[Boost-commit] svn:boost r56915 - trunk/libs/spirit/test/karma

Subject: [Boost-commit] svn:boost r56915 - trunk/libs/spirit/test/karma
From: hartmut.kaiser_at_[hidden]
Date: 2009-10-16 09:04:01

Author: hkaiser
Date: 2009-10-16 09:04:00 EDT (Fri, 16 Oct 2009)
New Revision: 56915
URL: http://svn.boost.org/trac/boost/changeset/56915

Log:
Spirit: added test detecting endianess/truncation problem on little endian systems
Text files modified: 
   trunk/libs/spirit/test/karma/alternative.cpp |    11 +++++++++++                             
   1 files changed, 11 insertions(+), 0 deletions(-)

Modified: trunk/libs/spirit/test/karma/alternative.cpp
==============================================================================
--- trunk/libs/spirit/test/karma/alternative.cpp	(original)
+++ trunk/libs/spirit/test/karma/alternative.cpp	2009-10-16 09:04:00 EDT (Fri, 16 Oct 2009)
@@ -49,6 +49,17 @@
         BOOST_TEST(test("c", int_ | char_ | lit('a'), v));
     }
 
+    // testing for alignment/truncation problems on little endian systems
+    // (big endian systems will fail one of the other tests below)
+    {
+        std::basic_string<wchar_t> generated;
+        std::back_insert_iterator<std::basic_string<wchar_t> > outit(generated);
+        boost::variant<int, char> v(10);
+        bool result = karma::generate_delimited(outit
+          , karma::int_ | karma::char_, karma::char_(' '), v);
+        BOOST_TEST(result && generated == L"10 ");
+    }
+
     {
         // test if alternatives with all components having unused 
         // attribute generate first alternative