1 files changed, 73 insertions, 0 deletions
diff --git a/libs/thread/test/sync/mutual_exclusion/locks/unique_lock/locking/try_lock_pass.cpp b/libs/thread/test/sync/mutual_exclusion/locks/unique_lock/locking/try_lock_pass.cpp
new file mode 100644
index 0000000000..af7a8408b3
--- /dev/null
+++ b/libs/thread/test/sync/mutual_exclusion/locks/unique_lock/locking/try_lock_pass.cpp
@@ -0,0 +1,73 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 unique_lock;
+
+// template <class Rep, class Period>
+//   bool try_lock_for(const chrono::duration<Rep, Period>& rel_time);
+
+#include <boost/thread/locks.hpp>
+//#include <boost/thread/mutex.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+bool try_lock_called = false;
+
+struct mutex
+{
+  bool try_lock()
+  {
+    try_lock_called = !try_lock_called;
+    return try_lock_called;
+  }
+  void unlock()
+  {
+  }
+};
+
+mutex m;
+
+int main()
+{
+  boost::unique_lock<mutex> lk(m, boost::defer_lock);
+  BOOST_TEST(lk.try_lock() == true);
+  BOOST_TEST(try_lock_called == true);
+  BOOST_TEST(lk.owns_lock() == true);
+  try
+  {
+    lk.try_lock();
+    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() == false);
+  BOOST_TEST(try_lock_called == false);
+  BOOST_TEST(lk.owns_lock() == false);
+  lk.release();
+  try
+  {
+    lk.try_lock();
+    BOOST_TEST(false);
+  }
+  catch (boost::system::system_error& e)
+  {
+    BOOST_TEST(e.code().value() == boost::system::errc::operation_not_permitted);
+  }
+
+  return boost::report_errors();
+}