1 files changed, 39 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/20_util/system_clock/1.cc b/libstdc++-v3/testsuite/20_util/system_clock/1.cc
new file mode 100644
index 000000000..ead20873c
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/system_clock/1.cc
@@ -0,0 +1,39 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// Copyright (C) 2008, 2009, 2010 Free Software Foundation
+//
+// 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/>.
+
+// 20.8.5 Clocks [time.clock]
+
+#include <chrono>
+
+// 20.8.5.1 system_clock [time.clock.system]
+int
+main()
+{
+  using namespace std::chrono;
+
+  system_clock::time_point t1 = system_clock::now();
+  bool is_monotonic = system_clock::is_monotonic;
+  is_monotonic = is_monotonic; // suppress unused warning
+  std::time_t t2 = system_clock::to_time_t(t1);
+  system_clock::time_point t3 = system_clock::from_time_t(t2);
+  t3 = t3; // suppress unused warning
+  
+  return 0;
+}