random_range_unittest_.h

新版本TR1的stl

#if !defined(RANGELIB_INCL_RANGELIB_HPP_RANDOM_RANGE)
# error This file cannot be directly included, and should only be included within rangelib/random_range.hpp
#endif /* !RANGELIB_INCL_RANGELIB_HPP_RANDOM_RANGE */

#if !defined(STLSOFT_UNITTEST)
# error This file cannot be included when not unit-testing STLSoft
#endif /* !STLSOFT_UNITTEST */

namespace unittest
{
	namespace
	{

		ss_bool_t test_stlsoft_rangelib_random_range(unittest_reporter *r)
		{
			using stlsoft::unittest::unittest_initialiser;

			ss_bool_t				bSuccess	=	true;

			unittest_initialiser	init(r, "RangeLib", "random_range", __FILE__);

			random_range	r1(10, -10, 10);
			int 			sum;

			STLSOFT_ASSERT(-10 == r1.minimum());
			STLSOFT_ASSERT(+10 == r1.maximum());

			for(sum = 0; r1; ++r1)
			{
				STLSOFT_ASSERT(*r1 >= r1.minimum());
				STLSOFT_ASSERT(*r1 <= r1.maximum());

				sum += *r1;
			}

			if( sum < 10 * r1.minimum() ||
				sum >= 10 * r1.maximum())
			{
				r->report("manual enumeration failed", __LINE__);
				bSuccess = false;
			}

			if(r1.is_open())
			{
				r->report("closed range presents as open (is_open() method)", __LINE__);
				bSuccess = false;
			}

			if(r1)
			{
				r->report("closed range presents as open (operator \"bool\"())", __LINE__);
				bSuccess = false;
			}

			if(random_range(0, 0, 0))
			{
				r->report("closed range presents as open", __LINE__);
				bSuccess = false;
			}

			return bSuccess;
		}

		unittest_registrar	  unittest_stlsoft_rangelib_random_range(test_stlsoft_rangelib_random_range);
	} // anonymous namespace

} // namespace unittest