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More tests (refs #7814)

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[SVN r82694]
This commit is contained in:
Antony Polukhin
2013-02-03 07:38:56 +00:00
parent cb9de2c55f
commit 3e4a1669f1
1 changed files with 34 additions and 8 deletions
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42
test/lexical_cast_integral_types_test.cpp
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@@ -34,6 +34,7 @@
#include <boost/test/floating_point_comparison.hpp> #include <boost/test/floating_point_comparison.hpp>
#include <boost/type_traits/integral_promotion.hpp> #include <boost/type_traits/integral_promotion.hpp>
#include <boost/type_traits/make_unsigned.hpp>
#include <string> #include <string>
#include <vector> #include <vector>
#include <memory> #include <memory>
@@ -568,19 +569,44 @@ void test_conversion_from_to_uint128()
} }
#endif #endif
template <typename SignedT>
void test_integral_conversions_on_min_max_impl()
{
typedef SignedT signed_t;
typedef BOOST_DEDUCED_TYPENAME boost::make_unsigned<signed_t>::type unsigned_t;
typedef std::numeric_limits<signed_t> s_limits;
typedef std::numeric_limits<unsigned_t> uns_limits;
BOOST_CHECK_EQUAL(lexical_cast<unsigned_t>((uns_limits::max)()), (uns_limits::max)());
BOOST_CHECK_EQUAL(lexical_cast<unsigned_t>((uns_limits::min)()), (uns_limits::min)());
BOOST_CHECK_EQUAL(lexical_cast<signed_t>((s_limits::max)()), (s_limits::max)());
BOOST_CHECK_EQUAL(lexical_cast<signed_t>((uns_limits::min)()), static_cast<signed_t>((uns_limits::min)()));
BOOST_CHECK_EQUAL(lexical_cast<unsigned_t>((s_limits::max)()), static_cast<unsigned_t>((s_limits::max)()));
BOOST_CHECK_EQUAL(lexical_cast<unsigned_t>((s_limits::min)()), static_cast<unsigned_t>((s_limits::min)()));
}
void test_integral_conversions_on_min_max() void test_integral_conversions_on_min_max()
{ {
typedef std::numeric_limits<int> int_limits; test_integral_conversions_on_min_max_impl<int>();
typedef std::numeric_limits<unsigned int> uint_limits; test_integral_conversions_on_min_max_impl<short>();
BOOST_CHECK_EQUAL(lexical_cast<unsigned int>((uint_limits::max)()), (uint_limits::max)()); #ifdef _MSC_VER
BOOST_CHECK_EQUAL(lexical_cast<unsigned int>((uint_limits::min)()), (uint_limits::min)()); test_integral_conversions_on_min_max_impl<long int>();
BOOST_CHECK_EQUAL(lexical_cast<int>((int_limits::max)()), (int_limits::max)()); #if defined(BOOST_HAS_LONG_LONG)
BOOST_CHECK_EQUAL(lexical_cast<int>((uint_limits::min)()), static_cast<int>((uint_limits::min)())); test_integral_conversions_on_min_max_impl<boost::long_long_type>();
#elif defined(BOOST_HAS_MS_INT64)
test_integral_conversions_on_min_max_impl<__int64>();
#endif
#ifdef BOOST_LCAST_HAS_INT128
test_integral_conversions_on_min_max_impl<boost::int128_type>();
#endif
#endif
BOOST_CHECK_EQUAL(lexical_cast<unsigned int>((int_limits::max)()), static_cast<unsigned int>((int_limits::max)()));
BOOST_CHECK_EQUAL(lexical_cast<unsigned int>((int_limits::min)()), static_cast<unsigned int>((int_limits::min)()));
} }