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/*
* Copyright (C) 2020 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 "MapRecordReader.h"
#include <optional>
#include <gtest/gtest.h>
#include "environment.h"
#include "event_attr.h"
#include "event_type.h"
using namespace simpleperf;
// @CddTest = 6.1/C-0-2
class MapRecordReaderTest : public ::testing::Test {
protected:
bool CreateMapRecordReader() {
const EventType* event_type = FindEventTypeByName("cpu-clock");
if (event_type == nullptr) {
return false;
}
attr_ = CreateDefaultPerfEventAttr(*event_type);
reader_.emplace(attr_, 0, true);
reader_->SetCallback([this](Record* r) { return CountRecord(r); });
return true;
}
bool CountRecord(Record* r) {
if (r->type() == PERF_RECORD_MMAP || r->type() == PERF_RECORD_MMAP2) {
map_record_count_++;
} else if (r->type() == PERF_RECORD_COMM) {
comm_record_count_++;
}
return true;
}
perf_event_attr attr_;
std::optional<MapRecordReader> reader_;
size_t map_record_count_ = 0;
size_t comm_record_count_ = 0;
};
// @CddTest = 6.1/C-0-2
TEST_F(MapRecordReaderTest, ReadKernelMaps) {
ASSERT_TRUE(CreateMapRecordReader());
ASSERT_TRUE(reader_->ReadKernelMaps());
ASSERT_GT(map_record_count_, 0);
}
// @CddTest = 6.1/C-0-2
TEST_F(MapRecordReaderTest, ReadProcessMaps) {
ASSERT_TRUE(CreateMapRecordReader());
ASSERT_TRUE(reader_->ReadProcessMaps(getpid(), 0));
ASSERT_GT(map_record_count_, 0);
ASSERT_GT(comm_record_count_, 0);
}
// @CddTest = 6.1/C-0-2
TEST_F(MapRecordReaderTest, MapRecordThread) {
#ifdef __ANDROID__
std::string tmpdir = "/data/local/tmp";
#else
std::string tmpdir = "/tmp";
#endif
auto scoped_temp_files = ScopedTempFiles::Create(tmpdir);
ASSERT_TRUE(scoped_temp_files);
ASSERT_TRUE(CreateMapRecordReader());
MapRecordThread thread(*reader_);
ASSERT_TRUE(thread.Join());
ASSERT_TRUE(thread.ReadMapRecords([this](Record* r) { return CountRecord(r); }));
ASSERT_GT(map_record_count_, 0);
ASSERT_GT(comm_record_count_, 0);
}
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