chromium/mojo/core/ipcz_driver/ring_buffer_test.cc

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "mojo/core/ipcz_driver/ring_buffer.h"

#include <cstddef>
#include <cstdint>
#include <optional>
#include <string>
#include <string_view>
#include <utility>
#include <vector>

#include "base/containers/span.h"
#include "base/memory/unsafe_shared_memory_region.h"
#include "base/ranges/algorithm.h"
#include "mojo/core/ipcz_driver/shared_buffer.h"
#include "mojo/core/ipcz_driver/shared_buffer_mapping.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace mojo::core::ipcz_driver {
namespace {

RingBufferTest;

std::string_view AsString(base::span<const uint8_t> bytes) { … }

base::span<const uint8_t> AsBytes(std::string_view s) { … }

// Wraps a RingBuffer with more convient string-based I/O for tests to use.
class TestRingBuffer { … };

TEST_F(RingBufferTest, EmptyReads) { … }

TEST_F(RingBufferTest, FullWrites) { … }

TEST_F(RingBufferTest, DirectReader) { … }

TEST_F(RingBufferTest, DirectWriter) { … }

TEST_F(RingBufferTest, BasicWrite) { … }

TEST_F(RingBufferTest, BasicRead) { … }

TEST_F(RingBufferTest, ExtendDataRange) { … }

TEST_F(RingBufferTest, BoundaryChecks) { … }

TEST_F(RingBufferTest, Serialization) { … }

}  // namespace
}  // namespace mojo::core::ipcz_driver