|  | // | 
|  | // 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 |