1 files changed, 76 insertions, 0 deletions
diff --git a/src/boost/libs/thread/test/sync/mutual_exclusion/locks/upgrade_lock/locking/try_lock_until_pass.cpp b/src/boost/libs/thread/test/sync/mutual_exclusion/locks/upgrade_lock/locking/try_lock_until_pass.cpp
new file mode 100644
index 000000000..1c53d6a5b
--- /dev/null
+++ b/src/boost/libs/thread/test/sync/mutual_exclusion/locks/upgrade_lock/locking/try_lock_until_pass.cpp
@@ -0,0 +1,76 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// Copyright (C) 2011 Vicente J. Botet Escriba
+//
+//  Distributed under the Boost Software License, Version 1.0. (See accompanying
+//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+// <boost/thread/locks.hpp>
+
+// template <class Mutex> class upgrade_lock;
+
+// template <class Clock, class Duration>
+//   bool try_lock_until(const chrono::time_point<Clock, Duration>& abs_time);
+
+#include <boost/thread/lock_types.hpp>
+#include <boost/thread/shared_mutex.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+bool try_lock_until_called = false;
+
+struct shared_mutex
+{
+  template <class Clock, class Duration>
+  bool try_lock_upgrade_until(const boost::chrono::time_point<Clock, Duration>& abs_time)
+  {
+    typedef boost::chrono::milliseconds ms;
+    BOOST_TEST(Clock::now() - abs_time < ms(5));
+    try_lock_until_called = !try_lock_until_called;
+    return try_lock_until_called;
+  }
+  void unlock_upgrade()
+  {
+  }
+};
+
+shared_mutex m;
+
+int main()
+{
+  typedef boost::chrono::steady_clock Clock;
+  boost::upgrade_lock<shared_mutex> lk(m, boost::defer_lock);
+  BOOST_TEST(lk.try_lock_until(Clock::now()) == true);
+  BOOST_TEST(try_lock_until_called == true);
+  BOOST_TEST(lk.owns_lock() == true);
+  try
+  {
+    lk.try_lock_until(Clock::now());
+    BOOST_TEST(false);
+  }
+  catch (boost::system::system_error& e)
+  {
+    BOOST_TEST(e.code().value() == boost::system::errc::resource_deadlock_would_occur);
+  }
+  lk.unlock();
+  BOOST_TEST(lk.try_lock_until(Clock::now()) == false);
+  BOOST_TEST(try_lock_until_called == false);
+  BOOST_TEST(lk.owns_lock() == false);
+  lk.release();
+  try
+  {
+    lk.try_lock_until(Clock::now());
+    BOOST_TEST(false);
+  }
+  catch (boost::system::system_error& e)
+  {
+    BOOST_TEST(e.code().value() == boost::system::errc::operation_not_permitted);
+  }
+  return boost::report_errors();
+}