Imported Upstream version 1.51.0upstream/1.51.0

1 files changed, 38 insertions, 0 deletions

diff --git a/libs/thread/test/sync/mutual_exclusion/locks/unique_lock/obs/mutex_pass.cpp b/libs/thread/test/sync/mutual_exclusion/locks/unique_lock/obs/mutex_pass.cpp
new file mode 100644
index 0000000000..8eb924205f
--- /dev/null
+++ b/libs/thread/test/sync/mutual_exclusion/locks/unique_lock/obs/mutex_pass.cpp
@@ -0,0 +1,38 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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;
+
+// Mutex *mutex() const;
+
+#include <boost/thread/locks.hpp>
+#include <boost/thread/mutex.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+boost::mutex m;
+
+int main()
+{
+  boost::unique_lock<boost::mutex> lk0;
+  BOOST_TEST(lk0.mutex() == 0);
+  boost::unique_lock<boost::mutex> lk1(m);
+  BOOST_TEST(lk1.mutex() == &m);
+  lk1.unlock();
+  BOOST_TEST(lk1.mutex() == &m);
+
+  return boost::report_errors();
+}
+