--- /dev/null
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2008, 2009 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 Pred 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/>.
+
+// 23.2.3.n forward_list xxx [lib.forward_list.xxx]
+
+#include <forward_list>
+#include <testsuite_hooks.h>
+#include <ext/extptr_allocator.h>
+
+using __gnu_cxx::_ExtPtr_allocator;
+
+bool test __attribute__((unused)) = true;
+
+// This test verifies the following:
+// unique
+void
+test01()
+{
+ std::forward_list<int, _ExtPtr_allocator<int> > fl =
+ {99, 5, 99, 6, -5, 666, 777, 888, 42, 42, 42, 42, 42, 7, 0, 0, 0, 9, 9, 9};
+
+ fl.unique();
+
+ std::forward_list<int, _ExtPtr_allocator<int> > fl2 =
+ {99, 5, 99, 6, -5, 666, 777, 888, 42, 7, 0, 9};
+
+ VERIFY(fl == fl2);
+}
+
+// Test comparison predicate.
+template<typename Num>
+ class Mod
+ {
+ public:
+ Mod(const Num & mod)
+ {
+ m = mod;
+ }
+ bool operator()(const Num i, const Num j)
+ {
+ return i%m == j%m;
+ }
+ private:
+ Num m;
+ };
+
+// This test verifies the following:
+// unique with predicate
+void
+test02()
+{
+ std::forward_list<int, _ExtPtr_allocator<int> > fl =
+ {99, 5, 99, 6, -5, 666, 777, 888, 42, 7, 0, 9};
+
+ fl.unique(Mod<int>(111));
+
+ std::forward_list<int, _ExtPtr_allocator<int> > fl2 =
+ {99, 5, 99, 6, -5, 666, 42, 7, 0, 9};
+
+ VERIFY(fl == fl2);
+}
+
+int
+main()
+{
+ test01();
+ test02();
+ return 0;
+}