[Boost-commit] svn:boost r39013 - branches/hash/libs/functional/hash/test

From: daniel_james_at_[hidden]
Date: 2007-08-27 14:13:46

Author: danieljames
Date: 2007-08-27 14:13:45 EDT (Mon, 27 Aug 2007)
New Revision: 39013
URL: http://svn.boost.org/trac/boost/changeset/39013

Log:
Better test for hash(-5).

Text files modified: 
   branches/hash/libs/functional/hash/test/hash_number_test.cpp |     4 ++--                                    
   1 files changed, 2 insertions(+), 2 deletions(-)

Modified: branches/hash/libs/functional/hash/test/hash_number_test.cpp
==============================================================================
--- branches/hash/libs/functional/hash/test/hash_number_test.cpp	(original)
+++ branches/hash/libs/functional/hash/test/hash_number_test.cpp	2007-08-27 14:13:45 EDT (Mon, 27 Aug 2007)
@@ -55,8 +55,8 @@
 
     if (limits::is_integer)
     {
-        BOOST_TEST(HASH_NAMESPACE::hash_value(T((std::size_t)-5))
-                == (std::size_t)T(-5));
+        if(limits::is_signed || limits::digits <= boost::hash_detail::numeric_limits<std::size_t>::digits)
+            BOOST_TEST(HASH_NAMESPACE::hash_value(T(-5)) == (std::size_t)T(-5));
         BOOST_TEST(HASH_NAMESPACE::hash_value(T(0)) == (std::size_t)T(0u));
         BOOST_TEST(HASH_NAMESPACE::hash_value(T(10)) == (std::size_t)T(10u));
         BOOST_TEST(HASH_NAMESPACE::hash_value(T(25)) == (std::size_t)T(25u));