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[SVN r1945]
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Jonathan Turkanis committed 2004-02-08 04:04:13 +00:00
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commit 60030c86c8
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select_by_size_test.cpp
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#include <boost/static_assert.hpp>
#include <boost/utility/select_by_size.hpp>
using boost::utility::case_;
case_<0> helper(bool);
case_<1> helper(int);
case_<2> helper(unsigned);
case_<3> helper(long);
case_<4> helper(unsigned long);
case_<5> helper(float);
case_<6> helper(double);
case_<7> helper(const char*);
struct test {
BOOST_SELECT_BY_SIZE(int, v0, helper(true));
BOOST_SELECT_BY_SIZE(int, v1, helper(0));
BOOST_SELECT_BY_SIZE(int, v2, helper(0U));
BOOST_SELECT_BY_SIZE(int, v3, helper(0L));
BOOST_SELECT_BY_SIZE(int, v4, helper(0UL));
BOOST_SELECT_BY_SIZE(int, v5, helper(0.0F));
BOOST_SELECT_BY_SIZE(int, v6, helper(0.0));
BOOST_SELECT_BY_SIZE(int, v7, helper("hello"));
};
#include <iostream>
int main()
{
using namespace boost::utility;
BOOST_STATIC_ASSERT( select_by_size< sizeof(helper(true)) >::value == 0 );
BOOST_STATIC_ASSERT( select_by_size< sizeof(helper(0)) >::value == 1 );
BOOST_STATIC_ASSERT( select_by_size< sizeof(helper(0U)) >::value == 2 );
BOOST_STATIC_ASSERT( select_by_size< sizeof(helper(0L)) >::value == 3 );
BOOST_STATIC_ASSERT( select_by_size< sizeof(helper(0UL)) >::value == 4 );
BOOST_STATIC_ASSERT( select_by_size< sizeof(helper(0.0F)) >::value == 5 );
BOOST_STATIC_ASSERT( select_by_size< sizeof(helper(0.0)) >::value == 6 );
BOOST_STATIC_ASSERT( select_by_size< sizeof(helper("hello")) >::value == 7 );
BOOST_STATIC_ASSERT(test::v0 == 0);
BOOST_STATIC_ASSERT(test::v1 == 1);
BOOST_STATIC_ASSERT(test::v2 == 2);
BOOST_STATIC_ASSERT(test::v3 == 3);
BOOST_STATIC_ASSERT(test::v4 == 4);
BOOST_STATIC_ASSERT(test::v5 == 5);
BOOST_STATIC_ASSERT(test::v6 == 6);
BOOST_STATIC_ASSERT(test::v7 == 7);
return 0;
}