TOKU_TEST_FILENAME, S_IRWXU+S_IRWXG+S_IRWXO);
+
+ DB_ENV *env;
+ DB *db;
+ DB_TXN *txn;
+ r = db_env_create(&env, 0); CKERR(r);
+ r = env->set_redzone(env, 0); CKERR(r);
+
+ r = env->set_cachesize(env, 0, 20*1000000, 1);
+ r = env->open(env, TOKU_TEST_FILENAME, DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_MPOOL|DB_INIT_TXN|DB_CREATE|DB_PRIVATE, S_IRWXU+S_IRWXG+S_IRWXO); CKERR(r);
+ r = db_create(&db, env, 0); CKERR(r);
+
+ {
+ r=env->txn_begin(env, 0, &txn, 0); assert(r==0);
+ r=db->open(db, txn, "foo.db", 0, DB_BTREE, DB_CREATE, S_IRWXU+S_IRWXG+S_IRWXO); CKERR(r);
+ r=txn->commit(txn, 0); assert(r==0);
+ }
+
+ r=env->txn_begin(env, 0, &txn, 0); CKERR(r);
+
+ // insert sequential keys into the databases
+ unsigned int i;
+ uint64_t dsize=0;
+ for (i=0; i<N; i++) {
+ if (verbose>1 && i % (1<<14) == 0) {
+ printf("%s(total=%u) inserted %u so far\n", __FILE__, N, i);
+ fflush(stdout);
+ }
+ char hello[30], there[30];
+ snprintf(hello, sizeof(hello), "hello%8d", i);
+ snprintf(there, sizeof(there), "there%d", i);
+ DBT key, val;
+ r=db->put(db, txn,
+ dbt_init(&key, hello, strlen(hello)+1),
+ dbt_init(&val, there, strlen(there)+1),
+ 0);
+ dsize += strlen(hello)+1 + strlen(there)+1;
+ CKERR(r);
+ }
+ r=txn->commit(txn, 0); CKERR(r);
+
+ // get and verify stats, should be treated as estimates
+ r=env->txn_begin(env, 0, &txn, 0); CKERR(r);
+ {
+ DB_BTREE_STAT64 s;
+ r=db->stat64(db, txn, &s); CKERR(r);
+ if (verbose) {
+ char cmd[sizeof("ls -l ") + TOKU_PATH_MAX];
+ snprintf(cmd, sizeof(cmd), "ls -l %s", TOKU_TEST_FILENAME);
+ r = system(cmd);
+ CKERR(r);
+ printf("N=%d\n", N);
+ printf("nkeys=%" PRIu64 "\nndata=%" PRIu64 "\ndsize=%" PRIu64 "\n",
+ s.bt_nkeys, s.bt_ndata, s.bt_dsize);
+ printf("fsize=%" PRIu64 "\n", s.bt_fsize);
+ printf("expected dsize=%" PRIu64 "\n", dsize);
+ }
+ assert(0 < s.bt_nkeys && s.bt_nkeys <= N);
+ assert(s.bt_ndata == s.bt_nkeys);
+ assert(0 < s.bt_dsize && s.bt_dsize <= dsize);
+ // cannot reliably test bt_fsize, because it
+ // measures the size of the file on disk.
+ //assert(s.bt_fsize > N);
+ }
+ r=txn->commit(txn, 0); CKERR(r);
+
+ // get the last row, this forces the root estimates to be updated.
+ {
+ r = env->txn_begin(env, NULL, &txn, 0); CKERR(r);
+ DBC *c = NULL;
+ r = db->cursor(db, txn, &c, 0); CKERR(r);
+ DBT key; dbt_init(&key, NULL, 0);
+ DBT val; dbt_init(&val, NULL, 0);
+ r = c->c_get(c, &key, &val, DB_LAST);
+ CKERR(r);
+ r = c->c_close(c); CKERR(r);
+ r = txn->commit(txn, 0); CKERR(r);
+ }
+
+ // get and verify stats
+ r=env->txn_begin(env, 0, &txn, 0); CKERR(r);
+ {
+ DB_BTREE_STAT64 s;
+ r=db->stat64(db, txn, &s); CKERR(r);
+ if (verbose) {
+ char cmd[sizeof("ls -l ") + TOKU_PATH_MAX];
+ snprintf(cmd, sizeof(cmd), "ls -l %s", TOKU_TEST_FILENAME);
+ r = system(cmd);
+ CKERR(r);
+ printf("N=%d\n", N);
+ printf("nkeys=%" PRIu64 "\nndata=%" PRIu64 "\ndsize=%" PRIu64 "\n",
+ s.bt_nkeys, s.bt_ndata, s.bt_dsize);
+ printf("fsize=%" PRIu64 "\n", s.bt_fsize);
+ printf("expected dsize=%" PRIu64 "\n", dsize);
+ }
+ assert(0 < s.bt_nkeys && s.bt_nkeys <= N);
+ assert(s.bt_ndata == s.bt_nkeys);
+ assert(0 < s.bt_dsize && s.bt_dsize <= dsize);
+ // cannot reliably test bt_fsize, because it
+ // measures the size of the file on disk.
+ //assert(s.bt_fsize > N);
+ }
+ r=txn->commit(txn, 0); CKERR(r);
+
+ r=db->close(db, 0); CKERR(r);
+
+ r=env->close(env, 0); CKERR(r);
+}
+
+int
+test_main (int argc, char *const argv[])
+{
+ parse_args(argc, argv);
+ test_stat64(40000);
+ test_stat64(400000);
+ return 0;
+}
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