pw_bluetooth_sapphire/lib/cpp-type/to_std_array_test.cc

// Copyright 2023 The Pigweed Authors
//
// 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
//
//     https://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 <cpp-type/to_std_array.h>

#include <type_traits>

#include "pw_unit_test/framework.h"

namespace bt_lib_cpp_type {
namespace {

TEST(TypeTest, ToStdArray) {
  struct Foo;
  static_assert(std::is_same_v<Foo, ToStdArrayT<Foo>>);
  static_assert(std::is_same_v<int, ToStdArrayT<int>>);
  static_assert(std::is_same_v<std::array<int, 0>, ToStdArrayT<int[]>>);
  static_assert(std::is_same_v<std::array<int, 2>, ToStdArrayT<int[2]>>);
  static_assert(std::is_same_v<std::array<int*, 2>, ToStdArrayT<int* [2]>>);
  static_assert(std::is_same_v<std::array<std::array<int, 3>, 2>,
                               ToStdArrayT<int[2][3]>>);

  constexpr const char kStr[] = "foo";
  static_assert(std::is_same_v<std::array<const char, sizeof(kStr)>,
                               ToStdArrayT<decltype(kStr)>>);
}

}  // namespace
}  // namespace bt_lib_cpp_type