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Improved/added testing for the processor-optimized integer template

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[SVN r47413]
This commit is contained in:
Daryle Walker
2008-07-14 04:25:31 +00:00
parent 2f91e69629
commit 10e5587b9e
1 changed files with 43 additions and 2 deletions
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45
test/integer_test.cpp
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@ -8,6 +8,7 @@
// See http://www.boost.org/libs/integer for documentation.
// Revision History
// 14 Jul 08 Improved testing of fast-integer template. (Daryle Walker)
// 13 Jul 08 Modernized tests w/ MPL instead of giant macros (Daryle Walker)
// 07 Jul 08 Changed tests to use the unit-test system (Daryle Walker)
// 04 Oct 01 Added tests for new templates; rewrote code (Daryle Walker)
@ -49,6 +50,11 @@
#include <typeinfo> // for std::type_info
// Control what the "fast" specialization of "short" is
#ifndef CONTROL_FAST_SHORT
#define CONTROL_FAST_SHORT long
#endif
// Control if the names of the types for each version
// of the integer templates will be printed.
#ifndef CONTROL_SHOW_TYPES
@ -57,13 +63,15 @@
// If specializations have not already been done, then we can confirm
// the effects of the "fast" types by making a specialization.
// the effects of the "fast" types by making a specialization. If there
// is a specialization for "short," make sure that CONTROL_FAST_SHORT
// is set to a type distinct from "short" and the default implementation.
namespace boost
{
template < >
struct int_fast_t< short >
{
typedef long fast;
typedef CONTROL_FAST_SHORT fast;
};
}
@ -177,6 +185,34 @@ typedef boost::mpl::push_back<
} // unnamed namespace
// Check the processor-optimzed type system
BOOST_AUTO_TEST_SUITE( optimized_type_tests )
// Check the optimzed type override of a given type
BOOST_AUTO_TEST_CASE( fast_type_test )
{
#ifndef BOOST_NO_USING_TEMPLATE
using std::numeric_limits;
#else
using namespace std;
#endif
typedef short least_type;
typedef boost::int_fast_t<least_type>::fast fast_type;
typedef numeric_limits<least_type> least_limits;
typedef numeric_limits<fast_type> fast_limits;
BOOST_MPL_ASSERT_RELATION( (boost::is_same<least_type, fast_type>::value),
==, false );
BOOST_MPL_ASSERT_RELATION( fast_limits::is_specialized, ==, true );
BOOST_MPL_ASSERT_RELATION( fast_limits::is_signed &&
fast_limits::is_bounded, ==, true );
BOOST_MPL_ASSERT_RELATION( fast_limits::radix, ==, 2 );
BOOST_MPL_ASSERT_RELATION( fast_limits::digits, >=, least_limits::digits );
}
BOOST_AUTO_TEST_SUITE_END()
// Check if given types can support given size parameters
BOOST_AUTO_TEST_SUITE( show_type_tests )
@ -404,3 +440,8 @@ BOOST_AUTO_TEST_CASE_TEMPLATE( fit_for_shifted_values_test, T,
}
BOOST_AUTO_TEST_SUITE_END()
// Verification of bugs and their fixes
BOOST_AUTO_TEST_SUITE( bug_fix_tests )
BOOST_AUTO_TEST_SUITE_END()