Imported from /home/lorry/working-area/delta_boost-tarball/boost_1_58_0.tar.bz2.HEADboost_1_58_0master

1 files changed, 60 insertions, 0 deletions

diff --git a/libs/smart_ptr/test/weak_from_this_test2.cpp b/libs/smart_ptr/test/weak_from_this_test2.cpp
new file mode 100644
index 000000000..05f3df2e6
--- /dev/null
+++ b/libs/smart_ptr/test/weak_from_this_test2.cpp
@@ -0,0 +1,60 @@
+//
+//  weak_from_this_test2.cpp
+//
+//  Tests weak_from_this in a destructor
+//
+//  Copyright (c) 2014, 2015 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/smart_ptr/enable_shared_from_this.hpp>
+#include <boost/weak_ptr.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+class X: public boost::enable_shared_from_this< X >
+{
+private:
+
+    boost::weak_ptr<X> px_;
+
+public:
+
+    X()
+    {
+        boost::weak_ptr<X> p1 = weak_from_this();
+        BOOST_TEST( p1._empty() );
+        BOOST_TEST( p1.expired() );
+    }
+
+    void check()
+    {
+        boost::weak_ptr<X> p2 = weak_from_this();
+        BOOST_TEST( !p2.expired() );
+
+        BOOST_TEST( p2.lock().get() == this );
+
+        px_ = p2;
+    }
+
+    ~X()
+    {
+        boost::weak_ptr<X> p3 = weak_from_this();
+        BOOST_TEST( p3.expired() );
+
+        BOOST_TEST( !(px_ < p3) && !(p3 < px_) );
+    }
+};
+
+int main()
+{
+    {
+        boost::shared_ptr< X > px( new X );
+        px->check();
+    }
+
+    return boost::report_errors();
+}