1 // 2 // Copyright (C) 2012 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #include "update_engine/common/cpu_limiter.h" 18 19 #include <gtest/gtest.h> 20 21 namespace chromeos_update_engine { 22 23 class CPULimiterTest : public ::testing::Test {}; 24 25 namespace { 26 // Compares cpu shares and returns an integer that is less 27 // than, equal to or greater than 0 if |shares_lhs| is, 28 // respectively, lower than, same as or higher than |shares_rhs|. 29 int CompareCpuShares(CpuShares shares_lhs, CpuShares shares_rhs) { 30 return static_cast<int>(shares_lhs) - static_cast<int>(shares_rhs); 31 } 32 } // namespace 33 34 // Tests the CPU shares enum is in the order we expect it. 35 TEST(CPULimiterTest, CompareCpuSharesTest) { 36 EXPECT_LT(CompareCpuShares(CpuShares::kLow, CpuShares::kNormal), 0); 37 EXPECT_GT(CompareCpuShares(CpuShares::kNormal, CpuShares::kLow), 0); 38 EXPECT_EQ(CompareCpuShares(CpuShares::kNormal, CpuShares::kNormal), 0); 39 EXPECT_GT(CompareCpuShares(CpuShares::kHigh, CpuShares::kNormal), 0); 40 } 41 42 } // namespace chromeos_update_engine 43
