unordered_map_members_test.h

Enable keyboard shortcuts

// Copyright 2019 The Abseil 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.

#ifndef ABSL_CONTAINER_INTERNAL_UNORDERED_MAP_MEMBERS_TEST_H_

#define ABSL_CONTAINER_INTERNAL_UNORDERED_MAP_MEMBERS_TEST_H_

#include <type_traits>

#include "gmock/gmock.h"

#include "gtest/gtest.h"

#include "absl/meta/type_traits.h"

namespace absl {

ABSL_NAMESPACE_BEGIN

namespace container_internal {

template <class UnordMap>

class MembersTest : public ::testing::Test {};

TYPED_TEST_SUITE_P(MembersTest);

template <typename T>

void UseType() {}

TYPED_TEST_P(MembersTest, Typedefs) {

  EXPECT_TRUE((std::is_same<std::pair<const typename TypeParam::key_type,

                                      typename TypeParam::mapped_type>,

                            typename TypeParam::value_type>()));

  EXPECT_TRUE((absl::conjunction<

               absl::negation<std::is_signed<typename TypeParam::size_type>>,

               std::is_integral<typename TypeParam::size_type>>()));

  EXPECT_TRUE((absl::conjunction<

               std::is_signed<typename TypeParam::difference_type>,

               std::is_integral<typename TypeParam::difference_type>>()));

  EXPECT_TRUE((std::is_convertible<

               decltype(std::declval<const typename TypeParam::hasher&>()(

                   std::declval<const typename TypeParam::key_type&>())),

               size_t>()));

  EXPECT_TRUE((std::is_convertible<

               decltype(std::declval<const typename TypeParam::key_equal&>()(

                   std::declval<const typename TypeParam::key_type&>(),

                   std::declval<const typename TypeParam::key_type&>())),

               bool>()));

  EXPECT_TRUE((std::is_same<typename TypeParam::allocator_type::value_type,

                            typename TypeParam::value_type>()));

  EXPECT_TRUE((std::is_same<typename TypeParam::value_type&,

                            typename TypeParam::reference>()));

  EXPECT_TRUE((std::is_same<const typename TypeParam::value_type&,

                            typename TypeParam::const_reference>()));

  EXPECT_TRUE((std::is_same<typename std::allocator_traits<

                                typename TypeParam::allocator_type>::pointer,

                            typename TypeParam::pointer>()));

  EXPECT_TRUE(

      (std::is_same<typename std::allocator_traits<

                        typename TypeParam::allocator_type>::const_pointer,

                    typename TypeParam::const_pointer>()));

TYPED_TEST_P(MembersTest, SimpleFunctions) {

  EXPECT_GT(TypeParam().max_size(), 0);

TYPED_TEST_P(MembersTest, BeginEnd) {

  TypeParam t = {typename TypeParam::value_type{}};

  EXPECT_EQ(t.begin(), t.cbegin());

  EXPECT_EQ(t.end(), t.cend());

  EXPECT_NE(t.begin(), t.end());

  EXPECT_NE(t.cbegin(), t.cend());

REGISTER_TYPED_TEST_SUITE_P(MembersTest, Typedefs, SimpleFunctions, BeginEnd);

}  // namespace container_internal

ABSL_NAMESPACE_END

}  // namespace absl

#endif  // ABSL_CONTAINER_INTERNAL_UNORDERED_MAP_MEMBERS_TEST_H_