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122 lines
4.3 KiB
C++
122 lines
4.3 KiB
C++
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#include <boost/preprocessor/config/config.hpp>
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#if !BOOST_PP_VARIADICS
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# error "this compiler does not support variadic macros"
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#else
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#include <boost/contract/ext_/preprocessor/traits/func/aux_/index.hpp>
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#define BOOST_CONTRACT_EXT_PP_FUNC_TRAITS_AUX_INDEX_TEST \
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BOOST_CONTRACT_EXT_PP_FUNC_TRAITS_AUX_PARAMS_INDEX
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#include "../aux_/pp_traits.hpp"
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#include <boost/contract/ext_/preprocessor/traits/func.hpp>
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#include <boost/preprocessor/list/for_each_i.hpp>
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#include <boost/preprocessor/tuple/eat.hpp>
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#include <boost/preprocessor/tuple/rem.hpp>
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#include <boost/preprocessor/tuple/size.hpp>
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#include <boost/preprocessor/comparison/equal.hpp>
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#include <boost/preprocessor/control/expr_iif.hpp>
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#include <boost/preprocessor/control/iif.hpp>
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#include <boost/preprocessor/punctuation/comma_if.hpp>
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// NOTE: Some extra test macros are necessary here to regenerate the sign back
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// from the parsed trait to check if the parsing was correct. But, at the end
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// these are valuable tests also because they use the PARAM_TRAITS macros.
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// Assume all 1-tuple types were specified without parenthesis. This is usually
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// NOT true, but it is true in these tests. This is relevant only in these
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// tests where generated code must match original signature and its parenthesis
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// (the extra parenthesis of the original signature do not need to be
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// reproduced when generating C++ code so this assumption is not necessary).
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#define BOOST_CONTRACT_TEST_PARAM_REM_(type) \
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BOOST_PP_EXPR_IIF(BOOST_PP_EQUAL(BOOST_PP_TUPLE_SIZE(type), 1), \
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BOOST_PP_TUPLE_REM(0) \
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) \
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type
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#define BOOST_CONTRACT_TEST_PARAM_(r, unused, i, param) \
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BOOST_PP_COMMA_IF(i) \
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BOOST_CONTRACT_TEST_PARAM_REM_( \
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BOOST_CONTRACT_EXT_PP_PARAM_TRAITS_TYPE(param)) \
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BOOST_CONTRACT_EXT_PP_PARAM_TRAITS_NAME(param) \
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BOOST_PP_IIF(BOOST_CONTRACT_EXT_PP_IS_EMPTY( \
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BOOST_CONTRACT_EXT_PP_PARAM_TRAITS_DEFAULT(param)), \
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BOOST_PP_TUPLE_EAT(2) \
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, \
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BOOST_PP_TUPLE_REM(2) \
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)( \
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BOOST_PP_EMPTY(), \
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default BOOST_CONTRACT_EXT_PP_PARAM_TRAITS_DEFAULT(param) \
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)
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#define BOOST_CONTRACT_TEST_PARAMS_(func_traits) \
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( \
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BOOST_PP_LIST_FOR_EACH_I(BOOST_CONTRACT_TEST_PARAM_, ~, \
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BOOST_CONTRACT_EXT_PP_FUNC_TRAITS_PARAMS(func_traits)) \
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)
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// Variadic to allow to specify empty params `( )`.
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#define BOOST_CONTRACT_TEST_EQUAL_(params_sign, parsed_params) \
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BOOST_CONTRACT_TEST_AUX_PP_TRAITS( \
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BOOST_CONTRACT_TEST_PARAMS_, \
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BOOST_CONTRACT_EXT_PP_FUNC_TRAITS, \
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(std::map<int, char>&) (f), \
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params_sign, \
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const volatile, \
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parsed_params \
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)
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#define BOOST_CONTRACT_TEST_(...) \
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BOOST_CONTRACT_TEST_EQUAL_( (__VA_ARGS__), (__VA_ARGS__) )
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int main ( ) {
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// Test empty and void.
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BOOST_CONTRACT_TEST_( )
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BOOST_CONTRACT_TEST_EQUAL_( ( void ), ( ) )
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// Test named.
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BOOST_CONTRACT_TEST_( int x )
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// Test named with default.
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BOOST_CONTRACT_TEST_( int x, default 123 )
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// Test unnamed.
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BOOST_CONTRACT_TEST_( int )
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// Test unnamed with default.
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BOOST_CONTRACT_TEST_( int, default 123 )
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// Test named with parenthesis.
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BOOST_CONTRACT_TEST_( (std::map<int, char>&) y )
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// Test named with parenthesis and default.
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BOOST_CONTRACT_TEST_(
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(std::map<int, char>&) y, default (pair<int, char>::sizeof_first)
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)
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// Test unnamed with parenthesis.
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BOOST_CONTRACT_TEST_( (std::map<int, char>&) )
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// Test unnamed with parenthesis and default.
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BOOST_CONTRACT_TEST_(
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(std::map<int, char>&), default (pair<int, char>::sizeof_first)
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)
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// Test named arity.
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BOOST_CONTRACT_TEST_( int x, (std::map<int, char>&) y )
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// Test named arity with default.
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BOOST_CONTRACT_TEST_(
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int x, default 123,
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(std::map<int, char>&) y, default (pair<int, char>::sizeof_first)
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)
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// Test unnamed arity.
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BOOST_CONTRACT_TEST_( int, (std::map<int, char>&) )
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// Test unnamed arity with default.
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BOOST_CONTRACT_TEST_(
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int, default 123,
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(std::map<int, char>&), default (pair<int, char>::sizeof_first)
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)
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// Test variadics.
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BOOST_CONTRACT_TEST_EQUAL_( ( int count, (...) ), ( int count, ... ) )
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return BOOST_CONTRACT_TEST_AUX_PP_TRAITS_REPORT_ERRORS;
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}
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#endif // variadics
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