Merge branch 'develop' of https://github.com/boostorg/smart_ptr into cppbuilder

test/Jamfile

@@ -352,3 +352,12 @@ run allocate_unique_noinit_test.cpp ;
 run allocate_unique_test.cpp ;
 run allocate_unique_throws_test.cpp ;
 run allocate_unique_value_test.cpp ;
+
+run sp_guides_test.cpp ;
+run sp_guides_test2.cpp ;
+run wp_guides_test.cpp ;
+
+compile-fail shared_from_fail.cpp ;
+compile-fail weak_from_fail.cpp ;
+
+compile sp_override_test.cpp ;

test/shared_from_fail.cpp

@@ -0,0 +1,22 @@
+// Copyright 2020 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/shared_ptr.hpp>
+#include <boost/smart_ptr/enable_shared_from.hpp>
+
+struct X: public boost::enable_shared_from
+{
+};
+
+#if defined(__clang__) && defined(_MSC_VER)
+// clang-cl claims that it accepts this code for compatibility
+// with msvc, but no version of msvc accepts it
+#  pragma clang diagnostic error "-Wmicrosoft-using-decl"
+#endif
+
+int main()
+{
+    boost::shared_ptr<X> px( new X );
+    px->shared_from_this();
+}

test/sp_guides_test.cpp

@@ -0,0 +1,25 @@
+// Copyright 2020 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#if defined(__cpp_deduction_guides)
+
+#include <boost/shared_ptr.hpp>
+#include <boost/weak_ptr.hpp>
+
+int main()
+{
+    boost::shared_ptr<int> p1( new int );
+    boost::weak_ptr<int> p2( p1 );
+    boost::shared_ptr p3( p2 );
+}
+
+#else
+
+#include <boost/config/pragma_message.hpp>
+
+BOOST_PRAGMA_MESSAGE( "Skipping test because __cpp_deduction_guides is not defined" )
+
+int main() {}
+
+#endif

test/sp_guides_test2.cpp

@@ -0,0 +1,23 @@
+// Copyright 2020 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#if defined(__cpp_deduction_guides)
+
+#include <boost/shared_ptr.hpp>
+#include <memory>
+
+int main()
+{
+    boost::shared_ptr p2( std::unique_ptr<int>( new int ) );
+}
+
+#else
+
+#include <boost/config/pragma_message.hpp>
+
+BOOST_PRAGMA_MESSAGE( "Skipping test because __cpp_deduction_guides is not defined" )
+
+int main() {}
+
+#endif

test/sp_override_test.cpp

@@ -0,0 +1,18 @@
+// Copyright 2020 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#if defined(__GNUC__) && __GNUC__ >= 5 && __cplusplus >= 201103L
+# pragma GCC diagnostic error "-Wsuggest-override"
+#endif
+
+#include <boost/smart_ptr.hpp>
+
+int main()
+{
+    boost::shared_ptr<int> p1( new int );
+    boost::shared_ptr<int[]> p2( new int[1] );
+
+    boost::make_shared<int>();
+    boost::make_shared<int[]>( 1 );
+}

test/weak_from_fail.cpp

@@ -0,0 +1,22 @@
+// Copyright 2020 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/shared_ptr.hpp>
+#include <boost/smart_ptr/enable_shared_from.hpp>
+
+struct X: public boost::enable_shared_from
+{
+};
+
+#if defined(__clang__) && defined(_MSC_VER)
+// clang-cl claims that it accepts this code for compatibility
+// with msvc, but no version of msvc accepts it
+#  pragma clang diagnostic error "-Wmicrosoft-using-decl"
+#endif
+
+int main()
+{
+    boost::shared_ptr<X> px( new X );
+    px->weak_from_this();
+}

test/wp_guides_test.cpp

@@ -0,0 +1,24 @@
+// Copyright 2020 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#if defined(__cpp_deduction_guides)
+
+#include <boost/shared_ptr.hpp>
+#include <boost/weak_ptr.hpp>
+
+int main()
+{
+    boost::shared_ptr<int> p1( new int );
+    boost::weak_ptr p2( p1 );
+}
+
+#else
+
+#include <boost/config/pragma_message.hpp>
+
+BOOST_PRAGMA_MESSAGE( "Skipping test because __cpp_deduction_guides is not defined" )
+
+int main() {}
+
+#endif