1 files changed, 88 insertions, 0 deletions
diff --git a/src/boost/libs/thread/test/sync/mutual_exclusion/locks/upgrade_lock/cons/mutex_pass.cpp b/src/boost/libs/thread/test/sync/mutual_exclusion/locks/upgrade_lock/cons/mutex_pass.cpp
new file mode 100644
index 000000000..1e634807d
--- /dev/null
+++ b/src/boost/libs/thread/test/sync/mutual_exclusion/locks/upgrade_lock/cons/mutex_pass.cpp
@@ -0,0 +1,88 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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;
+
+// explicit upgrade_lock(Mutex& m);
+
+
+#include <boost/thread/lock_types.hpp>
+#include <boost/thread/shared_mutex.hpp>
+#include <boost/thread/thread.hpp>
+#include <boost/detail/lightweight_test.hpp>
+#include <iostream>
+#include "../../../../../timming.hpp"
+
+boost::shared_mutex m;
+
+#if defined BOOST_THREAD_USES_CHRONO
+typedef boost::chrono::high_resolution_clock Clock;
+typedef Clock::time_point time_point;
+typedef Clock::duration duration;
+typedef boost::chrono::milliseconds ms;
+typedef boost::chrono::nanoseconds ns;
+time_point t0;
+time_point t1;
+#else
+#endif
+
+const ms max_diff(BOOST_THREAD_TEST_TIME_MS);
+
+void f()
+{
+#if defined BOOST_THREAD_USES_CHRONO
+  t0 = Clock::now();
+  {
+    boost::upgrade_lock<boost::shared_mutex> ul(m);
+    t1 = Clock::now();
+  }
+#else
+  //time_point t0 = Clock::now();
+  //time_point t1;
+  {
+    boost::upgrade_lock<boost::shared_mutex> ul(m);
+    //t1 = Clock::now();
+  }
+  //ns d = t1 - t0 - ms(250);
+  //BOOST_TEST(d < max_diff);
+#endif
+}
+
+int main()
+{
+  m.lock();
+  boost::thread t(f);
+#if defined BOOST_THREAD_USES_CHRONO
+  time_point t2 = Clock::now();
+  boost::this_thread::sleep_for(ms(250));
+  time_point t3 = Clock::now();
+#else
+#endif
+  m.unlock();
+  t.join();
+
+#if defined BOOST_THREAD_USES_CHRONO
+  ns sleep_time = t3 - t2;
+  ns d_ns = t1 - t0 - sleep_time;
+  ms d_ms = boost::chrono::duration_cast<boost::chrono::milliseconds>(d_ns);
+  // BOOST_TEST_GE(d_ms.count(), 0);
+  BOOST_THREAD_TEST_IT(d_ms, max_diff);
+  BOOST_THREAD_TEST_IT(d_ns, ns(max_diff));
+#endif
+
+  return boost::report_errors();
+}
+