add boost on mac

macx64/include/boost/test/tools/detail/print_helper.hpp

@@ -0,0 +1,247 @@
+//  (C) Copyright Gennadiy Rozental 2001.
+//  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)
+
+//  See http://www.boost.org/libs/test for the library home page.
+//
+//  File        : $RCSfile$
+//
+//  Version     : $Revision: 74248 $
+//
+//  Description : defines level of indiration facilitating workarounds for non printable types
+// ***************************************************************************
+
+#ifndef BOOST_TEST_TOOLS_IMPL_COMMON_HPP_012705GER
+#define BOOST_TEST_TOOLS_IMPL_COMMON_HPP_012705GER
+
+// Boost.Test
+#include <boost/test/detail/config.hpp>
+#include <boost/test/detail/global_typedef.hpp>
+
+// Boost
+#include <boost/mpl/or.hpp>
+#include <boost/static_assert.hpp>
+#include <boost/type_traits/is_array.hpp>
+#include <boost/type_traits/is_function.hpp>
+#include <boost/type_traits/is_abstract.hpp>
+#include <boost/type_traits/has_left_shift.hpp>
+
+#include <ios>
+#include <iostream>
+#include <limits>
+
+#if !defined(BOOST_NO_CXX11_NULLPTR)
+#include <cstddef>
+#endif
+
+#include <boost/test/detail/suppress_warnings.hpp>
+
+//____________________________________________________________________________//
+
+namespace boost {
+namespace test_tools {
+namespace tt_detail {
+
+// ************************************************************************** //
+// **************          boost_test_print_type               ************** //
+// ************************************************************************** //
+
+    namespace impl {
+        template <class T>
+        std::ostream& boost_test_print_type(std::ostream& ostr, T const& t) {
+            BOOST_STATIC_ASSERT_MSG( (boost::has_left_shift<std::ostream,T>::value),
+                                    "Type has to implement operator<< to be printable");
+            ostr << t;
+            return ostr;
+        }
+
+        struct boost_test_print_type_impl {
+            template <class R>
+            std::ostream& operator()(std::ostream& ostr, R const& r) const {
+                return boost_test_print_type(ostr, r);
+            }
+        };
+    }
+
+    // To avoid ODR violations, see N4381
+    template <class T> struct static_const { static const T value; };
+    template <class T> const T static_const<T>::value = T();
+
+    namespace {
+        static const impl::boost_test_print_type_impl& boost_test_print_type =
+            static_const<impl::boost_test_print_type_impl>::value;
+    }
+
+
+// ************************************************************************** //
+// **************                print_log_value               ************** //
+// ************************************************************************** //
+
+template<typename T>
+struct print_log_value {
+    void    operator()( std::ostream& ostr, T const& t )
+    {
+        typedef typename mpl::or_<is_array<T>,is_function<T>,is_abstract<T> >::type cant_use_nl;
+
+        std::streamsize old_precision = set_precision( ostr, cant_use_nl() );
+
+        //ostr << t;
+        using boost::test_tools::tt_detail::boost_test_print_type;
+        boost_test_print_type(ostr, t);
+
+        if( old_precision != (std::streamsize)-1 )
+            ostr.precision( old_precision );
+    }
+
+    std::streamsize set_precision( std::ostream& ostr, mpl::false_ )
+    {
+        if( std::numeric_limits<T>::is_specialized && std::numeric_limits<T>::radix == 2 )
+            return ostr.precision( 2 + std::numeric_limits<T>::digits * 301/1000 );
+        else if ( std::numeric_limits<T>::is_specialized && std::numeric_limits<T>::radix == 10 ) {
+#ifdef BOOST_NO_CXX11_NUMERIC_LIMITS
+            // (was BOOST_NO_NUMERIC_LIMITS_LOWEST but now deprecated).
+            // No support for std::numeric_limits<double>::max_digits10,
+            // so guess that a couple of guard digits more than digits10 will display any difference.
+            return ostr.precision( 2 + std::numeric_limits<T>::digits10 );
+#else
+            // std::numeric_limits<double>::max_digits10; IS supported.
+            // Any noisy or guard digits needed to display any difference are included in max_digits10.
+            return ostr.precision( std::numeric_limits<T>::max_digits10 );
+#endif
+        }
+        // else if T is not specialized for std::numeric_limits<>,
+        // then will just get the default precision of 6 digits.
+        return (std::streamsize)-1;
+    }
+
+    std::streamsize set_precision( std::ostream&, mpl::true_ ) { return (std::streamsize)-1; }
+};
+
+//____________________________________________________________________________//
+
+#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
+template<typename T, std::size_t N >
+struct print_log_value< T[N] > {
+    void    operator()( std::ostream& ostr, T const* t )
+    {
+        ostr << t;
+    }
+};
+#endif
+
+//____________________________________________________________________________//
+
+template<>
+struct BOOST_TEST_DECL print_log_value<bool> {
+    void    operator()( std::ostream& ostr, bool t );
+};
+
+//____________________________________________________________________________//
+
+template<>
+struct BOOST_TEST_DECL print_log_value<char> {
+    void    operator()( std::ostream& ostr, char t );
+};
+
+//____________________________________________________________________________//
+
+template<>
+struct BOOST_TEST_DECL print_log_value<unsigned char> {
+    void    operator()( std::ostream& ostr, unsigned char t );
+};
+
+//____________________________________________________________________________//
+
+template<>
+struct BOOST_TEST_DECL print_log_value<char const*> {
+    void    operator()( std::ostream& ostr, char const* t );
+};
+
+//____________________________________________________________________________//
+
+template<>
+struct BOOST_TEST_DECL print_log_value<wchar_t const*> {
+    void    operator()( std::ostream& ostr, wchar_t const* t );
+};
+
+#if !defined(BOOST_NO_CXX11_NULLPTR)
+template<>
+struct print_log_value<std::nullptr_t> {
+    // declaration and definition is here because of #12969 https://svn.boost.org/trac10/ticket/12969
+    void    operator()( std::ostream& ostr, std::nullptr_t /*t*/ ) {
+        ostr << "nullptr";
+    }
+};
+#endif
+
+//____________________________________________________________________________//
+
+// ************************************************************************** //
+// **************                 print_helper                 ************** //
+// ************************************************************************** //
+// Adds level of indirection to the output operation, allowing us to customize
+// it for types that do not support operator << directly or for any other reason
+
+template<typename T>
+struct print_helper_t {
+    explicit    print_helper_t( T const& t ) : m_t( t ) {}
+
+    T const&    m_t;
+};
+
+//____________________________________________________________________________//
+
+#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
+// Borland suffers premature pointer decay passing arrays by reference
+template<typename T, std::size_t N >
+struct print_helper_t< T[N] > {
+    explicit    print_helper_t( T const * t ) : m_t( t ) {}
+
+    T const *   m_t;
+};
+#endif
+
+//____________________________________________________________________________//
+
+template<typename T>
+inline print_helper_t<T>
+print_helper( T const& t )
+{
+    return print_helper_t<T>( t );
+}
+
+//____________________________________________________________________________//
+
+template<typename T>
+inline std::ostream&
+operator<<( std::ostream& ostr, print_helper_t<T> const& ph )
+{
+    print_log_value<T>()( ostr, ph.m_t );
+
+    return ostr;
+}
+
+//____________________________________________________________________________//
+
+} // namespace tt_detail
+
+// ************************************************************************** //
+// **************       BOOST_TEST_DONT_PRINT_LOG_VALUE        ************** //
+// ************************************************************************** //
+
+#define BOOST_TEST_DONT_PRINT_LOG_VALUE( the_type )         \
+namespace boost{ namespace test_tools{ namespace tt_detail{ \
+template<>                                                  \
+struct print_log_value<the_type > {                         \
+    void    operator()( std::ostream&, the_type const& ) {} \
+};                                                          \
+}}}                                                         \
+/**/
+
+} // namespace test_tools
+} // namespace boost
+
+#include <boost/test/detail/enable_warnings.hpp>
+
+#endif // BOOST_TEST_TOOLS_IMPL_COMMON_HPP_012705GER