Fixes #156: ("Compile error with vector") and remove warnings about precission loss due to integer narrowing

test/explicit_inst_vector_test.cpp

@@ -23,6 +23,29 @@ volatile ::boost::container::vector<empty> dummy;
 #include "movable_int.hpp"
 #include "dummy_test_allocator.hpp"
 
+class CustomAllocator
+{
+   public:
+	typedef int value_type;
+	typedef value_type* pointer;
+	typedef const value_type* const_pointer;
+	typedef unsigned short size_type;
+	typedef short difference_type;
+
+	pointer allocate(size_type count)
+   {  return (pointer)new char[sizeof(value_type)*count]; }
+
+	void deallocate(pointer ptr, size_type )
+   {  delete [](char*)ptr; }
+
+   friend bool operator==(CustomAllocator const&, CustomAllocator const&) BOOST_NOEXCEPT
+   {  return true;   }
+
+   friend bool operator!=(CustomAllocator const& x, CustomAllocator const& y) BOOST_NOEXCEPT
+   {  return !(x == y);  }
+};
+
+
 namespace boost {
 namespace container {
 
@@ -44,6 +67,9 @@ template class boost::container::vector< test::movable_and_copyable_int
                                        , vector_options< stored_size<unsigned short> >::type
                                        >;
 
+//test custom allocator with small size_type
+template class boost::container::vector<int, CustomAllocator>;
+
 }  //namespace boost {
 }  //namespace container {