summaryrefslogtreecommitdiffstats
path: root/src/boost/libs/thread/test/sync/mutual_exclusion/locks/unique_lock/cons/make_unique_lock_try_to_lock_pass.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/boost/libs/thread/test/sync/mutual_exclusion/locks/unique_lock/cons/make_unique_lock_try_to_lock_pass.cpp')
-rw-r--r--src/boost/libs/thread/test/sync/mutual_exclusion/locks/unique_lock/cons/make_unique_lock_try_to_lock_pass.cpp146
1 files changed, 146 insertions, 0 deletions
diff --git a/src/boost/libs/thread/test/sync/mutual_exclusion/locks/unique_lock/cons/make_unique_lock_try_to_lock_pass.cpp b/src/boost/libs/thread/test/sync/mutual_exclusion/locks/unique_lock/cons/make_unique_lock_try_to_lock_pass.cpp
new file mode 100644
index 000000000..d0149d906
--- /dev/null
+++ b/src/boost/libs/thread/test/sync/mutual_exclusion/locks/unique_lock/cons/make_unique_lock_try_to_lock_pass.cpp
@@ -0,0 +1,146 @@
+// Copyright (C) 2012 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;
+// unique_lock<Mutex> make_unique_lock(Mutex&, try_to_lock_t);
+
+#define BOOST_THREAD_VERSION 4
+
+
+#include <boost/thread/lock_factories.hpp>
+#include <boost/thread/mutex.hpp>
+#include <boost/thread/thread.hpp>
+#include <boost/detail/lightweight_test.hpp>
+#include "../../../../../timming.hpp"
+
+boost::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();
+#if ! defined(BOOST_NO_CXX11_AUTO_DECLARATIONS)
+ auto
+#else
+ boost::unique_lock<boost::mutex>
+#endif
+ lk = boost::make_unique_lock(m, boost::try_to_lock);
+ BOOST_TEST(lk.owns_lock() == false);
+ t1 = Clock::now();
+ ns d = t1 - t0;
+ BOOST_THREAD_TEST_IT(d, ns(max_diff));
+ }
+ {
+ t0 = Clock::now();
+#if ! defined(BOOST_NO_CXX11_AUTO_DECLARATIONS)
+ auto
+#else
+ boost::unique_lock<boost::mutex>
+#endif
+ lk = boost::make_unique_lock(m, boost::try_to_lock);
+ BOOST_TEST(lk.owns_lock() == false);
+ t1 = Clock::now();
+ ns d = t1 - t0;
+ BOOST_THREAD_TEST_IT(d, ns(max_diff));
+ }
+ {
+ t0 = Clock::now();
+#if ! defined(BOOST_NO_CXX11_AUTO_DECLARATIONS)
+ auto
+#else
+ boost::unique_lock<boost::mutex>
+#endif
+ lk = boost::make_unique_lock(m, boost::try_to_lock);
+ BOOST_TEST(lk.owns_lock() == false);
+ t1 = Clock::now();
+ ns d = t1 - t0;
+ BOOST_THREAD_TEST_IT(d, ns(max_diff));
+ }
+ {
+ t0 = Clock::now();
+ for (;;)
+ {
+#if ! defined(BOOST_NO_CXX11_AUTO_DECLARATIONS)
+ auto
+#else
+ boost::unique_lock<boost::mutex>
+#endif
+ lk = boost::make_unique_lock(m, boost::try_to_lock);
+ if (lk.owns_lock()) {
+ t1 = Clock::now();
+ break;
+ }
+ }
+ }
+#else
+// time_point t0 = Clock::now();
+// {
+// boost::unique_lock<boost::mutex> lk(m, boost::try_to_lock);
+// BOOST_TEST(lk.owns_lock() == false);
+// }
+// {
+// boost::unique_lock<boost::mutex> lk(m, boost::try_to_lock);
+// BOOST_TEST(lk.owns_lock() == false);
+// }
+// {
+// boost::unique_lock<boost::mutex> lk(m, boost::try_to_lock);
+// BOOST_TEST(lk.owns_lock() == false);
+// }
+ for (;;)
+ {
+#if ! defined(BOOST_NO_CXX11_AUTO_DECLARATIONS)
+ auto
+#else
+ boost::unique_lock<boost::mutex>
+#endif
+ lk = boost::make_unique_lock(m, boost::try_to_lock);
+ if (lk.owns_lock()) break;
+ }
+ //time_point 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();
+}