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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.
*/
#ifndef SRC_TRACING_TEST_ALIGNED_BUFFER_TEST_H_
#define SRC_TRACING_TEST_ALIGNED_BUFFER_TEST_H_
#include <stdlib.h>
#include <memory>
#include "gtest/gtest.h"
#include "perfetto/base/utils.h"
#include "src/tracing/test/test_shared_memory.h"
namespace perfetto {
// Base parametrized test for unittests that require an aligned buffer.
class AlignedBufferTest : public ::testing::TestWithParam<size_t> {
public:
static constexpr size_t kNumPages = 14;
void SetUp() override;
void TearDown() override;
uint8_t* buf() const { return reinterpret_cast<uint8_t*>(buf_->start()); }
size_t buf_size() const { return buf_->size(); }
size_t page_size() const { return page_size_; }
private:
size_t page_size_ = 0;
// This doesn't need any sharing. TestSharedMemory just happens to have the
// right harness to create a zeroed page-aligned buffer.
std::unique_ptr<TestSharedMemory> buf_;
};
} // namespace perfetto
#endif // SRC_TRACING_TEST_ALIGNED_BUFFER_TEST_H_