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modified to include header mulitple times

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[SVN r1950]
This commit is contained in:
Jonathan Turkanis
2004-02-09 22:11:13 +00:00
parent d2ed316b98
commit 06cb0cac42
1 changed files with 40 additions and 37 deletions
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77
select_by_size_test.cpp
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@@ -1,10 +1,34 @@
#include <boost/static_assert.hpp> // (C) Copyright Jonathan Turkanis 2004.
#include <boost/utility/select_by_size.hpp> // Permission to copy, use, modify, sell and distribute this software
// is granted provided this copyright notice appears in all copies. This
// software is provided "as is" without express or implied warranty, and
// with no claim as to its suitability for any purpose.
// Test program for <boost/utility/select_by_size.hpp>
#include <boost/static_assert.hpp>
#include <boost/config.hpp>
// Include "select_by_size.hpp" with BOOST_SELECT_BY_SIZE_CASES undefined.
#include <boost/utility/select_by_size.hpp>
using boost::utility::case_; using boost::utility::case_;
case_<0> helper(bool); case_<false> helper(bool);
case_<1> helper(int); case_<true> helper(int);
struct test1 {
// Define static bool constants v0 and v1.
BOOST_SELECT_BY_SIZE(bool, v0, helper(true));
BOOST_SELECT_BY_SIZE(bool, v1, helper(0));
BOOST_STATIC_ASSERT(v0 == false);
BOOST_STATIC_ASSERT(v1 == true);
};
// Include "select_by_size.hpp" a second time, defining more cases.
#define BOOST_SELECT_BY_SIZE_CASES 8
#include <boost/utility/select_by_size.hpp>
case_<2> helper(unsigned); case_<2> helper(unsigned);
case_<3> helper(long); case_<3> helper(long);
case_<4> helper(unsigned long); case_<4> helper(unsigned long);
@@ -12,7 +36,8 @@ case_<5> helper(float);
case_<6> helper(double); case_<6> helper(double);
case_<7> helper(const char*); case_<7> helper(const char*);
struct test { struct test2 {
// Define static int constants v0 through v7.
BOOST_SELECT_BY_SIZE(int, v0, helper(true)); BOOST_SELECT_BY_SIZE(int, v0, helper(true));
BOOST_SELECT_BY_SIZE(int, v1, helper(0)); BOOST_SELECT_BY_SIZE(int, v1, helper(0));
BOOST_SELECT_BY_SIZE(int, v2, helper(0U)); BOOST_SELECT_BY_SIZE(int, v2, helper(0U));
@@ -21,37 +46,15 @@ struct test {
BOOST_SELECT_BY_SIZE(int, v5, helper(0.0F)); BOOST_SELECT_BY_SIZE(int, v5, helper(0.0F));
BOOST_SELECT_BY_SIZE(int, v6, helper(0.0)); BOOST_SELECT_BY_SIZE(int, v6, helper(0.0));
BOOST_SELECT_BY_SIZE(int, v7, helper("hello")); BOOST_SELECT_BY_SIZE(int, v7, helper("hello"));
BOOST_STATIC_ASSERT(v0 == 0);
BOOST_STATIC_ASSERT(v1 == 1);
BOOST_STATIC_ASSERT(v2 == 2);
BOOST_STATIC_ASSERT(v3 == 3);
BOOST_STATIC_ASSERT(v4 == 4);
BOOST_STATIC_ASSERT(v5 == 5);
BOOST_STATIC_ASSERT(v6 == 6);
BOOST_STATIC_ASSERT(v7 == 7);
}; };
#include <iostream> int main() { return 0; }
int main()
{
using namespace boost::utility;
// Causes problems on Borland 5.x
//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;
}