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/*
* Copyright (C) 2017 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 "CpuFreqParser.h"
#include "frameworks/base/core/proto/android/os/cpufreq.pb.h"
#include <android-base/file.h>
#include <android-base/test_utils.h>
#include <gmock/gmock.h>
#include <google/protobuf/message_lite.h>
#include <gtest/gtest.h>
#include <string.h>
#include <fcntl.h>
using namespace android::base;
using namespace android::os;
using namespace std;
using ::testing::StrEq;
using ::testing::Test;
using ::testing::internal::CaptureStderr;
using ::testing::internal::CaptureStdout;
using ::testing::internal::GetCapturedStderr;
using ::testing::internal::GetCapturedStdout;
class CpuFreqParserTest : public Test {
public:
virtual void SetUp() override {
ASSERT_TRUE(tf.fd != -1);
}
protected:
TemporaryFile tf;
const string kTestPath = GetExecutableDirectory();
const string kTestDataPath = kTestPath + "/testdata/";
};
TEST_F(CpuFreqParserTest, Success) {
const string testFile = kTestDataPath + "cpufreq.txt";
CpuFreqParser parser;
CpuFreqProto expected;
long jiffyHz = sysconf(_SC_CLK_TCK);
expected.set_jiffy_hz(jiffyHz);
CpuFreqProto::Stats::TimeInState* state;
CpuFreqProto::Stats* cpu0 = expected.add_cpu_freqs();
cpu0->set_cpu_name("cpu0");
state = cpu0->add_times();
state->set_state_khz(307200);
state->set_time_jiffy(23860761);
state = cpu0->add_times();
state->set_state_khz(384000);
state->set_time_jiffy(83124);
state = cpu0->add_times();
state->set_state_khz(768000);
state->set_time_jiffy(22652);
CpuFreqProto::Stats* cpu1 = expected.add_cpu_freqs();
cpu1->set_cpu_name("cpu1");
state = cpu1->add_times();
state->set_state_khz(307200);
state->set_time_jiffy(23860761);
state = cpu1->add_times();
state->set_state_khz(384000);
state->set_time_jiffy(83124);
state = cpu1->add_times();
state->set_state_khz(768000);
state->set_time_jiffy(22652);
CpuFreqProto::Stats* cpu2 = expected.add_cpu_freqs();
cpu2->set_cpu_name("cpu2");
state = cpu2->add_times();
state->set_state_khz(307200);
state->set_time_jiffy(23890935);
state = cpu2->add_times();
state->set_state_khz(384000);
state->set_time_jiffy(29383);
state = cpu2->add_times();
state->set_state_khz(748800);
state->set_time_jiffy(10547);
state = cpu2->add_times();
state->set_state_khz(825600);
state->set_time_jiffy(13173);
CpuFreqProto::Stats* cpu3 = expected.add_cpu_freqs();
cpu3->set_cpu_name("cpu3");
state = cpu3->add_times();
state->set_state_khz(307200);
state->set_time_jiffy(23890935);
state = cpu3->add_times();
state->set_state_khz(384000);
state->set_time_jiffy(29383);
state = cpu3->add_times();
state->set_state_khz(748800);
state->set_time_jiffy(10547);
state = cpu3->add_times();
state->set_state_khz(825600);
state->set_time_jiffy(13173);
int fd = open(testFile.c_str(), O_RDONLY);
ASSERT_TRUE(fd != -1);
CaptureStdout();
ASSERT_EQ(NO_ERROR, parser.Parse(fd, STDOUT_FILENO));
EXPECT_EQ(GetCapturedStdout(), expected.SerializeAsString());
close(fd);
}
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