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-rw-r--r--absl/base/config.h12
-rw-r--r--absl/container/BUILD.bazel34
-rw-r--r--absl/container/CMakeLists.txt36
-rw-r--r--absl/container/flat_hash_map_test.cc6
-rw-r--r--absl/container/flat_hash_set_test.cc2
-rw-r--r--absl/container/internal/unordered_map_constructor_test.h140
-rw-r--r--absl/container/internal/unordered_map_members_test.h85
-rw-r--r--absl/container/internal/unordered_map_test.cc2
-rw-r--r--absl/container/internal/unordered_set_constructor_test.h147
-rw-r--r--absl/container/internal/unordered_set_members_test.h84
-rw-r--r--absl/container/internal/unordered_set_test.cc2
-rw-r--r--absl/container/node_hash_map_test.cc2
-rw-r--r--absl/container/node_hash_set_test.cc4
-rw-r--r--absl/strings/str_cat.h4
14 files changed, 482 insertions, 78 deletions
diff --git a/absl/base/config.h b/absl/base/config.h
index eb0d79dfe39f..e2ef5e4c6f35 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 91013e04b0d0..04b4f9af9e21 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 c6053d745799..56ea42949bce 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 ccc055f7d6e2..84ec9d56c96b 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 afbe77487976..ae159a24918a 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 e70c191aa7a7..837d23177ab5 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 000000000000..5c9a799c4734
--- /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 2752cb76d77e..32ab48d0533e 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 8997046a3e5b..533a62176a20 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 000000000000..eaf00445fdb4
--- /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 04533bf0aa26..d5a8613eef67 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 87ea45608a33..87fd41854e55 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 09cb7a981d0e..5eaac2a51b9a 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 8ba0592fdaae..f4f4aca81c08 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,
generated by cgit-pink 1.4.1 (git 2.44.2) at 2024-08-16T09ยท01+0000