add subtree-ish sources for 12.0.3

[ceph.git] / ceph / src / boost / libs / move / test / move_if_noexcept.cpp

diff --git a/ceph/src/boost/libs/move/test/move_if_noexcept.cpp b/ceph/src/boost/libs/move/test/move_if_noexcept.cpp
new file mode 100644 (file)
index 0000000..a03a821
--- /dev/null
+++ b/ceph/src/boost/libs/move/test/move_if_noexcept.cpp
@@ -0,0 +1,230 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Antony Polukhin 2014.
+// (C) Copyright Ion Gaztanaga 2014.
+// 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)
+//
+// See http://www.boost.org/libs/move for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+#include <boost/move/detail/config_begin.hpp>
+#include <boost/move/utility.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include "../example/movable.hpp"
+#include "../example/copymovable.hpp"
+#include <boost/static_assert.hpp>
+
+//////////////////////////////////////////////////////////////////////////////
+//A copy_movable_noexcept class
+class copy_movable_noexcept
+{
+   BOOST_COPYABLE_AND_MOVABLE(copy_movable_noexcept)
+   int value_;
+
+   public:
+   copy_movable_noexcept() : value_(1){}
+
+   //Move constructor and assignment
+   copy_movable_noexcept(BOOST_RV_REF(copy_movable_noexcept) m)
+   {  value_ = m.value_;   m.value_ = 0;  }
+
+   copy_movable_noexcept(const copy_movable_noexcept &m)
+   {  value_ = m.value_;   }
+
+   copy_movable_noexcept & operator=(BOOST_RV_REF(copy_movable_noexcept) m)
+   {  value_ = m.value_;   m.value_ = 0;  return *this;  }
+
+   copy_movable_noexcept & operator=(BOOST_COPY_ASSIGN_REF(copy_movable_noexcept) m)
+   {  value_ = m.value_;   return *this;  }
+
+   bool moved() const //Observer
+   {  return value_ == 0; }
+};
+
+namespace boost{
+
+template<>
+struct has_nothrow_move<copy_movable_noexcept>
+{
+   static const bool value = true;
+};
+
+}  //namespace boost{
+
+//////////////////////////////////////////////////////////////////////////////
+//A movable_throwable class
+class movable_throwable
+{
+   BOOST_MOVABLE_BUT_NOT_COPYABLE(movable_throwable)
+   int value_;
+
+   public:
+   movable_throwable() : value_(1){}
+
+   //Move constructor and assignment
+   movable_throwable(BOOST_RV_REF(movable_throwable) m)
+   {  value_ = m.value_;   m.value_ = 0;  }
+
+   movable_throwable & operator=(BOOST_RV_REF(movable_throwable) m)
+   {  value_ = m.value_;   m.value_ = 0;  return *this;  }
+
+   bool moved() const //Observer
+   {  return !value_; }
+
+   int value() const //Observer
+   {  return value_; }
+};
+
+
+//////////////////////////////////////////////////////////////////////////////
+// Helper functions
+movable function(movable m)
+{
+   return movable(boost::move_if_noexcept(m));
+}
+
+copy_movable function(copy_movable m)
+{
+   return copy_movable(boost::move_if_noexcept(m));
+}
+
+copy_movable_noexcept function(copy_movable_noexcept m)
+{
+   return copy_movable_noexcept(boost::move_if_noexcept(m));
+}
+
+movable_throwable function(movable_throwable m)
+{
+   return movable_throwable(boost::move_if_noexcept(m));
+}
+
+movable functionr(BOOST_RV_REF(movable) m)
+{
+   return movable(boost::move_if_noexcept(m));
+}
+
+movable function2(movable m)
+{
+   return boost::move_if_noexcept(m);
+}
+
+BOOST_RV_REF(movable) function2r(BOOST_RV_REF(movable) m)
+{
+   return boost::move_if_noexcept(m);
+}
+
+movable move_return_function2 ()
+{
+    return movable();
+}
+
+movable move_return_function ()
+{
+    movable m;
+    return (boost::move_if_noexcept(m));
+}
+
+#define BOOST_CHECK(x) if (!(x)) { return __LINE__; }
+
+int main()
+{
+   {
+      movable m;
+      movable m2(boost::move_if_noexcept(m));
+      BOOST_CHECK(m.moved());
+      movable m3(function(movable(boost::move_if_noexcept(m2))));
+      BOOST_CHECK(m2.moved());
+      movable m4(function(boost::move_if_noexcept(m3)));
+      BOOST_CHECK(m3.moved());
+      BOOST_CHECK(!m4.moved());
+   }
+   {
+      movable m;
+      movable m2(boost::move_if_noexcept(m));
+      BOOST_CHECK(m.moved());
+      movable m3(functionr(movable(boost::move_if_noexcept(m2))));
+      BOOST_CHECK(m2.moved());
+      movable m4(functionr(boost::move_if_noexcept(m3)));
+      BOOST_CHECK(m3.moved());
+      BOOST_CHECK(!m4.moved());
+   }
+   {
+      movable m;
+      movable m2(boost::move_if_noexcept(m));
+      BOOST_CHECK(m.moved());
+      movable m3(function2(movable(boost::move_if_noexcept(m2))));
+      BOOST_CHECK(m2.moved());
+      movable m4(function2(boost::move_if_noexcept(m3)));
+      BOOST_CHECK(m3.moved());
+      BOOST_CHECK(!m4.moved());
+   }
+   {
+      movable m;
+      movable m2(boost::move_if_noexcept(m));
+      BOOST_CHECK(m.moved());
+      movable m3(function2r(movable(boost::move_if_noexcept(m2))));
+      BOOST_CHECK(m2.moved());
+      movable m4(function2r(boost::move_if_noexcept(m3)));
+      BOOST_CHECK(m3.moved());
+      BOOST_CHECK(!m4.moved());
+   }
+   {
+      movable m;
+      movable m2(boost::move_if_noexcept(m));
+      BOOST_CHECK(m.moved());
+      BOOST_CHECK(!m2.moved());
+      movable m3(move_return_function());
+      BOOST_CHECK(!m3.moved());
+   }
+   {
+      movable m;
+      movable m2(boost::move_if_noexcept(m));
+      BOOST_CHECK(m.moved());
+      BOOST_CHECK(!m2.moved());
+      movable m3(move_return_function2());
+      BOOST_CHECK(!m3.moved());
+   }
+
+   // copy_movable may throw during move, so it must be copied
+   {
+      copy_movable m;
+      copy_movable m2(boost::move_if_noexcept(m));
+      BOOST_CHECK(!m.moved());
+      copy_movable m3(function(copy_movable(boost::move_if_noexcept(m2))));
+      BOOST_CHECK(!m2.moved());
+      copy_movable m4(function(boost::move_if_noexcept(m3)));
+      BOOST_CHECK(!m3.moved());
+      BOOST_CHECK(!m4.moved());
+   }
+
+
+   // copy_movable_noexcept can not throw during move
+   {
+      copy_movable_noexcept m;
+      copy_movable_noexcept m2(boost::move_if_noexcept(m));
+      BOOST_CHECK(m.moved());
+      copy_movable_noexcept m3(function(copy_movable_noexcept(boost::move_if_noexcept(m2))));
+      BOOST_CHECK(m2.moved());
+      copy_movable_noexcept m4(function(boost::move_if_noexcept(m3)));
+      BOOST_CHECK(m3.moved());
+      BOOST_CHECK(!m4.moved());
+   }
+
+   // movable_throwable can not throw during move but it has no copy constructor
+   {
+      movable_throwable m;
+      movable_throwable m2(boost::move_if_noexcept(m));
+      BOOST_CHECK(m.moved());
+      movable_throwable m3(function(movable_throwable(boost::move_if_noexcept(m2))));
+      BOOST_CHECK(m2.moved());
+      movable_throwable m4(function(boost::move_if_noexcept(m3)));
+      BOOST_CHECK(m3.moved());
+      BOOST_CHECK(!m4.moved());
+   }
+
+   return boost::report_errors();
+}
+
+#include <boost/move/detail/config_end.hpp>