1 files changed, 133 insertions, 0 deletions
diff --git a/src/boost/libs/thread/test/sync/futures/future/then_pass.cpp b/src/boost/libs/thread/test/sync/futures/future/then_pass.cpp
new file mode 100644
index 000000000..12270679b
--- /dev/null
+++ b/src/boost/libs/thread/test/sync/futures/future/then_pass.cpp
@@ -0,0 +1,133 @@
+// Copyright (C) 2012-2013 Vicente Botet
+//
+//  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/future.hpp>
+
+// class future<R>
+
+// template<typename F>
+// auto then(F&& func) -> future<decltype(func(*this))>;
+
+#define BOOST_THREAD_VERSION 4
+//#define BOOST_THREAD_USES_LOG
+#define BOOST_THREAD_USES_LOG_THREAD_ID
+#include <boost/thread/detail/log.hpp>
+
+#include <boost/thread/future.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+#if defined BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION
+
+#ifdef BOOST_MSVC
+#pragma warning(disable: 4127) // conditional expression is constant
+#endif
+
+int p1()
+{
+  BOOST_THREAD_LOG << "p1 < " << BOOST_THREAD_END_LOG;
+  boost::this_thread::sleep_for(boost::chrono::milliseconds(500));
+  BOOST_THREAD_LOG << "p1 >"  << BOOST_THREAD_END_LOG;
+  return 1;
+}
+
+int p2(boost::future<int> f)
+{
+  BOOST_THREAD_LOG << "p2 <" << &f << BOOST_THREAD_END_LOG;
+  BOOST_TEST(f.valid());
+  int i = f.get();
+  boost::this_thread::sleep_for(boost::chrono::milliseconds(500));
+  BOOST_THREAD_LOG << "p2 <" << &f << BOOST_THREAD_END_LOG;
+  return 2 * i;
+}
+
+void p3(boost::future<int> f)
+{
+  BOOST_THREAD_LOG << "p3 <" << &f << BOOST_THREAD_END_LOG;
+  BOOST_TEST(f.valid());
+  int i = f.get();
+  boost::this_thread::sleep_for(boost::chrono::milliseconds(500));
+  BOOST_THREAD_LOG << "p3 <" << &f << " " <<i << BOOST_THREAD_END_LOG;
+  return;
+}
+
+int main()
+{
+  BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
+  {
+    boost::future<int> f1 = boost::async(boost::launch::async, &p1);
+    BOOST_TEST(f1.valid());
+    boost::future<int> f2 = f1.then(&p2);
+    BOOST_TEST(f2.valid());
+    BOOST_TEST(! f1.valid());
+    try
+    {
+      BOOST_TEST(f2.get()==2);
+    }
+    catch (std::exception& ex)
+    {
+      BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG;
+      BOOST_TEST(false);
+    }
+    catch (...)
+    {
+      BOOST_THREAD_LOG << " ERRORRRRR exception thrown" << BOOST_THREAD_END_LOG;
+      BOOST_TEST(false);
+    }
+  }
+  BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
+  {
+    boost::future<int> f1 = boost::async(boost::launch::async, &p1);
+    BOOST_TEST(f1.valid());
+    boost::future<void> f2 = f1.then(&p3);
+    BOOST_TEST(f2.valid());
+    try
+    {
+      f2.wait();
+    }
+    catch (std::exception& ex)
+    {
+      BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG;
+      BOOST_TEST(false);
+    }
+    catch (...)
+    {
+      BOOST_THREAD_LOG << " ERRORRRRR exception thrown" << BOOST_THREAD_END_LOG;
+      BOOST_TEST(false);
+    }
+  }
+  BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
+  {
+    boost::future<int> f2 = boost::async(p1).then(&p2);
+    BOOST_TEST(f2.get()==2);
+  }
+  BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
+  {
+    boost::future<int> f1 = boost::async(p1);
+    boost::future<int> f21 = f1.then(&p2);
+    boost::future<int> f2= f21.then(&p2);
+    BOOST_TEST(f2.get()==4);
+  }
+  BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
+  {
+    boost::future<int> f1 = boost::async(p1);
+    boost::future<int> f2= f1.then(&p2).then(&p2);
+    BOOST_TEST(f2.get()==4);
+  }
+  BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
+  {
+    boost::future<int> f2 = boost::async(p1).then(&p2).then(&p2);
+    BOOST_TEST(f2.get()==4);
+  }
+
+  return boost::report_errors();
+}
+
+#else
+
+int main()
+{
+  return 0;
+}
+#endif