unordered_map_members_test.h (3505B)
1 // Copyright 2019 The Abseil Authors. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef ABSL_CONTAINER_INTERNAL_UNORDERED_MAP_MEMBERS_TEST_H_ 16 #define ABSL_CONTAINER_INTERNAL_UNORDERED_MAP_MEMBERS_TEST_H_ 17 18 #include <type_traits> 19 #include "gmock/gmock.h" 20 #include "gtest/gtest.h" 21 #include "absl/meta/type_traits.h" 22 23 namespace absl { 24 ABSL_NAMESPACE_BEGIN 25 namespace container_internal { 26 27 template <class UnordMap> 28 class MembersTest : public ::testing::Test {}; 29 30 TYPED_TEST_SUITE_P(MembersTest); 31 32 template <typename T> 33 void UseType() {} 34 35 TYPED_TEST_P(MembersTest, Typedefs) { 36 EXPECT_TRUE((std::is_same<std::pair<const typename TypeParam::key_type, 37 typename TypeParam::mapped_type>, 38 typename TypeParam::value_type>())); 39 EXPECT_TRUE((absl::conjunction< 40 absl::negation<std::is_signed<typename TypeParam::size_type>>, 41 std::is_integral<typename TypeParam::size_type>>())); 42 EXPECT_TRUE((absl::conjunction< 43 std::is_signed<typename TypeParam::difference_type>, 44 std::is_integral<typename TypeParam::difference_type>>())); 45 EXPECT_TRUE((std::is_convertible< 46 decltype(std::declval<const typename TypeParam::hasher&>()( 47 std::declval<const typename TypeParam::key_type&>())), 48 size_t>())); 49 EXPECT_TRUE((std::is_convertible< 50 decltype(std::declval<const typename TypeParam::key_equal&>()( 51 std::declval<const typename TypeParam::key_type&>(), 52 std::declval<const typename TypeParam::key_type&>())), 53 bool>())); 54 EXPECT_TRUE((std::is_same<typename TypeParam::allocator_type::value_type, 55 typename TypeParam::value_type>())); 56 EXPECT_TRUE((std::is_same<typename TypeParam::value_type&, 57 typename TypeParam::reference>())); 58 EXPECT_TRUE((std::is_same<const typename TypeParam::value_type&, 59 typename TypeParam::const_reference>())); 60 EXPECT_TRUE((std::is_same<typename std::allocator_traits< 61 typename TypeParam::allocator_type>::pointer, 62 typename TypeParam::pointer>())); 63 EXPECT_TRUE( 64 (std::is_same<typename std::allocator_traits< 65 typename TypeParam::allocator_type>::const_pointer, 66 typename TypeParam::const_pointer>())); 67 } 68 69 TYPED_TEST_P(MembersTest, SimpleFunctions) { 70 EXPECT_GT(TypeParam().max_size(), 0); 71 } 72 73 TYPED_TEST_P(MembersTest, BeginEnd) { 74 TypeParam t = {typename TypeParam::value_type{}}; 75 EXPECT_EQ(t.begin(), t.cbegin()); 76 EXPECT_EQ(t.end(), t.cend()); 77 EXPECT_NE(t.begin(), t.end()); 78 EXPECT_NE(t.cbegin(), t.cend()); 79 } 80 81 REGISTER_TYPED_TEST_SUITE_P(MembersTest, Typedefs, SimpleFunctions, BeginEnd); 82 83 } // namespace container_internal 84 ABSL_NAMESPACE_END 85 } // namespace absl 86 87 #endif // ABSL_CONTAINER_INTERNAL_UNORDERED_MAP_MEMBERS_TEST_H_