forked from caoXF/curve
57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
/*
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* Copyright (c) 2020 NetEase Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Project: curve
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* Created Date: Sun Sep 6 17:13:58 CST 2020
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*/
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#include "src/common/math_util.h"
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#include <gtest/gtest.h>
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namespace curve {
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namespace common {
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TEST(MathUtilTest, TestMaxPowerTimesLessEqualValue) {
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ASSERT_EQ(0, MaxPowerTimesLessEqualValue(0));
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ASSERT_EQ(0, MaxPowerTimesLessEqualValue(1));
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ASSERT_EQ(2, MaxPowerTimesLessEqualValue(4));
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ASSERT_EQ(1, MaxPowerTimesLessEqualValue(2));
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ASSERT_EQ(1, MaxPowerTimesLessEqualValue(3));
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ASSERT_EQ(2, MaxPowerTimesLessEqualValue(7));
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ASSERT_EQ(3, MaxPowerTimesLessEqualValue(10));
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ASSERT_EQ(3, MaxPowerTimesLessEqualValue(15));
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ASSERT_EQ(5, MaxPowerTimesLessEqualValue(32));
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ASSERT_EQ(5, MaxPowerTimesLessEqualValue(63));
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ASSERT_EQ(6, MaxPowerTimesLessEqualValue(64));
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ASSERT_EQ(7, MaxPowerTimesLessEqualValue(255));
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ASSERT_EQ(8, MaxPowerTimesLessEqualValue(256));
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ASSERT_EQ(8, MaxPowerTimesLessEqualValue(257));
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ASSERT_EQ(10, MaxPowerTimesLessEqualValue(1024));
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ASSERT_EQ(10, MaxPowerTimesLessEqualValue(2047));
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ASSERT_EQ(11, MaxPowerTimesLessEqualValue(2048));
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ASSERT_EQ(11, MaxPowerTimesLessEqualValue(2049));
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}
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TEST(MathUtilTest, TestClamp) {
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ASSERT_EQ(0, Clamp(-1, 0, 255));
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ASSERT_EQ(255, Clamp(256, 0, 255));
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}
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} // namespace common
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} // namespace curve
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