Move CountingAllocator into test_allocator.h and add some other allocators that can be shared between different container tests.

PiperOrigin-RevId: 565693736
Change-Id: I59af987e30da03a805ce59ff0fb7eeae3fc08293

1 files changed, 1 insertions, 28 deletions

diff --git a/absl/container/internal/raw_hash_set_test.cc b/absl/container/internal/raw_hash_set_test.cc
index 55c6f62e..7588120a 100644
--- a/absl/container/internal/raw_hash_set_test.cc
+++ b/absl/container/internal/raw_hash_set_test.cc
@@ -48,6 +48,7 @@
 #include "absl/container/internal/hash_function_defaults.h"
 #include "absl/container/internal/hash_policy_testing.h"
 #include "absl/container/internal/hashtable_debug.h"
+#include "absl/container/internal/test_allocator.h"
 #include "absl/log/log.h"
 #include "absl/strings/string_view.h"
 
@@ -441,34 +442,6 @@ struct CustomAllocIntTable
   using Base::Base;
 };
 
-// Tries to allocate memory at the minimum alignment even when the default
-// allocator uses a higher alignment.
-template <typename T>
-struct MinimumAlignmentAlloc : std::allocator<T> {
-  MinimumAlignmentAlloc() = default;
-
-  template <typename U>
-  explicit MinimumAlignmentAlloc(const MinimumAlignmentAlloc<U>& /*other*/) {}
-
-  template <class U>
-  struct rebind {
-    using other = MinimumAlignmentAlloc<U>;
-  };
-
-  T* allocate(size_t n) {
-    T* ptr = std::allocator<T>::allocate(n + 1);
-    char* cptr = reinterpret_cast<char*>(ptr);
-    cptr += alignof(T);
-    return reinterpret_cast<T*>(cptr);
-  }
-
-  void deallocate(T* ptr, size_t n) {
-    char* cptr = reinterpret_cast<char*>(ptr);
-    cptr -= alignof(T);
-    std::allocator<T>::deallocate(reinterpret_cast<T*>(cptr), n + 1);
-  }
-};
-
 struct MinimumAlignmentUint8Table
     : raw_hash_set<Uint8Policy, container_internal::hash_default_hash<uint8_t>,
                    std::equal_to<uint8_t>, MinimumAlignmentAlloc<uint8_t>> {