blob: eb4b93643ec1f0f6ff2771ffc29944ab9b9bb7bd [file] [log] [blame]
// Copyright 2018 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <memory>
#include <string>
#include <base/files/scoped_file.h>
#include <mojo/public/cpp/system/handle.h>
namespace diagnostics {
// Helper class that allows to obtain fake file descriptors for use in tests
// where a valid file descriptor is expected.
class FakeMojoFdGenerator final {
FakeMojoFdGenerator(const FakeMojoFdGenerator&) = delete;
FakeMojoFdGenerator& operator=(const FakeMojoFdGenerator&) = delete;
// Returns a duplicate of the file descriptor held by this instance.
base::ScopedFD MakeFd() const;
// Returns whether the given file descriptor points to the same underlying
// object as the file descriptor held by this instance.
bool IsDuplicateFd(int another_fd) const;
base::ScopedFD fd_;
// Gets a content of a passed mojo::Handle.
// Makes an unnecessary copying of data, should be used only for testing.
// Returns an empty string if |handle| is not valid.
std::string GetStringFromMojoHandle(mojo::ScopedHandle handle);
} // namespace diagnostics