| // | 
 | // Copyright (C) 2012 The Android Open Source Project | 
 | // | 
 | // Licensed under the Apache License, Version 2.0 (the "License"); | 
 | // you may not use this file except in compliance with the License. | 
 | // You may obtain a copy of the License at | 
 | // | 
 | //      http://www.apache.org/licenses/LICENSE-2.0 | 
 | // | 
 | // Unless required by applicable law or agreed to in writing, software | 
 | // distributed under the License is distributed on an "AS IS" BASIS, | 
 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 | // See the License for the specific language governing permissions and | 
 | // limitations under the License. | 
 | // | 
 |  | 
 | #include "update_engine/common/cpu_limiter.h" | 
 |  | 
 | #include <gtest/gtest.h> | 
 |  | 
 | namespace chromeos_update_engine { | 
 |  | 
 | class CPULimiterTest : public ::testing::Test {}; | 
 |  | 
 | namespace { | 
 | // Compares cpu shares and returns an integer that is less | 
 | // than, equal to or greater than 0 if |shares_lhs| is, | 
 | // respectively, lower than, same as or higher than |shares_rhs|. | 
 | int CompareCpuShares(CpuShares shares_lhs, CpuShares shares_rhs) { | 
 |   return static_cast<int>(shares_lhs) - static_cast<int>(shares_rhs); | 
 | } | 
 | }  // namespace | 
 |  | 
 | // Tests the CPU shares enum is in the order we expect it. | 
 | TEST(CPULimiterTest, CompareCpuSharesTest) { | 
 |   EXPECT_LT(CompareCpuShares(CpuShares::kLow, CpuShares::kNormal), 0); | 
 |   EXPECT_GT(CompareCpuShares(CpuShares::kNormal, CpuShares::kLow), 0); | 
 |   EXPECT_EQ(CompareCpuShares(CpuShares::kNormal, CpuShares::kNormal), 0); | 
 |   EXPECT_GT(CompareCpuShares(CpuShares::kHigh, CpuShares::kNormal), 0); | 
 | } | 
 |  | 
 | }  // namespace chromeos_update_engine |