chromium/base/types/supports_ostream_operator_unittest.cc

// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/types/supports_ostream_operator.h"

#include <stdint.h>

#include <ostream>
#include <string>

namespace base {
namespace {

enum SimpleEnum { … };
enum EnumWithExplicitType : uint64_t { … };
enum class ScopedEnum { … };
enum class ScopedEnumWithOperator { … };
std::ostream& operator<<(std::ostream& os, ScopedEnumWithOperator v) { … }
struct SimpleStruct { … };
struct StructWithOperator { … };
std::ostream& operator<<(std::ostream& os, const StructWithOperator& v) { … }

// A few standard types that definitely support printing.
static_assert …;
static_assert …;
static_assert …;

// Various kinds of enums operator<< support.
static_assert …;
static_assert …;
static_assert …;
static_assert …;
static_assert …;
static_assert …;
static_assert …;
static_assert …;

// operator<< support on structs.
static_assert …;
static_assert …;
static_assert …;
static_assert …;

}  // namespace
}  // namespace base