From 5aa5d282eac56a21e74611c1cdbaa97bb5db2dca Mon Sep 17 00:00:00 2001
From: Vincent Ambo <mail@tazj.in>
Date: Tue, 8 Feb 2022 02:05:36 +0300
Subject: chore(3p/abseil_cpp): unvendor abseil_cpp

we weren't actually using these sources anymore, okay?

Change-Id: If701571d9716de308d3512e1eb22c35db0877a66
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5248
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: tazjin <tazjin@tvl.su>
---
 third_party/abseil_cpp/absl/memory/memory_test.cc | 650 ----------------------
 1 file changed, 650 deletions(-)
 delete mode 100644 third_party/abseil_cpp/absl/memory/memory_test.cc

(limited to 'third_party/abseil_cpp/absl/memory/memory_test.cc')

diff --git a/third_party/abseil_cpp/absl/memory/memory_test.cc b/third_party/abseil_cpp/absl/memory/memory_test.cc
deleted file mode 100644
index 1990c7ba4728..000000000000
--- a/third_party/abseil_cpp/absl/memory/memory_test.cc
+++ /dev/null
@@ -1,650 +0,0 @@
-// Copyright 2017 The Abseil Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      https://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Tests for pointer utilities.
-
-#include "absl/memory/memory.h"
-
-#include <sys/types.h>
-
-#include <cstddef>
-#include <memory>
-#include <string>
-#include <type_traits>
-#include <utility>
-#include <vector>
-
-#include "gmock/gmock.h"
-#include "gtest/gtest.h"
-
-namespace {
-
-using ::testing::ElementsAre;
-using ::testing::Return;
-
-// This class creates observable behavior to verify that a destructor has
-// been called, via the instance_count variable.
-class DestructorVerifier {
- public:
-  DestructorVerifier() { ++instance_count_; }
-  DestructorVerifier(const DestructorVerifier&) = delete;
-  DestructorVerifier& operator=(const DestructorVerifier&) = delete;
-  ~DestructorVerifier() { --instance_count_; }
-
-  // The number of instances of this class currently active.
-  static int instance_count() { return instance_count_; }
-
- private:
-  // The number of instances of this class currently active.
-  static int instance_count_;
-};
-
-int DestructorVerifier::instance_count_ = 0;
-
-TEST(WrapUniqueTest, WrapUnique) {
-  // Test that the unique_ptr is constructed properly by verifying that the
-  // destructor for its payload gets called at the proper time.
-  {
-    auto dv = new DestructorVerifier;
-    EXPECT_EQ(1, DestructorVerifier::instance_count());
-    std::unique_ptr<DestructorVerifier> ptr = absl::WrapUnique(dv);
-    EXPECT_EQ(1, DestructorVerifier::instance_count());
-  }
-  EXPECT_EQ(0, DestructorVerifier::instance_count());
-}
-TEST(MakeUniqueTest, Basic) {
-  std::unique_ptr<std::string> p = absl::make_unique<std::string>();
-  EXPECT_EQ("", *p);
-  p = absl::make_unique<std::string>("hi");
-  EXPECT_EQ("hi", *p);
-}
-
-// InitializationVerifier fills in a pattern when allocated so we can
-// distinguish between its default and value initialized states (without
-// accessing truly uninitialized memory).
-struct InitializationVerifier {
-  static constexpr int kDefaultScalar = 0x43;
-  static constexpr int kDefaultArray = 0x4B;
-
-  static void* operator new(size_t n) {
-    void* ret = ::operator new(n);
-    memset(ret, kDefaultScalar, n);
-    return ret;
-  }
-
-  static void* operator new[](size_t n) {
-    void* ret = ::operator new[](n);
-    memset(ret, kDefaultArray, n);
-    return ret;
-  }
-
-  int a;
-  int b;
-};
-
-TEST(Initialization, MakeUnique) {
-  auto p = absl::make_unique<InitializationVerifier>();
-
-  EXPECT_EQ(0, p->a);
-  EXPECT_EQ(0, p->b);
-}
-
-TEST(Initialization, MakeUniqueArray) {
-  auto p = absl::make_unique<InitializationVerifier[]>(2);
-
-  EXPECT_EQ(0, p[0].a);
-  EXPECT_EQ(0, p[0].b);
-  EXPECT_EQ(0, p[1].a);
-  EXPECT_EQ(0, p[1].b);
-}
-
-struct MoveOnly {
-  MoveOnly() = default;
-  explicit MoveOnly(int i1) : ip1{new int{i1}} {}
-  MoveOnly(int i1, int i2) : ip1{new int{i1}}, ip2{new int{i2}} {}
-  std::unique_ptr<int> ip1;
-  std::unique_ptr<int> ip2;
-};
-
-struct AcceptMoveOnly {
-  explicit AcceptMoveOnly(MoveOnly m) : m_(std::move(m)) {}
-  MoveOnly m_;
-};
-
-TEST(MakeUniqueTest, MoveOnlyTypeAndValue) {
-  using ExpectedType = std::unique_ptr<MoveOnly>;
-  {
-    auto p = absl::make_unique<MoveOnly>();
-    static_assert(std::is_same<decltype(p), ExpectedType>::value,
-                  "unexpected return type");
-    EXPECT_TRUE(!p->ip1);
-    EXPECT_TRUE(!p->ip2);
-  }
-  {
-    auto p = absl::make_unique<MoveOnly>(1);
-    static_assert(std::is_same<decltype(p), ExpectedType>::value,
-                  "unexpected return type");
-    EXPECT_TRUE(p->ip1 && *p->ip1 == 1);
-    EXPECT_TRUE(!p->ip2);
-  }
-  {
-    auto p = absl::make_unique<MoveOnly>(1, 2);
-    static_assert(std::is_same<decltype(p), ExpectedType>::value,
-                  "unexpected return type");
-    EXPECT_TRUE(p->ip1 && *p->ip1 == 1);
-    EXPECT_TRUE(p->ip2 && *p->ip2 == 2);
-  }
-}
-
-TEST(MakeUniqueTest, AcceptMoveOnly) {
-  auto p = absl::make_unique<AcceptMoveOnly>(MoveOnly());
-  p = std::unique_ptr<AcceptMoveOnly>(new AcceptMoveOnly(MoveOnly()));
-}
-
-struct ArrayWatch {
-  void* operator new[](size_t n) {
-    allocs().push_back(n);
-    return ::operator new[](n);
-  }
-  void operator delete[](void* p) { return ::operator delete[](p); }
-  static std::vector<size_t>& allocs() {
-    static auto& v = *new std::vector<size_t>;
-    return v;
-  }
-};
-
-TEST(Make_UniqueTest, Array) {
-  // Ensure state is clean before we start so that these tests
-  // are order-agnostic.
-  ArrayWatch::allocs().clear();
-
-  auto p = absl::make_unique<ArrayWatch[]>(5);
-  static_assert(std::is_same<decltype(p), std::unique_ptr<ArrayWatch[]>>::value,
-                "unexpected return type");
-  EXPECT_THAT(ArrayWatch::allocs(), ElementsAre(5 * sizeof(ArrayWatch)));
-}
-
-TEST(Make_UniqueTest, NotAmbiguousWithStdMakeUnique) {
-  // Ensure that absl::make_unique is not ambiguous with std::make_unique.
-  // In C++14 mode, the below call to make_unique has both types as candidates.
-  struct TakesStdType {
-    explicit TakesStdType(const std::vector<int>& vec) {}
-  };
-  using absl::make_unique;
-  (void)make_unique<TakesStdType>(std::vector<int>());
-}
-
-#if 0
-// These tests shouldn't compile.
-TEST(MakeUniqueTestNC, AcceptMoveOnlyLvalue) {
-  auto m = MoveOnly();
-  auto p = absl::make_unique<AcceptMoveOnly>(m);
-}
-TEST(MakeUniqueTestNC, KnownBoundArray) {
-  auto p = absl::make_unique<ArrayWatch[5]>();
-}
-#endif
-
-TEST(RawPtrTest, RawPointer) {
-  int i = 5;
-  EXPECT_EQ(&i, absl::RawPtr(&i));
-}
-
-TEST(RawPtrTest, SmartPointer) {
-  int* o = new int(5);
-  std::unique_ptr<int> p(o);
-  EXPECT_EQ(o, absl::RawPtr(p));
-}
-
-class IntPointerNonConstDeref {
- public:
-  explicit IntPointerNonConstDeref(int* p) : p_(p) {}
-  friend bool operator!=(const IntPointerNonConstDeref& a, std::nullptr_t) {
-    return a.p_ != nullptr;
-  }
-  int& operator*() { return *p_; }
-
- private:
-  std::unique_ptr<int> p_;
-};
-
-TEST(RawPtrTest, SmartPointerNonConstDereference) {
-  int* o = new int(5);
-  IntPointerNonConstDeref p(o);
-  EXPECT_EQ(o, absl::RawPtr(p));
-}
-
-TEST(RawPtrTest, NullValuedRawPointer) {
-  int* p = nullptr;
-  EXPECT_EQ(nullptr, absl::RawPtr(p));
-}
-
-TEST(RawPtrTest, NullValuedSmartPointer) {
-  std::unique_ptr<int> p;
-  EXPECT_EQ(nullptr, absl::RawPtr(p));
-}
-
-TEST(RawPtrTest, Nullptr) {
-  auto p = absl::RawPtr(nullptr);
-  EXPECT_TRUE((std::is_same<std::nullptr_t, decltype(p)>::value));
-  EXPECT_EQ(nullptr, p);
-}
-
-TEST(RawPtrTest, Null) {
-  auto p = absl::RawPtr(nullptr);
-  EXPECT_TRUE((std::is_same<std::nullptr_t, decltype(p)>::value));
-  EXPECT_EQ(nullptr, p);
-}
-
-TEST(RawPtrTest, Zero) {
-  auto p = absl::RawPtr(nullptr);
-  EXPECT_TRUE((std::is_same<std::nullptr_t, decltype(p)>::value));
-  EXPECT_EQ(nullptr, p);
-}
-
-TEST(ShareUniquePtrTest, Share) {
-  auto up = absl::make_unique<int>();
-  int* rp = up.get();
-  auto sp = absl::ShareUniquePtr(std::move(up));
-  EXPECT_EQ(sp.get(), rp);
-}
-
-TEST(ShareUniquePtrTest, ShareNull) {
-  struct NeverDie {
-    using pointer = void*;
-    void operator()(pointer) {
-      ASSERT_TRUE(false) << "Deleter should not have been called.";
-    }
-  };
-
-  std::unique_ptr<void, NeverDie> up;
-  auto sp = absl::ShareUniquePtr(std::move(up));
-}
-
-TEST(WeakenPtrTest, Weak) {
-  auto sp = std::make_shared<int>();
-  auto wp = absl::WeakenPtr(sp);
-  EXPECT_EQ(sp.get(), wp.lock().get());
-  sp.reset();
-  EXPECT_TRUE(wp.expired());
-}
-
-// Should not compile.
-/*
-TEST(RawPtrTest, NotAPointer) {
-  absl::RawPtr(1.5);
-}
-*/
-
-template <typename T>
-struct SmartPointer {
-  using difference_type = char;
-};
-
-struct PointerWith {
-  using element_type = int32_t;
-  using difference_type = int16_t;
-  template <typename U>
-  using rebind = SmartPointer<U>;
-
-  static PointerWith pointer_to(
-      element_type& r) {  // NOLINT(runtime/references)
-    return PointerWith{&r};
-  }
-
-  element_type* ptr;
-};
-
-template <typename... Args>
-struct PointerWithout {};
-
-TEST(PointerTraits, Types) {
-  using TraitsWith = absl::pointer_traits<PointerWith>;
-  EXPECT_TRUE((std::is_same<TraitsWith::pointer, PointerWith>::value));
-  EXPECT_TRUE((std::is_same<TraitsWith::element_type, int32_t>::value));
-  EXPECT_TRUE((std::is_same<TraitsWith::difference_type, int16_t>::value));
-  EXPECT_TRUE((
-      std::is_same<TraitsWith::rebind<int64_t>, SmartPointer<int64_t>>::value));
-
-  using TraitsWithout = absl::pointer_traits<PointerWithout<double, int>>;
-  EXPECT_TRUE((std::is_same<TraitsWithout::pointer,
-                            PointerWithout<double, int>>::value));
-  EXPECT_TRUE((std::is_same<TraitsWithout::element_type, double>::value));
-  EXPECT_TRUE(
-      (std::is_same<TraitsWithout ::difference_type, std::ptrdiff_t>::value));
-  EXPECT_TRUE((std::is_same<TraitsWithout::rebind<int64_t>,
-                            PointerWithout<int64_t, int>>::value));
-
-  using TraitsRawPtr = absl::pointer_traits<char*>;
-  EXPECT_TRUE((std::is_same<TraitsRawPtr::pointer, char*>::value));
-  EXPECT_TRUE((std::is_same<TraitsRawPtr::element_type, char>::value));
-  EXPECT_TRUE(
-      (std::is_same<TraitsRawPtr::difference_type, std::ptrdiff_t>::value));
-  EXPECT_TRUE((std::is_same<TraitsRawPtr::rebind<int64_t>, int64_t*>::value));
-}
-
-TEST(PointerTraits, Functions) {
-  int i;
-  EXPECT_EQ(&i, absl::pointer_traits<PointerWith>::pointer_to(i).ptr);
-  EXPECT_EQ(&i, absl::pointer_traits<int*>::pointer_to(i));
-}
-
-TEST(AllocatorTraits, Typedefs) {
-  struct A {
-    struct value_type {};
-  };
-  EXPECT_TRUE((
-      std::is_same<A,
-                   typename absl::allocator_traits<A>::allocator_type>::value));
-  EXPECT_TRUE(
-      (std::is_same<A::value_type,
-                    typename absl::allocator_traits<A>::value_type>::value));
-
-  struct X {};
-  struct HasPointer {
-    using value_type = X;
-    using pointer = SmartPointer<X>;
-  };
-  EXPECT_TRUE((std::is_same<SmartPointer<X>, typename absl::allocator_traits<
-                                                 HasPointer>::pointer>::value));
-  EXPECT_TRUE(
-      (std::is_same<A::value_type*,
-                    typename absl::allocator_traits<A>::pointer>::value));
-
-  EXPECT_TRUE(
-      (std::is_same<
-          SmartPointer<const X>,
-          typename absl::allocator_traits<HasPointer>::const_pointer>::value));
-  EXPECT_TRUE(
-      (std::is_same<const A::value_type*,
-                    typename absl::allocator_traits<A>::const_pointer>::value));
-
-  struct HasVoidPointer {
-    using value_type = X;
-    struct void_pointer {};
-  };
-
-  EXPECT_TRUE((std::is_same<HasVoidPointer::void_pointer,
-                            typename absl::allocator_traits<
-                                HasVoidPointer>::void_pointer>::value));
-  EXPECT_TRUE(
-      (std::is_same<SmartPointer<void>, typename absl::allocator_traits<
-                                            HasPointer>::void_pointer>::value));
-
-  struct HasConstVoidPointer {
-    using value_type = X;
-    struct const_void_pointer {};
-  };
-
-  EXPECT_TRUE(
-      (std::is_same<HasConstVoidPointer::const_void_pointer,
-                    typename absl::allocator_traits<
-                        HasConstVoidPointer>::const_void_pointer>::value));
-  EXPECT_TRUE((std::is_same<SmartPointer<const void>,
-                            typename absl::allocator_traits<
-                                HasPointer>::const_void_pointer>::value));
-
-  struct HasDifferenceType {
-    using value_type = X;
-    using difference_type = int;
-  };
-  EXPECT_TRUE(
-      (std::is_same<int, typename absl::allocator_traits<
-                             HasDifferenceType>::difference_type>::value));
-  EXPECT_TRUE((std::is_same<char, typename absl::allocator_traits<
-                                      HasPointer>::difference_type>::value));
-
-  struct HasSizeType {
-    using value_type = X;
-    using size_type = unsigned int;
-  };
-  EXPECT_TRUE((std::is_same<unsigned int, typename absl::allocator_traits<
-                                              HasSizeType>::size_type>::value));
-  EXPECT_TRUE((std::is_same<unsigned char, typename absl::allocator_traits<
-                                               HasPointer>::size_type>::value));
-
-  struct HasPropagateOnCopy {
-    using value_type = X;
-    struct propagate_on_container_copy_assignment {};
-  };
-
-  EXPECT_TRUE(
-      (std::is_same<HasPropagateOnCopy::propagate_on_container_copy_assignment,
-                    typename absl::allocator_traits<HasPropagateOnCopy>::
-                        propagate_on_container_copy_assignment>::value));
-  EXPECT_TRUE(
-      (std::is_same<std::false_type,
-                    typename absl::allocator_traits<
-                        A>::propagate_on_container_copy_assignment>::value));
-
-  struct HasPropagateOnMove {
-    using value_type = X;
-    struct propagate_on_container_move_assignment {};
-  };
-
-  EXPECT_TRUE(
-      (std::is_same<HasPropagateOnMove::propagate_on_container_move_assignment,
-                    typename absl::allocator_traits<HasPropagateOnMove>::
-                        propagate_on_container_move_assignment>::value));
-  EXPECT_TRUE(
-      (std::is_same<std::false_type,
-                    typename absl::allocator_traits<
-                        A>::propagate_on_container_move_assignment>::value));
-
-  struct HasPropagateOnSwap {
-    using value_type = X;
-    struct propagate_on_container_swap {};
-  };
-
-  EXPECT_TRUE(
-      (std::is_same<HasPropagateOnSwap::propagate_on_container_swap,
-                    typename absl::allocator_traits<HasPropagateOnSwap>::
-                        propagate_on_container_swap>::value));
-  EXPECT_TRUE(
-      (std::is_same<std::false_type, typename absl::allocator_traits<A>::
-                                         propagate_on_container_swap>::value));
-
-  struct HasIsAlwaysEqual {
-    using value_type = X;
-    struct is_always_equal {};
-  };
-
-  EXPECT_TRUE((std::is_same<HasIsAlwaysEqual::is_always_equal,
-                            typename absl::allocator_traits<
-                                HasIsAlwaysEqual>::is_always_equal>::value));
-  EXPECT_TRUE((std::is_same<std::true_type, typename absl::allocator_traits<
-                                                A>::is_always_equal>::value));
-  struct NonEmpty {
-    using value_type = X;
-    int i;
-  };
-  EXPECT_TRUE(
-      (std::is_same<std::false_type,
-                    absl::allocator_traits<NonEmpty>::is_always_equal>::value));
-}
-
-template <typename T>
-struct AllocWithPrivateInheritance : private std::allocator<T> {
-  using value_type = T;
-};
-
-TEST(AllocatorTraits, RebindWithPrivateInheritance) {
-  // Regression test for some versions of gcc that do not like the sfinae we
-  // used in combination with private inheritance.
-  EXPECT_TRUE(
-      (std::is_same<AllocWithPrivateInheritance<int>,
-                    absl::allocator_traits<AllocWithPrivateInheritance<char>>::
-                        rebind_alloc<int>>::value));
-}
-
-template <typename T>
-struct Rebound {};
-
-struct AllocWithRebind {
-  using value_type = int;
-  template <typename T>
-  struct rebind {
-    using other = Rebound<T>;
-  };
-};
-
-template <typename T, typename U>
-struct AllocWithoutRebind {
-  using value_type = int;
-};
-
-TEST(AllocatorTraits, Rebind) {
-  EXPECT_TRUE(
-      (std::is_same<Rebound<int>,
-                    typename absl::allocator_traits<
-                        AllocWithRebind>::template rebind_alloc<int>>::value));
-  EXPECT_TRUE(
-      (std::is_same<absl::allocator_traits<Rebound<int>>,
-                    typename absl::allocator_traits<
-                        AllocWithRebind>::template rebind_traits<int>>::value));
-
-  EXPECT_TRUE(
-      (std::is_same<AllocWithoutRebind<double, char>,
-                    typename absl::allocator_traits<AllocWithoutRebind<
-                        int, char>>::template rebind_alloc<double>>::value));
-  EXPECT_TRUE(
-      (std::is_same<absl::allocator_traits<AllocWithoutRebind<double, char>>,
-                    typename absl::allocator_traits<AllocWithoutRebind<
-                        int, char>>::template rebind_traits<double>>::value));
-}
-
-struct TestValue {
-  TestValue() {}
-  explicit TestValue(int* trace) : trace(trace) { ++*trace; }
-  ~TestValue() {
-    if (trace) --*trace;
-  }
-  int* trace = nullptr;
-};
-
-struct MinimalMockAllocator {
-  MinimalMockAllocator() : value(0) {}
-  explicit MinimalMockAllocator(int value) : value(value) {}
-  MinimalMockAllocator(const MinimalMockAllocator& other)
-      : value(other.value) {}
-  using value_type = TestValue;
-  MOCK_METHOD(value_type*, allocate, (size_t));
-  MOCK_METHOD(void, deallocate, (value_type*, size_t));
-
-  int value;
-};
-
-TEST(AllocatorTraits, FunctionsMinimal) {
-  int trace = 0;
-  int hint;
-  TestValue x(&trace);
-  MinimalMockAllocator mock;
-  using Traits = absl::allocator_traits<MinimalMockAllocator>;
-  EXPECT_CALL(mock, allocate(7)).WillRepeatedly(Return(&x));
-  EXPECT_CALL(mock, deallocate(&x, 7));
-
-  EXPECT_EQ(&x, Traits::allocate(mock, 7));
-  static_cast<void>(Traits::allocate(mock, 7, static_cast<const void*>(&hint)));
-  EXPECT_EQ(&x, Traits::allocate(mock, 7, static_cast<const void*>(&hint)));
-  Traits::deallocate(mock, &x, 7);
-
-  EXPECT_EQ(1, trace);
-  Traits::construct(mock, &x, &trace);
-  EXPECT_EQ(2, trace);
-  Traits::destroy(mock, &x);
-  EXPECT_EQ(1, trace);
-
-  EXPECT_EQ(std::numeric_limits<size_t>::max() / sizeof(TestValue),
-            Traits::max_size(mock));
-
-  EXPECT_EQ(0, mock.value);
-  EXPECT_EQ(0, Traits::select_on_container_copy_construction(mock).value);
-}
-
-struct FullMockAllocator {
-  FullMockAllocator() : value(0) {}
-  explicit FullMockAllocator(int value) : value(value) {}
-  FullMockAllocator(const FullMockAllocator& other) : value(other.value) {}
-  using value_type = TestValue;
-  MOCK_METHOD(value_type*, allocate, (size_t));
-  MOCK_METHOD(value_type*, allocate, (size_t, const void*));
-  MOCK_METHOD(void, construct, (value_type*, int*));
-  MOCK_METHOD(void, destroy, (value_type*));
-  MOCK_METHOD(size_t, max_size, (),
-              (const));
-  MOCK_METHOD(FullMockAllocator, select_on_container_copy_construction, (),
-              (const));
-
-  int value;
-};
-
-TEST(AllocatorTraits, FunctionsFull) {
-  int trace = 0;
-  int hint;
-  TestValue x(&trace), y;
-  FullMockAllocator mock;
-  using Traits = absl::allocator_traits<FullMockAllocator>;
-  EXPECT_CALL(mock, allocate(7)).WillRepeatedly(Return(&x));
-  EXPECT_CALL(mock, allocate(13, &hint)).WillRepeatedly(Return(&y));
-  EXPECT_CALL(mock, construct(&x, &trace));
-  EXPECT_CALL(mock, destroy(&x));
-  EXPECT_CALL(mock, max_size()).WillRepeatedly(Return(17));
-  EXPECT_CALL(mock, select_on_container_copy_construction())
-      .WillRepeatedly(Return(FullMockAllocator(23)));
-
-  EXPECT_EQ(&x, Traits::allocate(mock, 7));
-  EXPECT_EQ(&y, Traits::allocate(mock, 13, static_cast<const void*>(&hint)));
-
-  EXPECT_EQ(1, trace);
-  Traits::construct(mock, &x, &trace);
-  EXPECT_EQ(1, trace);
-  Traits::destroy(mock, &x);
-  EXPECT_EQ(1, trace);
-
-  EXPECT_EQ(17, Traits::max_size(mock));
-
-  EXPECT_EQ(0, mock.value);
-  EXPECT_EQ(23, Traits::select_on_container_copy_construction(mock).value);
-}
-
-TEST(AllocatorNoThrowTest, DefaultAllocator) {
-#if defined(ABSL_ALLOCATOR_NOTHROW) && ABSL_ALLOCATOR_NOTHROW
-  EXPECT_TRUE(absl::default_allocator_is_nothrow::value);
-#else
-  EXPECT_FALSE(absl::default_allocator_is_nothrow::value);
-#endif
-}
-
-TEST(AllocatorNoThrowTest, StdAllocator) {
-#if defined(ABSL_ALLOCATOR_NOTHROW) && ABSL_ALLOCATOR_NOTHROW
-  EXPECT_TRUE(absl::allocator_is_nothrow<std::allocator<int>>::value);
-#else
-  EXPECT_FALSE(absl::allocator_is_nothrow<std::allocator<int>>::value);
-#endif
-}
-
-TEST(AllocatorNoThrowTest, CustomAllocator) {
-  struct NoThrowAllocator {
-    using is_nothrow = std::true_type;
-  };
-  struct CanThrowAllocator {
-    using is_nothrow = std::false_type;
-  };
-  struct UnspecifiedAllocator {};
-  EXPECT_TRUE(absl::allocator_is_nothrow<NoThrowAllocator>::value);
-  EXPECT_FALSE(absl::allocator_is_nothrow<CanThrowAllocator>::value);
-  EXPECT_FALSE(absl::allocator_is_nothrow<UnspecifiedAllocator>::value);
-}
-
-}  // namespace
-- 
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