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check_less_than_comparable.hpp

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00001 /*
00002     Copyright 2005-2007 Adobe Systems Incorporated
00003     Distributed under the MIT License (see accompanying file LICENSE_1_0_0.txt
00004     or a copy at http://stlab.adobe.com/licenses.html)
00005 */
00006 
00007 /*************************************************************************************************/
00008 
00009 #include <adobe/config.hpp>
00010 #include <boost/test/unit_test.hpp>
00011 #include <adobe/utility/ignore_unused.hpp>
00012 
00013 
00014 namespace adobe {
00015 
00021 template <typename T, typename Op>
00022 void check_transitive(const T& x, const T& y, const T& z, Op op)
00023 {
00024     ignore_unused(y);
00025     assert(op(x,y) && op(y,z));
00026     BOOST_CHECK_MESSAGE(op(x,z), "tranisitive");
00027 }
00028 
00029 template <typename T, typename Op>
00030 void check_irreflexive(const T& x, Op op)
00031 {
00032     BOOST_CHECK_MESSAGE(!op(x,x), "irreflexive");
00033 }
00034 
00035 template <typename T, typename Op>
00036 void check_antisymmetric(const T& x, const T& y, Op op)
00037 {
00038     BOOST_CHECK_MESSAGE(!(op(x,y) && op(y,x)), "anti-symmetric");
00039 }
00040 
00041 
00042 template <typename T, typename Op>
00043 void check_less_than_comparable(const T& x, const T& y, const T& z, Op op)
00044 {
00045     check_irreflexive(x, op);
00046     check_antisymmetric(x, y, op);
00047     check_transitive(x, y, z, op);
00048 }
00049 
00051 }
00052

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