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diff --git a/storage/tokudb/tests/uint_test.cc b/storage/tokudb/tests/uint_test.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 TokuDB
+
+
+Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
+
+ TokuDBis 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.
+
+ TokuDB 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 TokuDB. If not, see <http://www.gnu.org/licenses/>.
+
+======= */
+
+#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
+
+#include <stdio.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <stdlib.h>
+#include <sys/types.h>
+
+#include <tokudb_math.h>
+using namespace tokudb;
+
+static void test(int length_bits) {
+ printf("%s %d\n", __FUNCTION__, length_bits);
+ uint64_t max = (1ULL << length_bits) - 1;
+ for (uint64_t x = 0; x <= max; x++) {
+ for (uint64_t y = 0; y <= max; y++) {
+ bool over;
+ uint64_t n = uint_add(x, y, max, &over);
+ printf("%"PRIu64" %"PRIu64" %"PRIu64"\n", x, y, n);
+ }
+ }
+}
+
+int main(int argc, char *argv[]) {
+ if (argc > 1) {
+ for (int i = 1; i < argc; i++) {
+ test(atoi(argv[i]));
+ }
+ }
+ return 0;
+}