49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#include "lib/utility/utility.h"
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#include "lib/ob_define.h"
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#include "lib/utility/ob_print_utils.h"
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#include "lib/metrics/ob_accumulator.h"
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#include <gtest/gtest.h>
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using namespace oceanbase::common;
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TEST(ObAccumulator, full_test)
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{
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ObAccumulator acc;
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ASSERT_EQ(0, acc.get_value());
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acc.add(1);
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ASSERT_EQ(0, acc.get_value());
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acc.freeze();
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ASSERT_EQ(1, acc.get_value());
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// After freeze, get_value always returns 1 until the next freeze
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acc.add(100);
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ASSERT_EQ(1, acc.get_value());
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acc.freeze();
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ASSERT_EQ(100, acc.get_value());
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// After freeze, call add again, the internal temporary value is calculated from 0
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acc.add(200);
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acc.add(300);
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acc.freeze();
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ASSERT_EQ(500, acc.get_value());
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}
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int main(int argc, char **argv)
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{
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::testing::InitGoogleTest(&argc,argv);
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return RUN_ALL_TESTS();
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}
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