From 2fbec91fe86ce6733d4ff7ca2039fb7b236ae5ab Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@pdimov.com>
Date: Tue, 10 Jun 2014 03:31:28 +0300
Subject: [PATCH] Add negative tests for cref() and rvalues.

---
 test/Jamfile.v2       |  2 ++
 test/ref_rv_fail4.cpp | 23 +++++++++++++++++++++++
 test/ref_rv_fail5.cpp | 27 +++++++++++++++++++++++++++
 3 files changed, 52 insertions(+)
 create mode 100644 test/ref_rv_fail4.cpp
 create mode 100644 test/ref_rv_fail5.cpp

diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index f34efe4..d88d6cb 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -22,6 +22,8 @@ run ref_test.cpp ;
 compile-fail ref_rv_fail1.cpp ;
 compile-fail ref_rv_fail2.cpp ;
 compile-fail ref_rv_fail3.cpp ;
+compile-fail ref_rv_fail4.cpp ;
+compile-fail ref_rv_fail5.cpp ;
 compile-fail ref_implicit_fail.cpp ;
 compile-fail ref_implicit_fail2.cpp ;
 
diff --git a/test/ref_rv_fail4.cpp b/test/ref_rv_fail4.cpp
new file mode 100644
index 0000000..7f49123
--- /dev/null
+++ b/test/ref_rv_fail4.cpp
@@ -0,0 +1,23 @@
+//
+// Test that an rvalue can't be passed to cref()
+//
+// Copyright 2014 Agustin Berge
+// Copyright 2014 Peter Dimov
+//
+// 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
+//
+
+#include <boost/ref.hpp>
+
+#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+
+int main()
+{
+    boost::reference_wrapper<int const> r = boost::cref( 2 ); // should fail
+}
+
+#else
+#  error To fail, this test requires rvalue references.
+#endif
diff --git a/test/ref_rv_fail5.cpp b/test/ref_rv_fail5.cpp
new file mode 100644
index 0000000..84bc467
--- /dev/null
+++ b/test/ref_rv_fail5.cpp
@@ -0,0 +1,27 @@
+//
+// Test that a const rvalue can't be passed to cref()
+//
+// Copyright 2014 Agustin Berge
+// Copyright 2014 Peter Dimov
+//
+// 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
+//
+
+#include <boost/ref.hpp>
+
+#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+
+struct X {};
+
+X const crv() { return X(); }
+
+int main()
+{
+    boost::reference_wrapper<X const> r = boost::cref( crv() ); // must fail
+}
+
+#else
+#  error To fail, this test requires rvalue references.
+#endif