Export of internal Abseil changes.

--
70b243f160a2f0f222066f62e06cc4346aea683d by Gennadiy Civil <misterg@google.com>:

Replace tests with new googletest Test Suite APIs

PiperOrigin-RevId: 228901526

--
28fe449f416c3d3fe882ef3dfa4289b94be5f8af by CJ Johnson <johnsoncj@google.com>:

Changes the style of enable_if on InlinedVector::insert(...) to match all others

PiperOrigin-RevId: 228878640

--
5b4732f783d16cfb19c8c42962201aafe12b3c0f by Abseil Team <absl-team@google.com>:

Update the absl::FromDateTime() deprecation message to refer to
absl::FromCivil(), the recommended replacement despite a slight
change in behavior for skipped civil times.

PiperOrigin-RevId: 228820837

--
ee77056d753bb8665236a173064af85d935acfc4 by Gennadiy Civil <misterg@google.com>:

Bump googletest to the latest

PiperOrigin-RevId: 228792994

--
aebc04f76b83a26432dba8e6199c971d5b69df0f by CJ Johnson <johnsoncj@google.com>:

Switches InlinedVector input/forward iterator tagged dispatch from callsite to template decorator

PiperOrigin-RevId: 228771063
GitOrigin-RevId: 70b243f160a2f0f222066f62e06cc4346aea683d
Change-Id: I5f8cd05685ff642eff81187b8e207a0bdbcf073a

15 files changed, 74 insertions, 59 deletions

diff --git a/absl/container/flat_hash_map_test.cc b/absl/container/flat_hash_map_test.cc
index 2c6f2515f865..ccc055f7d6e2 100644
--- a/absl/container/flat_hash_map_test.cc
+++ b/absl/container/flat_hash_map_test.cc
@@ -40,9 +40,9 @@ using MapTypes =
                      Map<EnumClass, int>, Map<int, NonStandardLayout>,
                      Map<NonStandardLayout, int>>;
 
-INSTANTIATE_TYPED_TEST_CASE_P(FlatHashMap, ConstructorTest, MapTypes);
-INSTANTIATE_TYPED_TEST_CASE_P(FlatHashMap, LookupTest, MapTypes);
-INSTANTIATE_TYPED_TEST_CASE_P(FlatHashMap, ModifiersTest, MapTypes);
+INSTANTIATE_TYPED_TEST_SUITE_P(FlatHashMap, ConstructorTest, MapTypes);
+INSTANTIATE_TYPED_TEST_SUITE_P(FlatHashMap, LookupTest, MapTypes);
+INSTANTIATE_TYPED_TEST_SUITE_P(FlatHashMap, ModifiersTest, MapTypes);
 
 TEST(FlatHashMap, StandardLayout) {
   struct Int {
diff --git a/absl/container/flat_hash_set_test.cc b/absl/container/flat_hash_set_test.cc
index e52fd532cbee..afbe77487976 100644
--- a/absl/container/flat_hash_set_test.cc
+++ b/absl/container/flat_hash_set_test.cc
@@ -40,9 +40,9 @@ using Set =
 using SetTypes =
     ::testing::Types<Set<int>, Set<std::string>, Set<Enum>, Set<EnumClass>>;
 
-INSTANTIATE_TYPED_TEST_CASE_P(FlatHashSet, ConstructorTest, SetTypes);
-INSTANTIATE_TYPED_TEST_CASE_P(FlatHashSet, LookupTest, SetTypes);
-INSTANTIATE_TYPED_TEST_CASE_P(FlatHashSet, ModifiersTest, SetTypes);
+INSTANTIATE_TYPED_TEST_SUITE_P(FlatHashSet, ConstructorTest, SetTypes);
+INSTANTIATE_TYPED_TEST_SUITE_P(FlatHashSet, LookupTest, SetTypes);
+INSTANTIATE_TYPED_TEST_SUITE_P(FlatHashSet, ModifiersTest, SetTypes);
 
 TEST(FlatHashSet, EmplaceString) {
   std::vector<std::string> v = {"a", "b"};
diff --git a/absl/container/inlined_vector.h b/absl/container/inlined_vector.h
index c2f9d44b8c67..7c574aec43bd 100644
--- a/absl/container/inlined_vector.h
+++ b/absl/container/inlined_vector.h
@@ -72,17 +72,30 @@ class InlinedVector {
   }
 
   template <typename Iterator>
+  using IsAtLeastInputIterator = std::is_convertible<
+      typename std::iterator_traits<Iterator>::iterator_category,
+      std::input_iterator_tag>;
+
+  template <typename Iterator>
+  using IsAtLeastForwardIterator = std::is_convertible<
+      typename std::iterator_traits<Iterator>::iterator_category,
+      std::forward_iterator_tag>;
+
+  template <typename Iterator>
   using DisableIfIntegral =
       absl::enable_if_t<!std::is_integral<Iterator>::value>;
 
   template <typename Iterator>
-  using EnableIfInputIterator = absl::enable_if_t<std::is_convertible<
-      typename std::iterator_traits<Iterator>::iterator_category,
-      std::input_iterator_tag>::value>;
+  using EnableIfAtLeastInputIterator =
+      absl::enable_if_t<IsAtLeastInputIterator<Iterator>::value>;
+
+  template <typename Iterator>
+  using EnableIfAtLeastForwardIterator =
+      absl::enable_if_t<IsAtLeastForwardIterator<Iterator>::value>;
 
   template <typename Iterator>
-  using IteratorCategory =
-      typename std::iterator_traits<Iterator>::iterator_category;
+  using DisableIfAtLeastForwardIterator =
+      absl::enable_if_t<!IsAtLeastForwardIterator<Iterator>::value>;
 
   using rvalue_reference = typename A::value_type&&;
 
@@ -130,8 +143,7 @@ class InlinedVector {
   InlinedVector(std::initializer_list<value_type> init_list,
                 const allocator_type& alloc = allocator_type())
       : allocator_and_tag_(alloc) {
-    AppendRange(init_list.begin(), init_list.end(),
-                IteratorCategory<decltype(init_list.begin())>{});
+    AppendRange(init_list.begin(), init_list.end());
   }
 
   // Creates an inlined vector with elements constructed from the provided
@@ -144,7 +156,7 @@ class InlinedVector {
   InlinedVector(InputIterator first, InputIterator last,
                 const allocator_type& alloc = allocator_type())
       : allocator_and_tag_(alloc) {
-    AppendRange(first, last, IteratorCategory<InputIterator>{});
+    AppendRange(first, last);
   }
 
   // Creates a copy of `other` using `other`'s allocator.
@@ -422,8 +434,7 @@ class InlinedVector {
   // Replaces the contents of the inlined vector with copies of the elements in
   // the provided `std::initializer_list`.
   InlinedVector& operator=(std::initializer_list<value_type> init_list) {
-    AssignRange(init_list.begin(), init_list.end(),
-                IteratorCategory<decltype(init_list.begin())>{});
+    AssignRange(init_list.begin(), init_list.end());
     return *this;
   }
 
@@ -500,15 +511,14 @@ class InlinedVector {
   // inlined vector with copies of the values in the provided
   // `std::initializer_list`.
   void assign(std::initializer_list<value_type> init_list) {
-    AssignRange(init_list.begin(), init_list.end(),
-                IteratorCategory<decltype(init_list.begin())>{});
+    AssignRange(init_list.begin(), init_list.end());
   }
 
   // Overload of `InlinedVector::assign()` to replace the contents of the
   // inlined vector with values constructed from the range [`first`, `last`).
   template <typename InputIterator, DisableIfIntegral<InputIterator>* = nullptr>
   void assign(InputIterator first, InputIterator last) {
-    AssignRange(first, last, IteratorCategory<InputIterator>{});
+    AssignRange(first, last);
   }
 
   // `InlinedVector::resize()`
@@ -593,11 +603,10 @@ class InlinedVector {
   // NOTE: The `enable_if` is intended to disambiguate the two three-argument
   // overloads of `insert()`.
   template <typename InputIterator,
-            typename = EnableIfInputIterator<InputIterator>>
+            EnableIfAtLeastInputIterator<InputIterator>* = nullptr>
   iterator insert(const_iterator position, InputIterator first,
                   InputIterator last) {
-    return InsertWithRange(position, first, last,
-                           IteratorCategory<InputIterator>());
+    return InsertWithRange(position, first, last);
   }
 
   // `InlinedVector::emplace()`
@@ -1077,8 +1086,9 @@ class InlinedVector {
     }
   }
 
-  template <typename Iterator>
-  void AssignRange(Iterator first, Iterator last, std::forward_iterator_tag) {
+  template <typename ForwardIterator,
+            EnableIfAtLeastForwardIterator<ForwardIterator>* = nullptr>
+  void AssignRange(ForwardIterator first, ForwardIterator last) {
     auto length = std::distance(first, last);
     // Prefer reassignment to copy construction for elements.
     if (static_cast<size_type>(length) <= size()) {
@@ -1097,8 +1107,9 @@ class InlinedVector {
     }
   }
 
-  template <typename Iterator>
-  void AssignRange(Iterator first, Iterator last, std::input_iterator_tag) {
+  template <typename InputIterator,
+            DisableIfAtLeastForwardIterator<InputIterator>* = nullptr>
+  void AssignRange(InputIterator first, InputIterator last) {
     // Optimized to avoid reallocation.
     // Prefer reassignment to copy construction for elements.
     iterator out = begin();
@@ -1109,8 +1120,9 @@ class InlinedVector {
     std::copy(first, last, std::back_inserter(*this));
   }
 
-  template <typename Iterator>
-  void AppendRange(Iterator first, Iterator last, std::forward_iterator_tag) {
+  template <typename ForwardIterator,
+            EnableIfAtLeastForwardIterator<ForwardIterator>* = nullptr>
+  void AppendRange(ForwardIterator first, ForwardIterator last) {
     auto length = std::distance(first, last);
     reserve(size() + length);
     if (allocated()) {
@@ -1122,8 +1134,9 @@ class InlinedVector {
     }
   }
 
-  template <typename Iterator>
-  void AppendRange(Iterator first, Iterator last, std::input_iterator_tag) {
+  template <typename InputIterator,
+            DisableIfAtLeastForwardIterator<InputIterator>* = nullptr>
+  void AppendRange(InputIterator first, InputIterator last) {
     std::copy(first, last, std::back_inserter(*this));
   }
 
@@ -1140,9 +1153,10 @@ class InlinedVector {
     return it_pair.first;
   }
 
-  template <typename ForwardIterator>
+  template <typename ForwardIterator,
+            EnableIfAtLeastForwardIterator<ForwardIterator>* = nullptr>
   iterator InsertWithRange(const_iterator position, ForwardIterator first,
-                           ForwardIterator last, std::forward_iterator_tag) {
+                           ForwardIterator last) {
     assert(position >= begin() && position <= end());
     if (ABSL_PREDICT_FALSE(first == last))
       return const_cast<iterator>(position);
@@ -1150,15 +1164,16 @@ class InlinedVector {
     auto n = std::distance(first, last);
     std::pair<iterator, iterator> it_pair = ShiftRight(position, n);
     size_type used_spots = it_pair.second - it_pair.first;
-    ForwardIterator open_spot = std::next(first, used_spots);
+    auto open_spot = std::next(first, used_spots);
     std::copy(first, open_spot, it_pair.first);
     UninitializedCopy(open_spot, last, it_pair.second);
     return it_pair.first;
   }
 
-  template <typename InputIterator>
+  template <typename InputIterator,
+            DisableIfAtLeastForwardIterator<InputIterator>* = nullptr>
   iterator InsertWithRange(const_iterator position, InputIterator first,
-                           InputIterator last, std::input_iterator_tag) {
+                           InputIterator last) {
     assert(position >= begin() && position <= end());
     size_type index = position - cbegin();
     size_type i = index;
diff --git a/absl/container/inlined_vector_test.cc b/absl/container/inlined_vector_test.cc
index b3dcc7f0ad40..9408ee9dd5b4 100644
--- a/absl/container/inlined_vector_test.cc
+++ b/absl/container/inlined_vector_test.cc
@@ -70,7 +70,7 @@ MATCHER_P(ValueIs, e, "") {
 // test_instance_tracker.h.
 template <typename T>
 class InstanceTest : public ::testing::Test {};
-TYPED_TEST_CASE_P(InstanceTest);
+TYPED_TEST_SUITE_P(InstanceTest);
 
 // A simple reference counted class to make sure that the proper elements are
 // destroyed in the erase(begin, end) test.
diff --git a/absl/container/internal/hash_function_defaults_test.cc b/absl/container/internal/hash_function_defaults_test.cc
index 464baae02cdd..e8f62503e855 100644
--- a/absl/container/internal/hash_function_defaults_test.cc
+++ b/absl/container/internal/hash_function_defaults_test.cc
@@ -77,14 +77,14 @@ struct EqString : ::testing::Test {
   hash_default_eq<T> key_eq;
 };
 
-TYPED_TEST_CASE(EqString, StringTypes);
+TYPED_TEST_SUITE(EqString, StringTypes);
 
 template <class T>
 struct HashString : ::testing::Test {
   hash_default_hash<T> hasher;
 };
 
-TYPED_TEST_CASE(HashString, StringTypes);
+TYPED_TEST_SUITE(HashString, StringTypes);
 
 TYPED_TEST(EqString, Works) {
   auto eq = this->key_eq;
@@ -121,14 +121,14 @@ struct EqPointer : ::testing::Test {
   hash_default_eq<T> key_eq;
 };
 
-TYPED_TEST_CASE(EqPointer, PointerTypes);
+TYPED_TEST_SUITE(EqPointer, PointerTypes);
 
 template <class T>
 struct HashPointer : ::testing::Test {
   hash_default_hash<T> hasher;
 };
 
-TYPED_TEST_CASE(HashPointer, PointerTypes);
+TYPED_TEST_SUITE(HashPointer, PointerTypes);
 
 TYPED_TEST(EqPointer, Works) {
   int dummy;
@@ -248,7 +248,7 @@ TYPED_TEST_P(StringLikeTest, HashEq) {
   EXPECT_NE(this->hash(this->a1), this->hash(this->b2));
 }
 
-TYPED_TEST_CASE(StringLikeTest, StringTypesCartesianProduct);
+TYPED_TEST_SUITE(StringLikeTest, StringTypesCartesianProduct);
 
 }  // namespace
 }  // namespace container_internal
diff --git a/absl/container/internal/unordered_map_constructor_test.h b/absl/container/internal/unordered_map_constructor_test.h
index 87d6c3c33fff..e70c191aa7a7 100644
--- a/absl/container/internal/unordered_map_constructor_test.h
+++ b/absl/container/internal/unordered_map_constructor_test.h
@@ -29,7 +29,7 @@ namespace container_internal {
 template <class UnordMap>
 class ConstructorTest : public ::testing::Test {};
 
-TYPED_TEST_CASE_P(ConstructorTest);
+TYPED_TEST_SUITE_P(ConstructorTest);
 
 TYPED_TEST_P(ConstructorTest, NoArgs) {
   TypeParam m;
diff --git a/absl/container/internal/unordered_map_lookup_test.h b/absl/container/internal/unordered_map_lookup_test.h
index a3d2159587ac..488e340d2fb0 100644
--- a/absl/container/internal/unordered_map_lookup_test.h
+++ b/absl/container/internal/unordered_map_lookup_test.h
@@ -26,7 +26,7 @@ namespace container_internal {
 template <class UnordMap>
 class LookupTest : public ::testing::Test {};
 
-TYPED_TEST_CASE_P(LookupTest);
+TYPED_TEST_SUITE_P(LookupTest);
 
 TYPED_TEST_P(LookupTest, At) {
   using T = hash_internal::GeneratedType<TypeParam>;
diff --git a/absl/container/internal/unordered_map_modifiers_test.h b/absl/container/internal/unordered_map_modifiers_test.h
index 61ae7d630b5d..2e1cd633aed4 100644
--- a/absl/container/internal/unordered_map_modifiers_test.h
+++ b/absl/container/internal/unordered_map_modifiers_test.h
@@ -26,7 +26,7 @@ namespace container_internal {
 template <class UnordMap>
 class ModifiersTest : public ::testing::Test {};
 
-TYPED_TEST_CASE_P(ModifiersTest);
+TYPED_TEST_SUITE_P(ModifiersTest);
 
 TYPED_TEST_P(ModifiersTest, Clear) {
   using T = hash_internal::GeneratedType<TypeParam>;
diff --git a/absl/container/internal/unordered_map_test.cc b/absl/container/internal/unordered_map_test.cc
index 40e799cda89c..2752cb76d77e 100644
--- a/absl/container/internal/unordered_map_test.cc
+++ b/absl/container/internal/unordered_map_test.cc
@@ -29,9 +29,9 @@ using MapTypes = ::testing::Types<
                        StatefulTestingEqual,
                        Alloc<std::pair<const std::string, std::string>>>>;
 
-INSTANTIATE_TYPED_TEST_CASE_P(UnorderedMap, ConstructorTest, MapTypes);
-INSTANTIATE_TYPED_TEST_CASE_P(UnorderedMap, LookupTest, MapTypes);
-INSTANTIATE_TYPED_TEST_CASE_P(UnorderedMap, ModifiersTest, MapTypes);
+INSTANTIATE_TYPED_TEST_SUITE_P(UnorderedMap, ConstructorTest, MapTypes);
+INSTANTIATE_TYPED_TEST_SUITE_P(UnorderedMap, LookupTest, MapTypes);
+INSTANTIATE_TYPED_TEST_SUITE_P(UnorderedMap, ModifiersTest, MapTypes);
 
 }  // namespace
 }  // namespace container_internal
diff --git a/absl/container/internal/unordered_set_constructor_test.h b/absl/container/internal/unordered_set_constructor_test.h
index 9516e5ba5808..8997046a3e5b 100644
--- a/absl/container/internal/unordered_set_constructor_test.h
+++ b/absl/container/internal/unordered_set_constructor_test.h
@@ -29,7 +29,7 @@ namespace container_internal {
 template <class UnordMap>
 class ConstructorTest : public ::testing::Test {};
 
-TYPED_TEST_CASE_P(ConstructorTest);
+TYPED_TEST_SUITE_P(ConstructorTest);
 
 TYPED_TEST_P(ConstructorTest, NoArgs) {
   TypeParam m;
diff --git a/absl/container/internal/unordered_set_lookup_test.h b/absl/container/internal/unordered_set_lookup_test.h
index 1421e7b6ffb7..69f431424bec 100644
--- a/absl/container/internal/unordered_set_lookup_test.h
+++ b/absl/container/internal/unordered_set_lookup_test.h
@@ -26,7 +26,7 @@ namespace container_internal {
 template <class UnordSet>
 class LookupTest : public ::testing::Test {};
 
-TYPED_TEST_CASE_P(LookupTest);
+TYPED_TEST_SUITE_P(LookupTest);
 
 TYPED_TEST_P(LookupTest, Count) {
   using T = hash_internal::GeneratedType<TypeParam>;
diff --git a/absl/container/internal/unordered_set_modifiers_test.h b/absl/container/internal/unordered_set_modifiers_test.h
index 445dcec48fa4..853c4e3183aa 100644
--- a/absl/container/internal/unordered_set_modifiers_test.h
+++ b/absl/container/internal/unordered_set_modifiers_test.h
@@ -26,7 +26,7 @@ namespace container_internal {
 template <class UnordSet>
 class ModifiersTest : public ::testing::Test {};
 
-TYPED_TEST_CASE_P(ModifiersTest);
+TYPED_TEST_SUITE_P(ModifiersTest);
 
 TYPED_TEST_P(ModifiersTest, Clear) {
   using T = hash_internal::GeneratedType<TypeParam>;
diff --git a/absl/container/internal/unordered_set_test.cc b/absl/container/internal/unordered_set_test.cc
index 1281ce53d5e2..04533bf0aa26 100644
--- a/absl/container/internal/unordered_set_test.cc
+++ b/absl/container/internal/unordered_set_test.cc
@@ -28,9 +28,9 @@ using SetTypes =
                      std::unordered_set<std::string, StatefulTestingHash,
                                         StatefulTestingEqual, Alloc<std::string>>>;
 
-INSTANTIATE_TYPED_TEST_CASE_P(UnorderedSet, ConstructorTest, SetTypes);
-INSTANTIATE_TYPED_TEST_CASE_P(UnorderedSet, LookupTest, SetTypes);
-INSTANTIATE_TYPED_TEST_CASE_P(UnorderedSet, ModifiersTest, SetTypes);
+INSTANTIATE_TYPED_TEST_SUITE_P(UnorderedSet, ConstructorTest, SetTypes);
+INSTANTIATE_TYPED_TEST_SUITE_P(UnorderedSet, LookupTest, SetTypes);
+INSTANTIATE_TYPED_TEST_SUITE_P(UnorderedSet, ModifiersTest, SetTypes);
 
 }  // namespace
 }  // namespace container_internal
diff --git a/absl/container/node_hash_map_test.cc b/absl/container/node_hash_map_test.cc
index bd789644c24e..87ea45608a33 100644
--- a/absl/container/node_hash_map_test.cc
+++ b/absl/container/node_hash_map_test.cc
@@ -34,9 +34,9 @@ using MapTypes = ::testing::Types<
                         StatefulTestingEqual,
                         Alloc<std::pair<const std::string, std::string>>>>;
 
-INSTANTIATE_TYPED_TEST_CASE_P(NodeHashMap, ConstructorTest, MapTypes);
-INSTANTIATE_TYPED_TEST_CASE_P(NodeHashMap, LookupTest, MapTypes);
-INSTANTIATE_TYPED_TEST_CASE_P(NodeHashMap, ModifiersTest, MapTypes);
+INSTANTIATE_TYPED_TEST_SUITE_P(NodeHashMap, ConstructorTest, MapTypes);
+INSTANTIATE_TYPED_TEST_SUITE_P(NodeHashMap, LookupTest, 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 7e498f0f779b..09cb7a981d0e 100644
--- a/absl/container/node_hash_set_test.cc
+++ b/absl/container/node_hash_set_test.cc
@@ -34,9 +34,9 @@ using SetTypes = ::testing::Types<
     node_hash_set<EnumClass, StatefulTestingHash, StatefulTestingEqual,
                   Alloc<EnumClass>>>;
 
-INSTANTIATE_TYPED_TEST_CASE_P(NodeHashSet, ConstructorTest, SetTypes);
-INSTANTIATE_TYPED_TEST_CASE_P(NodeHashSet, LookupTest, SetTypes);
-INSTANTIATE_TYPED_TEST_CASE_P(NodeHashSet, ModifiersTest, SetTypes);
+INSTANTIATE_TYPED_TEST_SUITE_P(NodeHashSet, ConstructorTest, SetTypes);
+INSTANTIATE_TYPED_TEST_SUITE_P(NodeHashSet, LookupTest, SetTypes);
+INSTANTIATE_TYPED_TEST_SUITE_P(NodeHashSet, ModifiersTest, SetTypes);
 
 TEST(NodeHashSet, MoveableNotCopyableCompiles) {
   node_hash_set<std::unique_ptr<void*>> t;