Ticket #6722: trunk.libs.iostreams.test.patch

filtering_stream_test.cpp

@@ -24 +24 @@
 #include "seek_test.hpp"
 #include "putback_test.hpp"
 #include "filtering_stream_flush_test.hpp"
+#include "range_filter_test.hpp"
 
 using boost::unit_test::test_suite;
 
@@ -48 +49 @@
     test->add(BOOST_TEST_CASE(&seek_test));
     test->add(BOOST_TEST_CASE(&putback_test));
     test->add(BOOST_TEST_CASE(&test_filtering_ostream_flush));
+    test->add(BOOST_TEST_CASE(&range_filter_test));
     return test;
 }

range_filter_test.hpp

@@ +1 @@
+// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
+// (C) Copyright 2004-2007 Jonathan Turkanis
+// 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/iostreams for documentation.
+
+#ifndef BOOST_IOSTREAMS_TEST_RANGE_FILTER_HPP_INCLUDED
+#define BOOST_IOSTREAMS_TEST_RANGE_FILTER_HPP_INCLUDED
+
+#include <sstream>
+#include <string>
+
+#include <boost/iostreams/filtering_stream.hpp>
+#include <boost/range/iterator_range.hpp>
+#include <boost/test/test_tools.hpp>
+
+namespace
+{
+    template <class Stream>
+    std::string read_to_string(Stream& stream)
+    {
+       std::ostringstream destStream;
+       destStream << stream.rdbuf();
+       return destStream.str();
+    }
+} // namespace
+
+void range_filter_test()
+{
+   std::istringstream sourceStream("123");
+
+   typedef std::istream_iterator<char> iterator;
+   iterator begin(sourceStream);
+   iterator end;
+   boost::iterator_range< iterator > range(begin, end);
+
+   boost::iostreams::filtering_stream<boost::iostreams::input> sourceFilteringStream;
+   sourceFilteringStream.push(range, 1);
+
+   std::string output = read_to_string(sourceFilteringStream);
+   BOOST_CHECK_EQUAL("123", output);
+}
+
+#endif // #ifndef BOOST_IOSTREAMS_TEST_RANGE_FILTER_HPP_INCLUDED