1 files changed, 87 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/experimental/memory_resource/resource_adaptor.cc b/libstdc++-v3/testsuite/experimental/memory_resource/resource_adaptor.cc
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index 00000000000..299bb72ea4b
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+++ b/libstdc++-v3/testsuite/experimental/memory_resource/resource_adaptor.cc
@@ -0,0 +1,87 @@
+// { dg-options "-std=gnu++14" }
+
+// Copyright (C) 2016 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <experimental/memory_resource>
+#include <testsuite_hooks.h>
+#include <testsuite_allocator.h>
+
+using std::experimental::pmr::memory_resource;
+using std::experimental::pmr::resource_adaptor;
+
+template<typename T>
+  struct Allocator : __gnu_test::SimpleAllocator<T>
+  {
+    Allocator(int) { } // not default constructible
+
+    template<typename U>
+      Allocator(const Allocator<U>&) { }
+  };
+
+template<typename T>
+  bool aligned(void* p)
+  {
+    return (reinterpret_cast<std::uintptr_t>(p) % alignof(T)) == 0;
+  }
+
+// resource_adaptor
+void
+test05()
+{
+  bool test __attribute((unused)) = false;
+  using std::max_align_t;
+  using std::uintptr_t;
+  void* p = nullptr;
+
+  Allocator<int> a1(1), a2(2); // minimal interface allocators
+  resource_adaptor<decltype(a1)> r1(a1), r2(a2);
+  VERIFY( r1 == r1 );
+  VERIFY( r1 == r2 );
+  p = r1.allocate(1);
+  VERIFY( aligned<max_align_t>(p) );
+  r1.deallocate(p, 1);
+  p = r1.allocate(1, alignof(short));
+  VERIFY( aligned<short>(p) );
+  r1.deallocate(p, 1, alignof(short));
+  p = r1.allocate(1, alignof(long));
+  VERIFY( aligned<long>(p) );
+  r1.deallocate(p, 1, alignof(long));
+
+  __gnu_test::uneq_allocator<double> a3(3), a4(4); // non-equal allocators
+  resource_adaptor<decltype(a3)> r3(a3), r4(a4);
+  VERIFY( r3 == r3 );
+  VERIFY( r4 == r4 );
+  VERIFY( r3 != r4 );
+  p = r3.allocate(1);
+  VERIFY( aligned<max_align_t>(p) );
+  r3.deallocate(p, 1);
+  p = r3.allocate(1, alignof(short));
+  VERIFY( aligned<short>(p) );
+  r3.deallocate(p, 1, alignof(short));
+  p = r3.allocate(1, alignof(long));
+  VERIFY( aligned<long>(p) );
+  r3.deallocate(p, 1, alignof(long));
+
+  // TODO test with an allocator that doesn't use new or malloc, so
+  // returns pointers that are not suitably aligned for any type.
+}
+
+int main()
+{
+  test05();
+}