//
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// Copyright (C) 2012 The Android Open Source Project
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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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#include "update_engine/common/cpu_limiter.h"
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#include <gtest/gtest.h>
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namespace chromeos_update_engine {
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class CPULimiterTest : public ::testing::Test {};
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namespace {
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// Compares cpu shares and returns an integer that is less
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// than, equal to or greater than 0 if |shares_lhs| is,
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// respectively, lower than, same as or higher than |shares_rhs|.
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int CompareCpuShares(CpuShares shares_lhs, CpuShares shares_rhs) {
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return static_cast<int>(shares_lhs) - static_cast<int>(shares_rhs);
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}
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} // namespace
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// Tests the CPU shares enum is in the order we expect it.
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TEST(CPULimiterTest, CompareCpuSharesTest) {
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EXPECT_LT(CompareCpuShares(CpuShares::kLow, CpuShares::kNormal), 0);
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EXPECT_GT(CompareCpuShares(CpuShares::kNormal, CpuShares::kLow), 0);
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EXPECT_EQ(CompareCpuShares(CpuShares::kNormal, CpuShares::kNormal), 0);
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EXPECT_GT(CompareCpuShares(CpuShares::kHigh, CpuShares::kNormal), 0);
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}
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} // namespace chromeos_update_engine
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