Implement allocator access utilities

test/allocator_pocs_test.cpp

@@ -0,0 +1,27 @@
+/*
+Copyright 2020 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#include <boost/core/allocator_access.hpp>
+#include <boost/core/is_same.hpp>
+#include <boost/core/lightweight_test_trait.hpp>
+
+struct A1 { };
+
+struct A2 {
+    struct propagate_on_container_swap {
+        BOOST_STATIC_CONSTEXPR bool value = true;
+    };
+};
+
+int main()
+{
+    BOOST_TEST_TRAIT_FALSE((boost::
+        allocator_propagate_on_container_swap<A1>::type));
+    BOOST_TEST_TRAIT_TRUE((boost::
+        allocator_propagate_on_container_swap<A2>::type));
+    return boost::report_errors();
+}