From 43a83f500eb53b2f29b6807252db13b12abfd50e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thorsten=20J=C3=B8rgen=20Ottosen?=
 <thorsten.ottosen@gmail.com>
Date: Mon, 5 Sep 2005 19:44:09 +0000
Subject: [PATCH] added test for extension mechanism

[SVN r30815]
---
 test/Jamfile                 |   1 +
 test/extension_mechanism.cpp | 110 +++++++++++++++++++++++++++++++++++
 2 files changed, 111 insertions(+)
 create mode 100755 test/extension_mechanism.cpp

diff --git a/test/Jamfile b/test/Jamfile
index c80a535..4a8ef6d 100755
--- a/test/Jamfile
+++ b/test/Jamfile
@@ -35,6 +35,7 @@ test-suite range :
     [ range-test algorithm_example ]
     [ range-test reversible_range ]
     [ range-test const_ranges ]
+    [ range-test extension_mechanism ]
 #    [ range-test mfc : <include>$(VC71_ROOT)/atlmfc/include ] 
     ;
 
diff --git a/test/extension_mechanism.cpp b/test/extension_mechanism.cpp
new file mode 100755
index 0000000..273abb2
--- /dev/null
+++ b/test/extension_mechanism.cpp
@@ -0,0 +1,110 @@
+// Boost.Range library
+//
+//  Copyright Thorsten Ottosen 2003-2004. Use, modification and
+//  distribution is subject to 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)
+//
+// For more information, see http://www.boost.org/libs/range/
+//
+
+
+#include <boost/detail/workaround.hpp>
+
+#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
+#  pragma warn -8091 // supress warning in Boost.Test
+#  pragma warn -8057 // unused argument argc/argv in Boost.Test
+#endif
+
+#include <boost/range.hpp>
+#include <boost/test/test_tools.hpp>
+#include <boost/test/unit_test.hpp>
+#include <vector>
+
+//
+// Generic range algorithm
+//
+template< class Rng >
+typename boost::range_result_iterator<Rng>::type foo_algo( Rng& r )
+{
+	//
+	// This will only compile for Rng = UDT if the qualified calls
+	// find boost_range_XXX via ADL.
+	//
+	return boost::size(r) == 0u ? boost::begin(r) : boost::end(r);
+}
+
+namespace Foo
+{
+	//
+	// Our sample UDT
+	//
+	struct X
+	{
+		typedef std::vector<int>       data_t;
+		typedef data_t::iterator       iterator;
+		typedef data_t::const_iterator const_iterator;
+		typedef data_t::size_type      size_type;
+
+		data_t vec;
+
+		void push_back( int i )
+		{ vec.push_back(i); }
+	};
+
+	//
+	// The required functions. No type-traits need
+	// to be defined because X defines the proper set of
+	// nested types. 
+	//
+	inline X::iterator boost_range_begin( X& x )
+	{ 
+		return x.vec.begin();
+	}
+
+	inline X::const_iterator boost_range_begin( const X& x )
+	{
+		return x.vec.begin();
+	}
+
+    inline X::iterator boost_range_end( X& x )
+	{ 
+		return x.vec.end();
+	}
+
+	inline X::const_iterator boost_range_end( const X& x )
+	{
+		return x.vec.end();
+	}
+
+	inline X::size_type boost_range_size( const X& x )
+	{
+		return x.vec.size();
+	}
+}
+
+void check_extension()
+{
+	Foo::X x;
+	x.push_back(3);
+	const Foo::X x2;
+
+	foo_algo( x );
+	foo_algo( x2 );
+}
+
+using boost::unit_test::test_suite;
+
+test_suite* init_unit_test_suite( int argc, char* argv[] )
+{
+    test_suite* test = BOOST_TEST_SUITE( "Range Test Suite" );
+
+    test->add( BOOST_TEST_CASE( &check_extension ) );
+
+    return test;
+}
+
+
+
+
+