Hash: std::shared_ptr, std::unique_ptr support.

[SVN r79516]

hash/test/Jamfile.v2

@@ -42,6 +42,7 @@ test-suite functional/hash
         [ run hash_type_index_test.cpp ]
         [ run hash_std_array_test.cpp ]
         [ run hash_std_tuple_test.cpp ]
+        [ run hash_std_smart_ptr_test.cpp ]
         [ run link_test.cpp link_test_2.cpp ]
         [ run link_ext_test.cpp link_no_ext_test.cpp ]
         [ run extensions_hpp_test.cpp ]

hash/test/hash_std_smart_ptr_test.cpp

@@ -0,0 +1,80 @@
+
+// Copyright 2012 Daniel James.
+// 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 "./config.hpp"
+
+#ifdef TEST_STD_INCLUDES
+#  include <functional>
+#else
+#  include <boost/functional/hash.hpp>
+#endif
+
+#include <boost/detail/lightweight_test.hpp>
+#include "./compile_time.hpp"
+
+#if defined(TEST_EXTENSIONS) && !defined(BOOST_NO_CXX11_HDR_TUPLE)
+#define TEST_SMART_PTRS
+#include <memory>
+#endif
+
+#ifdef TEST_SMART_PTRS
+
+void shared_ptr_tests()
+{
+    std::shared_ptr<int> x;
+    compile_time_tests(&x);
+
+    HASH_NAMESPACE::hash<std::shared_ptr<int> > x1;
+    HASH_NAMESPACE::hash<std::shared_ptr<int> > x2;
+
+    std::shared_ptr<int> ptr1(new int(10));
+    std::shared_ptr<int> ptr2;
+
+    BOOST_TEST(x1(x) == x2(ptr2));
+    BOOST_TEST(x1(x) != x2(ptr1));
+    ptr2.reset(new int(10));
+    BOOST_TEST(x1(ptr1) == x2(ptr1));
+    BOOST_TEST(x1(ptr1) != x2(ptr2));
+    ptr2 = ptr1;
+    BOOST_TEST(x1(ptr1) == x2(ptr2));
+#if defined(TEST_EXTENSIONS)
+    BOOST_TEST(x1(x) == HASH_NAMESPACE::hash_value(x));
+    BOOST_TEST(x1(ptr1) == HASH_NAMESPACE::hash_value(ptr2));
+#endif
+}
+
+void unique_ptr_tests()
+{
+    std::unique_ptr<int> x;
+    compile_time_tests(&x);
+
+    HASH_NAMESPACE::hash<std::unique_ptr<int> > x1;
+    HASH_NAMESPACE::hash<std::unique_ptr<int> > x2;
+
+    std::unique_ptr<int> ptr1(new int(10));
+    std::unique_ptr<int> ptr2;
+
+    BOOST_TEST(x1(x) == x2(ptr2));
+    BOOST_TEST(x1(x) != x2(ptr1));
+    ptr2.reset(new int(10));
+    BOOST_TEST(x1(ptr1) == x2(ptr1));
+    BOOST_TEST(x1(ptr1) != x2(ptr2));
+
+#if defined(TEST_EXTENSIONS)
+    BOOST_TEST(x1(x) == HASH_NAMESPACE::hash_value(x));
+#endif
+}
+
+#endif
+
+int main()
+{
+#ifdef TEST_SMART_PTRS
+    shared_ptr_tests();
+    unique_ptr_tests();
+#endif
+
+    return boost::report_errors();
+}

include/boost/functional/hash/detail/container_fwd_0x.hpp

@@ -38,4 +38,18 @@ namespace std {
 #    endif
 #endif
 
+// std::shared_ptr/std::unique_ptr
+
+#if !defined(BOOST_NO_CXX11_HDR_MEMORY)
+#   if (defined(BOOST_DETAIL_NO_CONTAINER_FWD) && \
+        !defined(BOOST_DETAIL_TEST_FORCE_CONTAINER_FWD))
+#       include <memory>
+#    else
+namespace std {
+    template <class> class shared_ptr;
+    template <class, class> class unique_ptr;
+}
+#    endif
+#endif
+
 #endif

include/boost/functional/hash/extensions.hpp

@@ -177,6 +177,18 @@ namespace boost
 #   undef BOOST_HASH_TUPLE_F
 #endif
 
+#endif
+
+#if !defined(BOOST_NO_CXX11_HDR_MEMORY)
+    template <typename T>
+    inline std::size_t hash_value(std::shared_ptr<T> const& x) {
+        return boost::hash_value(x.get());
+    }
+
+    template <typename T, typename Deleter>
+    inline std::size_t hash_value(std::unique_ptr<T, Deleter> const& x) {
+        return boost::hash_value(x.get());
+    }
 #endif
 
     //