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Split variant_index_type into separate runs for each variant size

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This commit is contained in:
Peter Dimov
2024-12-22 06:03:10 +02:00
parent d77d61c8ec
commit 010c78598e
2 changed files with 20 additions and 21 deletions
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11
test/Jamfile
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@ -144,9 +144,16 @@ compile variant_visit_cx.cpp : [ requires cxx14_constexpr ] ;
compile variant_visit_cx_2.cpp : [ requires cxx14_constexpr ] ;
compile variant_visit_r_cx.cpp : [ requires cxx14_constexpr ] ;
run variant_index_type.cpp : : :
local index-type-reqs =
<variant>release
<toolset>msvc,<address-model>32:<build>no
<toolset>msvc-14.0:<build>no # fails on GHA (only) with "out of heap space"
<toolset>clang,<target-os>linux:<cxxflags>-ftemplate-depth=1024 # for Clang 3.x
;
local list-sizes = 126 127 128 129 254 255 256 257 ;
for local list-size in $(list-sizes)
{
run variant_index_type.cpp : : : $(index-type-reqs) <define>LIST_SIZE=$(list-size) : variant_index_type_$(list-size) ;
}

30
test/variant_index_type.cpp
View File

@ -43,9 +43,11 @@ template<std::size_t I> struct W
template<class N> using Wf = W< N::value >;
template<template<class...> class F, std::size_t N> void test_()
template<class L, template<class...> class F> void test()
{
using V = mp_rename< mp_transform<F, mp_iota_c<N>>, boost::variant2::variant >;
using V = mp_rename< mp_transform<F, L>, boost::variant2::variant >;
constexpr std::size_t N = mp_size<L>::value;
using last_type = F<mp_size_t<N-1>>;
@ -63,32 +65,22 @@ template<template<class...> class F, std::size_t N> void test_()
}
}
template<template<class...> class F> void test()
{
test_<F, 126>();
test_<F, 127>();
test_<F, 128>();
test_<F, 129>();
test_<F, 254>();
test_<F, 255>();
test_<F, 256>();
test_<F, 257>();
}
int main()
{
constexpr std::size_t N = LIST_SIZE;
using L = mp_iota_c<N>;
static_assert( !boost::variant2::variant< X<0>, X<1> >::uses_double_storage(), "" );
test<Xf>();
test<L, Xf>();
static_assert( boost::variant2::variant< Y<0>, Y<1> >::uses_double_storage(), "" );
test<Yf>();
test<L, Yf>();
static_assert( !boost::variant2::variant< Z<0>, Z<1> >::uses_double_storage(), "" );
test<Zf>();
test<L, Zf>();
static_assert( boost::variant2::variant< W<0>, W<1> >::uses_double_storage(), "" );
test<Wf>();
test<L, Wf>();
return boost::report_errors();
}