wangzelin.wzl 93a1074b0c patch 4.0
2022-10-24 17:57:12 +08:00

61 lines
1.4 KiB
C++

/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
#include <gtest/gtest.h>
#include "lib/random/ob_random.h"
namespace oceanbase
{
namespace common
{
TEST(ObRandom, normal)
{
int64_t res = 0;
//test static methods
res = ObRandom::rand(10, 10);
ASSERT_EQ(10, res);
res = ObRandom::rand(0, 100);
ASSERT_TRUE(res <= 100 && res >= 0);
res = ObRandom::rand(-1, -2);
ASSERT_TRUE(res >= -2 && res <= -1);
res = ObRandom::rand(10, 1);
ASSERT_TRUE(res >= 1 && res <= 10);
//test int64_t random number
ObRandom rand1;
res = rand1.get();
res = rand1.get(10, 10);
ASSERT_EQ(10, res);
res = rand1.get(0, 100);
ASSERT_TRUE(res <= 100 && res >= 0);
res = rand1.get(-1, -2);
ASSERT_TRUE(res >= -2 && res <= -1);
res = rand1.get(10, 1);
ASSERT_TRUE(res >= 1 && res <= 10);
//test int32_t random number
res = rand1.get_int32();
}
}
}
int main(int argc, char **argv)
{
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}