diff options
-rw-r--r-- | absl/base/config.h | 12 | ||||
-rw-r--r-- | absl/container/BUILD.bazel | 34 | ||||
-rw-r--r-- | absl/container/CMakeLists.txt | 36 | ||||
-rw-r--r-- | absl/container/flat_hash_map_test.cc | 6 | ||||
-rw-r--r-- | absl/container/flat_hash_set_test.cc | 2 | ||||
-rw-r--r-- | absl/container/internal/unordered_map_constructor_test.h | 140 | ||||
-rw-r--r-- | absl/container/internal/unordered_map_members_test.h | 85 | ||||
-rw-r--r-- | absl/container/internal/unordered_map_test.cc | 2 | ||||
-rw-r--r-- | absl/container/internal/unordered_set_constructor_test.h | 147 | ||||
-rw-r--r-- | absl/container/internal/unordered_set_members_test.h | 84 | ||||
-rw-r--r-- | absl/container/internal/unordered_set_test.cc | 2 | ||||
-rw-r--r-- | absl/container/node_hash_map_test.cc | 2 | ||||
-rw-r--r-- | absl/container/node_hash_set_test.cc | 4 | ||||
-rw-r--r-- | absl/strings/str_cat.h | 4 |
14 files changed, 482 insertions, 78 deletions
diff --git a/absl/base/config.h b/absl/base/config.h index eb0d79df..e2ef5e4c 100644 --- a/absl/base/config.h +++ b/absl/base/config.h @@ -371,10 +371,10 @@ // https://developer.apple.com/documentation/xcode_release_notes/xcode_10_release_notes #if defined(__APPLE__) && defined(_LIBCPP_VERSION) && \ defined(__MAC_OS_X_VERSION_MIN_REQUIRED__) && \ - __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 101400 -#define ABSL_INTERNAL_MACOS_HAS_CXX_17_TYPES 1 + __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 101400 +#define ABSL_INTERNAL_MACOS_CXX17_TYPES_UNAVAILABLE 1 #else -#define ABSL_INTERNAL_MACOS_HAS_CXX_17_TYPES 0 +#define ABSL_INTERNAL_MACOS_CXX17_TYPES_UNAVAILABLE 0 #endif // ABSL_HAVE_STD_ANY @@ -386,7 +386,7 @@ #ifdef __has_include #if __has_include(<any>) && __cplusplus >= 201703L && \ - ABSL_INTERNAL_MACOS_HAS_CXX_17_TYPES + !ABSL_INTERNAL_MACOS_CXX17_TYPES_UNAVAILABLE #define ABSL_HAVE_STD_ANY 1 #endif #endif @@ -400,7 +400,7 @@ #ifdef __has_include #if __has_include(<optional>) && __cplusplus >= 201703L && \ - ABSL_INTERNAL_MACOS_HAS_CXX_17_TYPES + !ABSL_INTERNAL_MACOS_CXX17_TYPES_UNAVAILABLE #define ABSL_HAVE_STD_OPTIONAL 1 #endif #endif @@ -414,7 +414,7 @@ #ifdef __has_include #if __has_include(<variant>) && __cplusplus >= 201703L && \ - ABSL_INTERNAL_MACOS_HAS_CXX_17_TYPES + !ABSL_INTERNAL_MACOS_CXX17_TYPES_UNAVAILABLE #define ABSL_HAVE_STD_VARIANT 1 #endif #endif diff --git a/absl/container/BUILD.bazel b/absl/container/BUILD.bazel index 91013e04..04b4f9af 100644 --- a/absl/container/BUILD.bazel +++ b/absl/container/BUILD.bazel @@ -232,13 +232,14 @@ cc_library( cc_test( name = "flat_hash_map_test", srcs = ["flat_hash_map_test.cc"], - copts = ABSL_TEST_COPTS + ["-DUNORDERED_MAP_CXX17"], + copts = ABSL_TEST_COPTS, tags = NOTEST_TAGS_NONMOBILE, deps = [ ":flat_hash_map", ":hash_generator_testing", ":unordered_map_constructor_test", ":unordered_map_lookup_test", + ":unordered_map_members_test", ":unordered_map_modifiers_test", "//absl/types:any", "@com_google_googletest//:gtest_main", @@ -269,6 +270,7 @@ cc_test( ":hash_generator_testing", ":unordered_set_constructor_test", ":unordered_set_lookup_test", + ":unordered_set_members_test", ":unordered_set_modifiers_test", "//absl/memory", "//absl/strings", @@ -293,7 +295,7 @@ cc_library( cc_test( name = "node_hash_map_test", srcs = ["node_hash_map_test.cc"], - copts = ABSL_TEST_COPTS + ["-DUNORDERED_MAP_CXX17"], + copts = ABSL_TEST_COPTS, tags = NOTEST_TAGS_NONMOBILE, deps = [ ":hash_generator_testing", @@ -301,6 +303,7 @@ cc_test( ":tracked", ":unordered_map_constructor_test", ":unordered_map_lookup_test", + ":unordered_map_members_test", ":unordered_map_modifiers_test", "@com_google_googletest//:gtest_main", ], @@ -325,10 +328,10 @@ cc_test( copts = ABSL_TEST_COPTS + ["-DUNORDERED_SET_CXX17"], tags = NOTEST_TAGS_NONMOBILE, deps = [ - ":hash_generator_testing", ":node_hash_set", ":unordered_set_constructor_test", ":unordered_set_lookup_test", + ":unordered_set_members_test", ":unordered_set_modifiers_test", "@com_google_googletest//:gtest_main", ], @@ -659,6 +662,29 @@ cc_library( deps = [ ":hash_generator_testing", ":hash_policy_testing", + "//absl/meta:type_traits", + "@com_google_googletest//:gtest", + ], +) + +cc_library( + name = "unordered_set_members_test", + testonly = 1, + hdrs = ["internal/unordered_set_members_test.h"], + copts = ABSL_TEST_COPTS, + deps = [ + "//absl/meta:type_traits", + "@com_google_googletest//:gtest", + ], +) + +cc_library( + name = "unordered_map_members_test", + testonly = 1, + hdrs = ["internal/unordered_map_members_test.h"], + copts = ABSL_TEST_COPTS, + deps = [ + "//absl/meta:type_traits", "@com_google_googletest//:gtest", ], ) @@ -695,6 +721,7 @@ cc_test( deps = [ ":unordered_set_constructor_test", ":unordered_set_lookup_test", + ":unordered_set_members_test", ":unordered_set_modifiers_test", "@com_google_googletest//:gtest_main", ], @@ -708,6 +735,7 @@ cc_test( deps = [ ":unordered_map_constructor_test", ":unordered_map_lookup_test", + ":unordered_map_members_test", ":unordered_map_modifiers_test", "@com_google_googletest//:gtest_main", ], diff --git a/absl/container/CMakeLists.txt b/absl/container/CMakeLists.txt index c6053d74..56ea4294 100644 --- a/absl/container/CMakeLists.txt +++ b/absl/container/CMakeLists.txt @@ -213,13 +213,12 @@ absl_cc_test( flat_hash_map_test SRCS "flat_hash_map_test.cc" - COPTS - "-DUNORDERED_MAP_CXX17" DEPS absl::flat_hash_map absl::hash_generator_testing absl::unordered_map_constructor_test absl::unordered_map_lookup_test + absl::unordered_map_members_test absl::unordered_map_modifiers_test absl::any gmock_main @@ -254,6 +253,7 @@ absl_cc_test( absl::hash_generator_testing absl::unordered_set_constructor_test absl::unordered_set_lookup_test + absl::unordered_set_members_test absl::unordered_set_modifiers_test absl::memory absl::strings @@ -282,14 +282,13 @@ absl_cc_test( node_hash_map_test SRCS "node_hash_map_test.cc" - COPTS - "-DUNORDERED_MAP_CXX17" DEPS absl::hash_generator_testing absl::node_hash_map absl::tracked absl::unordered_map_constructor_test absl::unordered_map_lookup_test + absl::unordered_map_members_test absl::unordered_map_modifiers_test gmock_main ) @@ -322,6 +321,7 @@ absl_cc_test( absl::node_hash_set absl::unordered_set_constructor_test absl::unordered_set_lookup_test + absl::unordered_set_members_test absl::unordered_set_modifiers_test gmock_main ) @@ -666,6 +666,19 @@ absl_cc_library( absl_cc_library( NAME + unordered_map_members_test + HDRS + "internal/unordered_map_members_test.h" + COPTS + ${ABSL_TEST_COPTS} + DEPS + absl::type_traits + gmock + TESTONLY +) + +absl_cc_library( + NAME unordered_map_modifiers_test HDRS "internal/unordered_map_modifiers_test.h" @@ -708,6 +721,19 @@ absl_cc_library( absl_cc_library( NAME + unordered_set_members_test + HDRS + "internal/unordered_set_members_test.h" + COPTS + ${ABSL_TEST_COPTS} + DEPS + absl::type_traits + gmock + TESTONLY +) + +absl_cc_library( + NAME unordered_set_modifiers_test HDRS "internal/unordered_set_modifiers_test.h" @@ -728,6 +754,7 @@ absl_cc_test( DEPS absl::unordered_set_constructor_test absl::unordered_set_lookup_test + absl::unordered_set_members_test absl::unordered_set_modifiers_test gmock_main ) @@ -740,6 +767,7 @@ absl_cc_test( DEPS absl::unordered_map_constructor_test absl::unordered_map_lookup_test + absl::unordered_map_members_test absl::unordered_map_modifiers_test gmock_main ) diff --git a/absl/container/flat_hash_map_test.cc b/absl/container/flat_hash_map_test.cc index ccc055f7..84ec9d56 100644 --- a/absl/container/flat_hash_map_test.cc +++ b/absl/container/flat_hash_map_test.cc @@ -17,6 +17,7 @@ #include "absl/container/internal/hash_generator_testing.h" #include "absl/container/internal/unordered_map_constructor_test.h" #include "absl/container/internal/unordered_map_lookup_test.h" +#include "absl/container/internal/unordered_map_members_test.h" #include "absl/container/internal/unordered_map_modifiers_test.h" #include "absl/types/any.h" @@ -30,8 +31,8 @@ using ::testing::Pair; using ::testing::UnorderedElementsAre; template <class K, class V> -using Map = - flat_hash_map<K, V, StatefulTestingHash, StatefulTestingEqual, Alloc<>>; +using Map = flat_hash_map<K, V, StatefulTestingHash, StatefulTestingEqual, + Alloc<std::pair<const K, V>>>; static_assert(!std::is_standard_layout<NonStandardLayout>(), ""); @@ -42,6 +43,7 @@ using MapTypes = INSTANTIATE_TYPED_TEST_SUITE_P(FlatHashMap, ConstructorTest, MapTypes); INSTANTIATE_TYPED_TEST_SUITE_P(FlatHashMap, LookupTest, MapTypes); +INSTANTIATE_TYPED_TEST_SUITE_P(FlatHashMap, MembersTest, MapTypes); INSTANTIATE_TYPED_TEST_SUITE_P(FlatHashMap, ModifiersTest, MapTypes); TEST(FlatHashMap, StandardLayout) { diff --git a/absl/container/flat_hash_set_test.cc b/absl/container/flat_hash_set_test.cc index afbe7748..ae159a24 100644 --- a/absl/container/flat_hash_set_test.cc +++ b/absl/container/flat_hash_set_test.cc @@ -19,6 +19,7 @@ #include "absl/container/internal/hash_generator_testing.h" #include "absl/container/internal/unordered_set_constructor_test.h" #include "absl/container/internal/unordered_set_lookup_test.h" +#include "absl/container/internal/unordered_set_members_test.h" #include "absl/container/internal/unordered_set_modifiers_test.h" #include "absl/memory/memory.h" #include "absl/strings/string_view.h" @@ -42,6 +43,7 @@ using SetTypes = INSTANTIATE_TYPED_TEST_SUITE_P(FlatHashSet, ConstructorTest, SetTypes); INSTANTIATE_TYPED_TEST_SUITE_P(FlatHashSet, LookupTest, SetTypes); +INSTANTIATE_TYPED_TEST_SUITE_P(FlatHashSet, MembersTest, SetTypes); INSTANTIATE_TYPED_TEST_SUITE_P(FlatHashSet, ModifiersTest, SetTypes); TEST(FlatHashSet, EmplaceString) { diff --git a/absl/container/internal/unordered_map_constructor_test.h b/absl/container/internal/unordered_map_constructor_test.h index e70c191a..837d2317 100644 --- a/absl/container/internal/unordered_map_constructor_test.h +++ b/absl/container/internal/unordered_map_constructor_test.h @@ -83,8 +83,28 @@ TYPED_TEST_P(ConstructorTest, BucketCountHashEqualAlloc) { EXPECT_GE(m.bucket_count(), 123); } -TYPED_TEST_P(ConstructorTest, BucketCountAlloc) { +template <typename T> +struct is_std_unordered_map : std::false_type {}; + +template <typename... T> +struct is_std_unordered_map<std::unordered_map<T...>> : std::true_type {}; + #if defined(UNORDERED_MAP_CXX14) || defined(UNORDERED_MAP_CXX17) +using has_cxx14_std_apis = std::true_type; +#else +using has_cxx14_std_apis = std::false_type; +#endif + +template <typename T> +using expect_cxx14_apis = + absl::disjunction<absl::negation<is_std_unordered_map<T>>, + has_cxx14_std_apis>; + +template <typename TypeParam> +void BucketCountAllocTest(std::false_type) {} + +template <typename TypeParam> +void BucketCountAllocTest(std::true_type) { using A = typename TypeParam::allocator_type; A alloc(0); TypeParam m(123, alloc); @@ -92,11 +112,17 @@ TYPED_TEST_P(ConstructorTest, BucketCountAlloc) { EXPECT_TRUE(m.empty()); EXPECT_THAT(m, ::testing::UnorderedElementsAre()); EXPECT_GE(m.bucket_count(), 123); -#endif } -TYPED_TEST_P(ConstructorTest, BucketCountHashAlloc) { -#if defined(UNORDERED_MAP_CXX14) || defined(UNORDERED_MAP_CXX17) +TYPED_TEST_P(ConstructorTest, BucketCountAlloc) { + BucketCountAllocTest<TypeParam>(expect_cxx14_apis<TypeParam>()); +} + +template <typename TypeParam> +void BucketCountHashAllocTest(std::false_type) {} + +template <typename TypeParam> +void BucketCountHashAllocTest(std::true_type) { using H = typename TypeParam::hasher; using A = typename TypeParam::allocator_type; H hasher; @@ -107,18 +133,38 @@ TYPED_TEST_P(ConstructorTest, BucketCountHashAlloc) { EXPECT_TRUE(m.empty()); EXPECT_THAT(m, ::testing::UnorderedElementsAre()); EXPECT_GE(m.bucket_count(), 123); -#endif } -TYPED_TEST_P(ConstructorTest, BucketAlloc) { +TYPED_TEST_P(ConstructorTest, BucketCountHashAlloc) { + BucketCountHashAllocTest<TypeParam>(expect_cxx14_apis<TypeParam>()); +} + #if ABSL_UNORDERED_SUPPORTS_ALLOC_CTORS +using has_alloc_std_constructors = std::true_type; +#else +using has_alloc_std_constructors = std::false_type; +#endif + +template <typename T> +using expect_alloc_constructors = + absl::disjunction<absl::negation<is_std_unordered_map<T>>, + has_alloc_std_constructors>; + +template <typename TypeParam> +void AllocTest(std::false_type) {} + +template <typename TypeParam> +void AllocTest(std::true_type) { using A = typename TypeParam::allocator_type; A alloc(0); TypeParam m(alloc); EXPECT_EQ(m.get_allocator(), alloc); EXPECT_TRUE(m.empty()); EXPECT_THAT(m, ::testing::UnorderedElementsAre()); -#endif +} + +TYPED_TEST_P(ConstructorTest, Alloc) { + AllocTest<TypeParam>(expect_alloc_constructors<TypeParam>()); } TYPED_TEST_P(ConstructorTest, InputIteratorBucketHashEqualAlloc) { @@ -140,8 +186,11 @@ TYPED_TEST_P(ConstructorTest, InputIteratorBucketHashEqualAlloc) { EXPECT_GE(m.bucket_count(), 123); } -TYPED_TEST_P(ConstructorTest, InputIteratorBucketAlloc) { -#if defined(UNORDERED_MAP_CXX14) || defined(UNORDERED_MAP_CXX17) +template <typename TypeParam> +void InputIteratorBucketAllocTest(std::false_type) {} + +template <typename TypeParam> +void InputIteratorBucketAllocTest(std::true_type) { using T = hash_internal::GeneratedType<TypeParam>; using A = typename TypeParam::allocator_type; A alloc(0); @@ -152,11 +201,17 @@ TYPED_TEST_P(ConstructorTest, InputIteratorBucketAlloc) { EXPECT_EQ(m.get_allocator(), alloc); EXPECT_THAT(items(m), ::testing::UnorderedElementsAreArray(values)); EXPECT_GE(m.bucket_count(), 123); -#endif } -TYPED_TEST_P(ConstructorTest, InputIteratorBucketHashAlloc) { -#if defined(UNORDERED_MAP_CXX14) || defined(UNORDERED_MAP_CXX17) +TYPED_TEST_P(ConstructorTest, InputIteratorBucketAlloc) { + InputIteratorBucketAllocTest<TypeParam>(expect_cxx14_apis<TypeParam>()); +} + +template <typename TypeParam> +void InputIteratorBucketHashAllocTest(std::false_type) {} + +template <typename TypeParam> +void InputIteratorBucketHashAllocTest(std::true_type) { using T = hash_internal::GeneratedType<TypeParam>; using H = typename TypeParam::hasher; using A = typename TypeParam::allocator_type; @@ -170,7 +225,10 @@ TYPED_TEST_P(ConstructorTest, InputIteratorBucketHashAlloc) { EXPECT_EQ(m.get_allocator(), alloc); EXPECT_THAT(items(m), ::testing::UnorderedElementsAreArray(values)); EXPECT_GE(m.bucket_count(), 123); -#endif +} + +TYPED_TEST_P(ConstructorTest, InputIteratorBucketHashAlloc) { + InputIteratorBucketHashAllocTest<TypeParam>(expect_cxx14_apis<TypeParam>()); } TYPED_TEST_P(ConstructorTest, CopyConstructor) { @@ -190,8 +248,11 @@ TYPED_TEST_P(ConstructorTest, CopyConstructor) { EXPECT_EQ(m, n); } -TYPED_TEST_P(ConstructorTest, CopyConstructorAlloc) { -#if ABSL_UNORDERED_SUPPORTS_ALLOC_CTORS +template <typename TypeParam> +void CopyConstructorAllocTest(std::false_type) {} + +template <typename TypeParam> +void CopyConstructorAllocTest(std::true_type) { using T = hash_internal::GeneratedType<TypeParam>; using H = typename TypeParam::hasher; using E = typename TypeParam::key_equal; @@ -206,7 +267,10 @@ TYPED_TEST_P(ConstructorTest, CopyConstructorAlloc) { EXPECT_EQ(m.key_eq(), n.key_eq()); EXPECT_NE(m.get_allocator(), n.get_allocator()); EXPECT_EQ(m, n); -#endif +} + +TYPED_TEST_P(ConstructorTest, CopyConstructorAlloc) { + CopyConstructorAllocTest<TypeParam>(expect_alloc_constructors<TypeParam>()); } // TODO(alkis): Test non-propagating allocators on copy constructors. @@ -229,8 +293,11 @@ TYPED_TEST_P(ConstructorTest, MoveConstructor) { EXPECT_EQ(m, n); } -TYPED_TEST_P(ConstructorTest, MoveConstructorAlloc) { -#if ABSL_UNORDERED_SUPPORTS_ALLOC_CTORS +template <typename TypeParam> +void MoveConstructorAllocTest(std::false_type) {} + +template <typename TypeParam> +void MoveConstructorAllocTest(std::true_type) { using T = hash_internal::GeneratedType<TypeParam>; using H = typename TypeParam::hasher; using E = typename TypeParam::key_equal; @@ -246,7 +313,10 @@ TYPED_TEST_P(ConstructorTest, MoveConstructorAlloc) { EXPECT_EQ(m.key_eq(), n.key_eq()); EXPECT_NE(m.get_allocator(), n.get_allocator()); EXPECT_EQ(m, n); -#endif +} + +TYPED_TEST_P(ConstructorTest, MoveConstructorAlloc) { + MoveConstructorAllocTest<TypeParam>(expect_alloc_constructors<TypeParam>()); } // TODO(alkis): Test non-propagating allocators on move constructors. @@ -269,8 +339,11 @@ TYPED_TEST_P(ConstructorTest, InitializerListBucketHashEqualAlloc) { EXPECT_GE(m.bucket_count(), 123); } -TYPED_TEST_P(ConstructorTest, InitializerListBucketAlloc) { -#if defined(UNORDERED_MAP_CXX14) || defined(UNORDERED_MAP_CXX17) +template <typename TypeParam> +void InitializerListBucketAllocTest(std::false_type) {} + +template <typename TypeParam> +void InitializerListBucketAllocTest(std::true_type) { using T = hash_internal::GeneratedType<TypeParam>; using A = typename TypeParam::allocator_type; hash_internal::Generator<T> gen; @@ -280,11 +353,17 @@ TYPED_TEST_P(ConstructorTest, InitializerListBucketAlloc) { EXPECT_EQ(m.get_allocator(), alloc); EXPECT_THAT(items(m), ::testing::UnorderedElementsAreArray(values)); EXPECT_GE(m.bucket_count(), 123); -#endif } -TYPED_TEST_P(ConstructorTest, InitializerListBucketHashAlloc) { -#if defined(UNORDERED_MAP_CXX14) || defined(UNORDERED_MAP_CXX17) +TYPED_TEST_P(ConstructorTest, InitializerListBucketAlloc) { + InitializerListBucketAllocTest<TypeParam>(expect_cxx14_apis<TypeParam>()); +} + +template <typename TypeParam> +void InitializerListBucketHashAllocTest(std::false_type) {} + +template <typename TypeParam> +void InitializerListBucketHashAllocTest(std::true_type) { using T = hash_internal::GeneratedType<TypeParam>; using H = typename TypeParam::hasher; using A = typename TypeParam::allocator_type; @@ -297,7 +376,10 @@ TYPED_TEST_P(ConstructorTest, InitializerListBucketHashAlloc) { EXPECT_EQ(m.get_allocator(), alloc); EXPECT_THAT(items(m), ::testing::UnorderedElementsAreArray(values)); EXPECT_GE(m.bucket_count(), 123); -#endif +} + +TYPED_TEST_P(ConstructorTest, InitializerListBucketHashAlloc) { + InitializerListBucketHashAllocTest<TypeParam>(expect_cxx14_apis<TypeParam>()); } TYPED_TEST_P(ConstructorTest, Assignment) { @@ -390,13 +472,13 @@ TYPED_TEST_P(ConstructorTest, AssignmentOnSelf) { REGISTER_TYPED_TEST_CASE_P( ConstructorTest, NoArgs, BucketCount, BucketCountHash, BucketCountHashEqual, - BucketCountHashEqualAlloc, BucketCountAlloc, BucketCountHashAlloc, - BucketAlloc, InputIteratorBucketHashEqualAlloc, InputIteratorBucketAlloc, + BucketCountHashEqualAlloc, BucketCountAlloc, BucketCountHashAlloc, Alloc, + InputIteratorBucketHashEqualAlloc, InputIteratorBucketAlloc, InputIteratorBucketHashAlloc, CopyConstructor, CopyConstructorAlloc, MoveConstructor, MoveConstructorAlloc, InitializerListBucketHashEqualAlloc, InitializerListBucketAlloc, InitializerListBucketHashAlloc, Assignment, - MoveAssignment, AssignmentFromInitializerList, - AssignmentOverwritesExisting, MoveAssignmentOverwritesExisting, + MoveAssignment, AssignmentFromInitializerList, AssignmentOverwritesExisting, + MoveAssignmentOverwritesExisting, AssignmentFromInitializerListOverwritesExisting, AssignmentOnSelf); } // namespace container_internal diff --git a/absl/container/internal/unordered_map_members_test.h b/absl/container/internal/unordered_map_members_test.h new file mode 100644 index 00000000..5c9a799c --- /dev/null +++ b/absl/container/internal/unordered_map_members_test.h @@ -0,0 +1,85 @@ +// 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 +// +// http://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 { +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 +} // namespace absl + +#endif // ABSL_CONTAINER_INTERNAL_UNORDERED_MAP_MEMBERS_TEST_H_ diff --git a/absl/container/internal/unordered_map_test.cc b/absl/container/internal/unordered_map_test.cc index 2752cb76..32ab48d0 100644 --- a/absl/container/internal/unordered_map_test.cc +++ b/absl/container/internal/unordered_map_test.cc @@ -16,6 +16,7 @@ #include "absl/container/internal/unordered_map_constructor_test.h" #include "absl/container/internal/unordered_map_lookup_test.h" +#include "absl/container/internal/unordered_map_members_test.h" #include "absl/container/internal/unordered_map_modifiers_test.h" namespace absl { @@ -31,6 +32,7 @@ using MapTypes = ::testing::Types< INSTANTIATE_TYPED_TEST_SUITE_P(UnorderedMap, ConstructorTest, MapTypes); INSTANTIATE_TYPED_TEST_SUITE_P(UnorderedMap, LookupTest, MapTypes); +INSTANTIATE_TYPED_TEST_SUITE_P(UnorderedMap, MembersTest, MapTypes); INSTANTIATE_TYPED_TEST_SUITE_P(UnorderedMap, ModifiersTest, MapTypes); } // namespace diff --git a/absl/container/internal/unordered_set_constructor_test.h b/absl/container/internal/unordered_set_constructor_test.h index 8997046a..533a6217 100644 --- a/absl/container/internal/unordered_set_constructor_test.h +++ b/absl/container/internal/unordered_set_constructor_test.h @@ -16,12 +16,14 @@ #define ABSL_CONTAINER_INTERNAL_UNORDERED_SET_CONSTRUCTOR_TEST_H_ #include <algorithm> +#include <unordered_set> #include <vector> #include "gmock/gmock.h" #include "gtest/gtest.h" #include "absl/container/internal/hash_generator_testing.h" #include "absl/container/internal/hash_policy_testing.h" +#include "absl/meta/type_traits.h" namespace absl { namespace container_internal { @@ -91,8 +93,28 @@ TYPED_TEST_P(ConstructorTest, BucketCountHashEqualAlloc) { EXPECT_GE(cm.bucket_count(), 123); } -TYPED_TEST_P(ConstructorTest, BucketCountAlloc) { +template <typename T> +struct is_std_unordered_set : std::false_type {}; + +template <typename... T> +struct is_std_unordered_set<std::unordered_set<T...>> : std::true_type {}; + #if defined(UNORDERED_SET_CXX14) || defined(UNORDERED_SET_CXX17) +using has_cxx14_std_apis = std::true_type; +#else +using has_cxx14_std_apis = std::false_type; +#endif + +template <typename T> +using expect_cxx14_apis = + absl::disjunction<absl::negation<is_std_unordered_set<T>>, + has_cxx14_std_apis>; + +template <typename TypeParam> +void BucketCountAllocTest(std::false_type) {} + +template <typename TypeParam> +void BucketCountAllocTest(std::true_type) { using A = typename TypeParam::allocator_type; A alloc(0); TypeParam m(123, alloc); @@ -100,11 +122,17 @@ TYPED_TEST_P(ConstructorTest, BucketCountAlloc) { EXPECT_TRUE(m.empty()); EXPECT_THAT(keys(m), ::testing::UnorderedElementsAre()); EXPECT_GE(m.bucket_count(), 123); -#endif } -TYPED_TEST_P(ConstructorTest, BucketCountHashAlloc) { -#if defined(UNORDERED_SET_CXX14) || defined(UNORDERED_SET_CXX17) +TYPED_TEST_P(ConstructorTest, BucketCountAlloc) { + BucketCountAllocTest<TypeParam>(expect_cxx14_apis<TypeParam>()); +} + +template <typename TypeParam> +void BucketCountHashAllocTest(std::false_type) {} + +template <typename TypeParam> +void BucketCountHashAllocTest(std::true_type) { using H = typename TypeParam::hasher; using A = typename TypeParam::allocator_type; H hasher; @@ -115,18 +143,38 @@ TYPED_TEST_P(ConstructorTest, BucketCountHashAlloc) { EXPECT_TRUE(m.empty()); EXPECT_THAT(keys(m), ::testing::UnorderedElementsAre()); EXPECT_GE(m.bucket_count(), 123); -#endif } -TYPED_TEST_P(ConstructorTest, BucketAlloc) { +TYPED_TEST_P(ConstructorTest, BucketCountHashAlloc) { + BucketCountHashAllocTest<TypeParam>(expect_cxx14_apis<TypeParam>()); +} + #if ABSL_UNORDERED_SUPPORTS_ALLOC_CTORS +using has_alloc_std_constructors = std::true_type; +#else +using has_alloc_std_constructors = std::false_type; +#endif + +template <typename T> +using expect_alloc_constructors = + absl::disjunction<absl::negation<is_std_unordered_set<T>>, + has_alloc_std_constructors>; + +template <typename TypeParam> +void AllocTest(std::false_type) {} + +template <typename TypeParam> +void AllocTest(std::true_type) { using A = typename TypeParam::allocator_type; A alloc(0); TypeParam m(alloc); EXPECT_EQ(m.get_allocator(), alloc); EXPECT_TRUE(m.empty()); EXPECT_THAT(keys(m), ::testing::UnorderedElementsAre()); -#endif +} + +TYPED_TEST_P(ConstructorTest, Alloc) { + AllocTest<TypeParam>(expect_alloc_constructors<TypeParam>()); } TYPED_TEST_P(ConstructorTest, InputIteratorBucketHashEqualAlloc) { @@ -148,8 +196,11 @@ TYPED_TEST_P(ConstructorTest, InputIteratorBucketHashEqualAlloc) { EXPECT_GE(m.bucket_count(), 123); } -TYPED_TEST_P(ConstructorTest, InputIteratorBucketAlloc) { -#if defined(UNORDERED_SET_CXX14) || defined(UNORDERED_SET_CXX17) +template <typename TypeParam> +void InputIteratorBucketAllocTest(std::false_type) {} + +template <typename TypeParam> +void InputIteratorBucketAllocTest(std::true_type) { using T = hash_internal::GeneratedType<TypeParam>; using A = typename TypeParam::allocator_type; A alloc(0); @@ -160,11 +211,17 @@ TYPED_TEST_P(ConstructorTest, InputIteratorBucketAlloc) { EXPECT_EQ(m.get_allocator(), alloc); EXPECT_THAT(keys(m), ::testing::UnorderedElementsAreArray(values)); EXPECT_GE(m.bucket_count(), 123); -#endif } -TYPED_TEST_P(ConstructorTest, InputIteratorBucketHashAlloc) { -#if defined(UNORDERED_SET_CXX14) || defined(UNORDERED_SET_CXX17) +TYPED_TEST_P(ConstructorTest, InputIteratorBucketAlloc) { + InputIteratorBucketAllocTest<TypeParam>(expect_cxx14_apis<TypeParam>()); +} + +template <typename TypeParam> +void InputIteratorBucketHashAllocTest(std::false_type) {} + +template <typename TypeParam> +void InputIteratorBucketHashAllocTest(std::true_type) { using T = hash_internal::GeneratedType<TypeParam>; using H = typename TypeParam::hasher; using A = typename TypeParam::allocator_type; @@ -178,7 +235,10 @@ TYPED_TEST_P(ConstructorTest, InputIteratorBucketHashAlloc) { EXPECT_EQ(m.get_allocator(), alloc); EXPECT_THAT(keys(m), ::testing::UnorderedElementsAreArray(values)); EXPECT_GE(m.bucket_count(), 123); -#endif +} + +TYPED_TEST_P(ConstructorTest, InputIteratorBucketHashAlloc) { + InputIteratorBucketHashAllocTest<TypeParam>(expect_cxx14_apis<TypeParam>()); } TYPED_TEST_P(ConstructorTest, CopyConstructor) { @@ -196,10 +256,14 @@ TYPED_TEST_P(ConstructorTest, CopyConstructor) { EXPECT_EQ(m.key_eq(), n.key_eq()); EXPECT_EQ(m.get_allocator(), n.get_allocator()); EXPECT_EQ(m, n); + EXPECT_NE(TypeParam(0, hasher, equal, alloc), n); } -TYPED_TEST_P(ConstructorTest, CopyConstructorAlloc) { -#if ABSL_UNORDERED_SUPPORTS_ALLOC_CTORS +template <typename TypeParam> +void CopyConstructorAllocTest(std::false_type) {} + +template <typename TypeParam> +void CopyConstructorAllocTest(std::true_type) { using T = hash_internal::GeneratedType<TypeParam>; using H = typename TypeParam::hasher; using E = typename TypeParam::key_equal; @@ -214,7 +278,10 @@ TYPED_TEST_P(ConstructorTest, CopyConstructorAlloc) { EXPECT_EQ(m.key_eq(), n.key_eq()); EXPECT_NE(m.get_allocator(), n.get_allocator()); EXPECT_EQ(m, n); -#endif +} + +TYPED_TEST_P(ConstructorTest, CopyConstructorAlloc) { + CopyConstructorAllocTest<TypeParam>(expect_alloc_constructors<TypeParam>()); } // TODO(alkis): Test non-propagating allocators on copy constructors. @@ -237,8 +304,11 @@ TYPED_TEST_P(ConstructorTest, MoveConstructor) { EXPECT_EQ(m, n); } -TYPED_TEST_P(ConstructorTest, MoveConstructorAlloc) { -#if ABSL_UNORDERED_SUPPORTS_ALLOC_CTORS +template <typename TypeParam> +void MoveConstructorAllocTest(std::false_type) {} + +template <typename TypeParam> +void MoveConstructorAllocTest(std::true_type) { using T = hash_internal::GeneratedType<TypeParam>; using H = typename TypeParam::hasher; using E = typename TypeParam::key_equal; @@ -254,7 +324,10 @@ TYPED_TEST_P(ConstructorTest, MoveConstructorAlloc) { EXPECT_EQ(m.key_eq(), n.key_eq()); EXPECT_NE(m.get_allocator(), n.get_allocator()); EXPECT_EQ(m, n); -#endif +} + +TYPED_TEST_P(ConstructorTest, MoveConstructorAlloc) { + MoveConstructorAllocTest<TypeParam>(expect_alloc_constructors<TypeParam>()); } // TODO(alkis): Test non-propagating allocators on move constructors. @@ -277,8 +350,11 @@ TYPED_TEST_P(ConstructorTest, InitializerListBucketHashEqualAlloc) { EXPECT_GE(m.bucket_count(), 123); } -TYPED_TEST_P(ConstructorTest, InitializerListBucketAlloc) { -#if defined(UNORDERED_SET_CXX14) || defined(UNORDERED_SET_CXX17) +template <typename TypeParam> +void InitializerListBucketAllocTest(std::false_type) {} + +template <typename TypeParam> +void InitializerListBucketAllocTest(std::true_type) { using T = hash_internal::GeneratedType<TypeParam>; using A = typename TypeParam::allocator_type; hash_internal::Generator<T> gen; @@ -288,11 +364,17 @@ TYPED_TEST_P(ConstructorTest, InitializerListBucketAlloc) { EXPECT_EQ(m.get_allocator(), alloc); EXPECT_THAT(keys(m), ::testing::UnorderedElementsAreArray(values)); EXPECT_GE(m.bucket_count(), 123); -#endif } -TYPED_TEST_P(ConstructorTest, InitializerListBucketHashAlloc) { -#if defined(UNORDERED_SET_CXX14) || defined(UNORDERED_SET_CXX17) +TYPED_TEST_P(ConstructorTest, InitializerListBucketAlloc) { + InitializerListBucketAllocTest<TypeParam>(expect_cxx14_apis<TypeParam>()); +} + +template <typename TypeParam> +void InitializerListBucketHashAllocTest(std::false_type) {} + +template <typename TypeParam> +void InitializerListBucketHashAllocTest(std::true_type) { using T = hash_internal::GeneratedType<TypeParam>; using H = typename TypeParam::hasher; using A = typename TypeParam::allocator_type; @@ -305,10 +387,13 @@ TYPED_TEST_P(ConstructorTest, InitializerListBucketHashAlloc) { EXPECT_EQ(m.get_allocator(), alloc); EXPECT_THAT(keys(m), ::testing::UnorderedElementsAreArray(values)); EXPECT_GE(m.bucket_count(), 123); -#endif } -TYPED_TEST_P(ConstructorTest, Assignment) { +TYPED_TEST_P(ConstructorTest, InitializerListBucketHashAlloc) { + InitializerListBucketHashAllocTest<TypeParam>(expect_cxx14_apis<TypeParam>()); +} + +TYPED_TEST_P(ConstructorTest, CopyAssignment) { using T = hash_internal::GeneratedType<TypeParam>; using H = typename TypeParam::hasher; using E = typename TypeParam::key_equal; @@ -394,13 +479,13 @@ TYPED_TEST_P(ConstructorTest, AssignmentOnSelf) { REGISTER_TYPED_TEST_CASE_P( ConstructorTest, NoArgs, BucketCount, BucketCountHash, BucketCountHashEqual, - BucketCountHashEqualAlloc, BucketCountAlloc, BucketCountHashAlloc, - BucketAlloc, InputIteratorBucketHashEqualAlloc, InputIteratorBucketAlloc, + BucketCountHashEqualAlloc, BucketCountAlloc, BucketCountHashAlloc, Alloc, + InputIteratorBucketHashEqualAlloc, InputIteratorBucketAlloc, InputIteratorBucketHashAlloc, CopyConstructor, CopyConstructorAlloc, MoveConstructor, MoveConstructorAlloc, InitializerListBucketHashEqualAlloc, - InitializerListBucketAlloc, InitializerListBucketHashAlloc, Assignment, - MoveAssignment, AssignmentFromInitializerList, - AssignmentOverwritesExisting, MoveAssignmentOverwritesExisting, + InitializerListBucketAlloc, InitializerListBucketHashAlloc, CopyAssignment, + MoveAssignment, AssignmentFromInitializerList, AssignmentOverwritesExisting, + MoveAssignmentOverwritesExisting, AssignmentFromInitializerListOverwritesExisting, AssignmentOnSelf); } // namespace container_internal diff --git a/absl/container/internal/unordered_set_members_test.h b/absl/container/internal/unordered_set_members_test.h new file mode 100644 index 00000000..eaf00445 --- /dev/null +++ b/absl/container/internal/unordered_set_members_test.h @@ -0,0 +1,84 @@ +// 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 +// +// http://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_SET_MEMBERS_TEST_H_ +#define ABSL_CONTAINER_INTERNAL_UNORDERED_SET_MEMBERS_TEST_H_ + +#include <type_traits> +#include "gmock/gmock.h" +#include "gtest/gtest.h" +#include "absl/meta/type_traits.h" + +namespace absl { +namespace container_internal { + +template <class UnordSet> +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<typename TypeParam::key_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 +} // namespace absl + +#endif // ABSL_CONTAINER_INTERNAL_UNORDERED_SET_MEMBERS_TEST_H_ diff --git a/absl/container/internal/unordered_set_test.cc b/absl/container/internal/unordered_set_test.cc index 04533bf0..d5a8613e 100644 --- a/absl/container/internal/unordered_set_test.cc +++ b/absl/container/internal/unordered_set_test.cc @@ -16,6 +16,7 @@ #include "absl/container/internal/unordered_set_constructor_test.h" #include "absl/container/internal/unordered_set_lookup_test.h" +#include "absl/container/internal/unordered_set_members_test.h" #include "absl/container/internal/unordered_set_modifiers_test.h" namespace absl { @@ -30,6 +31,7 @@ using SetTypes = INSTANTIATE_TYPED_TEST_SUITE_P(UnorderedSet, ConstructorTest, SetTypes); INSTANTIATE_TYPED_TEST_SUITE_P(UnorderedSet, LookupTest, SetTypes); +INSTANTIATE_TYPED_TEST_SUITE_P(UnorderedSet, MembersTest, SetTypes); INSTANTIATE_TYPED_TEST_SUITE_P(UnorderedSet, ModifiersTest, SetTypes); } // namespace diff --git a/absl/container/node_hash_map_test.cc b/absl/container/node_hash_map_test.cc index 87ea4560..87fd4185 100644 --- a/absl/container/node_hash_map_test.cc +++ b/absl/container/node_hash_map_test.cc @@ -17,6 +17,7 @@ #include "absl/container/internal/tracked.h" #include "absl/container/internal/unordered_map_constructor_test.h" #include "absl/container/internal/unordered_map_lookup_test.h" +#include "absl/container/internal/unordered_map_members_test.h" #include "absl/container/internal/unordered_map_modifiers_test.h" namespace absl { @@ -36,6 +37,7 @@ using MapTypes = ::testing::Types< INSTANTIATE_TYPED_TEST_SUITE_P(NodeHashMap, ConstructorTest, MapTypes); INSTANTIATE_TYPED_TEST_SUITE_P(NodeHashMap, LookupTest, MapTypes); +INSTANTIATE_TYPED_TEST_SUITE_P(NodeHashMap, MembersTest, MapTypes); INSTANTIATE_TYPED_TEST_SUITE_P(NodeHashMap, ModifiersTest, MapTypes); using M = absl::node_hash_map<std::string, Tracked<int>>; diff --git a/absl/container/node_hash_set_test.cc b/absl/container/node_hash_set_test.cc index 09cb7a98..5eaac2a5 100644 --- a/absl/container/node_hash_set_test.cc +++ b/absl/container/node_hash_set_test.cc @@ -16,6 +16,7 @@ #include "absl/container/internal/unordered_set_constructor_test.h" #include "absl/container/internal/unordered_set_lookup_test.h" +#include "absl/container/internal/unordered_set_members_test.h" #include "absl/container/internal/unordered_set_modifiers_test.h" namespace absl { @@ -29,13 +30,14 @@ using ::testing::UnorderedElementsAre; using SetTypes = ::testing::Types< node_hash_set<int, StatefulTestingHash, StatefulTestingEqual, Alloc<int>>, node_hash_set<std::string, StatefulTestingHash, StatefulTestingEqual, - Alloc<int>>, + Alloc<std::string>>, node_hash_set<Enum, StatefulTestingHash, StatefulTestingEqual, Alloc<Enum>>, node_hash_set<EnumClass, StatefulTestingHash, StatefulTestingEqual, Alloc<EnumClass>>>; INSTANTIATE_TYPED_TEST_SUITE_P(NodeHashSet, ConstructorTest, SetTypes); INSTANTIATE_TYPED_TEST_SUITE_P(NodeHashSet, LookupTest, SetTypes); +INSTANTIATE_TYPED_TEST_SUITE_P(NodeHashSet, MembersTest, SetTypes); INSTANTIATE_TYPED_TEST_SUITE_P(NodeHashSet, ModifiersTest, SetTypes); TEST(NodeHashSet, MoveableNotCopyableCompiles) { diff --git a/absl/strings/str_cat.h b/absl/strings/str_cat.h index 8ba0592f..f4f4aca8 100644 --- a/absl/strings/str_cat.h +++ b/absl/strings/str_cat.h @@ -78,8 +78,8 @@ struct AlphaNumBuffer { // Enum that specifies the number of significant digits to return in a `Hex` or // `Dec` conversion and fill character to use. A `kZeroPad2` value, for example, -// would produce hexadecimal strings such as "0A","0F" and a 'kSpacePad5' value -// would produce hexadecimal strings such as " A"," F". +// would produce hexadecimal strings such as "0a","0f" and a 'kSpacePad5' value +// would produce hexadecimal strings such as " a"," f". enum PadSpec : uint8_t { kNoPad = 1, kZeroPad2, |