Function TEST

test/reusable/test_allocator.cpp:26–42

using ::google::protobuf::Arena;

TEST(UsesAllocatorConstructor, constructible_with_raw_args) {
  struct S {
    S() = default;
    S(int) {
      v = 1;
    }
    int v {0};
  } s;
  ASSERT_TRUE((Constructible<S, ::std::allocator<void>, int>::value));
  ASSERT_FALSE((Constructible<S, ::std::allocator<void>, int>::USES_ALLOCATOR));
  ASSERT_FALSE((Constructible<S, ::std::allocator<void>, int, int>::value));
  ASSERT_FALSE(
      (Constructible<S, ::std::allocator<void>, int, int>::USES_ALLOCATOR));
  s.~S();
  UsesAllocatorConstructor::construct(&s, ::std::allocator<void>(), 2);
  ASSERT_EQ(1, s.v);
}

TEST(UsesAllocatorConstructor, constructible_with_allocator) {
  struct S {