1 files changed, 72 insertions, 0 deletions
diff --git a/gcc-4.9/libstdc++-v3/testsuite/20_util/tuple/creation_functions/forward_as_tuple.cc b/gcc-4.9/libstdc++-v3/testsuite/20_util/tuple/creation_functions/forward_as_tuple.cc
new file mode 100644
index 000000000..c096f95c0
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/testsuite/20_util/tuple/creation_functions/forward_as_tuple.cc
@@ -0,0 +1,72 @@
+// { dg-options "-std=gnu++0x" }
+
+// 2010-04-30  Paolo Carlini  <paolo.carlini@oracle.com>
+//
+// Copyright (C) 2010-2014 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/>.
+
+// Tuple
+
+#include <tuple>
+#include <type_traits>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::forward_as_tuple();
+
+  VERIFY( std::get<0>(std::forward_as_tuple(-1)) == -1 );
+  VERIFY( (std::is_same<decltype(std::forward_as_tuple(-1)),
+	   std::tuple<int&&>>::value) );
+
+  const int i1 = 1;
+  const int i2 = 2;
+  const double d1 = 4.0;
+  auto t1 = std::forward_as_tuple(i1, i2, d1);
+  VERIFY( (std::is_same<decltype(t1), std::tuple<const int&,
+	   const int&, const double&>>::value) );
+  VERIFY( std::get<0>(t1) == i1 );
+  VERIFY( std::get<1>(t1) == i2 );
+  VERIFY( std::get<2>(t1) == d1 );
+
+  typedef const int a_type1[3];
+  a_type1 a1 = { -1, 1, 2 };
+  auto t2 = std::forward_as_tuple(a1);
+  VERIFY( (std::is_same<decltype(t2), std::tuple<a_type1&>>::value) );
+  VERIFY( std::get<0>(t2)[0] == a1[0] );
+  VERIFY( std::get<0>(t2)[1] == a1[1] );
+  VERIFY( std::get<0>(t2)[2] == a1[2] );
+
+  typedef int a_type2[2];
+  a_type2 a2 = { 2, -2 };
+  volatile int i4 = 1;
+  auto t3 = std::forward_as_tuple(a2, i4);
+  VERIFY( (std::is_same<decltype(t3), std::tuple<a_type2&,
+	   volatile int&>>::value) );
+  VERIFY( std::get<0>(t3)[0] == a2[0] );
+  VERIFY( std::get<0>(t3)[1] == a2[1] );
+  VERIFY( std::get<1>(t3) == i4 );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}