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-rw-r--r--libs/smart_ptr/test/weak_from_this_test.cpp52
1 files changed, 52 insertions, 0 deletions
diff --git a/libs/smart_ptr/test/weak_from_this_test.cpp b/libs/smart_ptr/test/weak_from_this_test.cpp
new file mode 100644
index 000000000..1a874e16f
--- /dev/null
+++ b/libs/smart_ptr/test/weak_from_this_test.cpp
@@ -0,0 +1,52 @@
+#include <boost/config.hpp>
+
+//
+// weak_from_this_test.cpp
+//
+// Copyright (c) 2002, 2003, 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/enable_shared_from_this.hpp>
+#include <boost/shared_ptr.hpp>
+#include <boost/weak_ptr.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+class V: public boost::enable_shared_from_this<V>
+{
+};
+
+void test()
+{
+ boost::shared_ptr<V> p( new V );
+
+ boost::weak_ptr<V> q = p;
+ BOOST_TEST( !q.expired() );
+
+ boost::weak_ptr<V> q2 = p->weak_from_this();
+ BOOST_TEST( !q2.expired() );
+ BOOST_TEST( !(q < q2) && !(q2 < q) );
+
+ V v2( *p );
+
+ boost::weak_ptr<V> q3 = v2.weak_from_this();
+ BOOST_TEST( q3.expired() );
+
+ *p = V();
+
+ boost::weak_ptr<V> q4 = p->shared_from_this();
+ BOOST_TEST( !q4.expired() );
+ BOOST_TEST( !(q < q4) && !(q4 < q) );
+ BOOST_TEST( !(q2 < q4) && !(q4 < q2) );
+}
+
+int main()
+{
+ test();
+ return boost::report_errors();
+}