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Fixes #334 ("Wrong overload resolution protection in implementation of P2363R5") and adds tests with transparent comparator for associative containers.

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Ion Gaztañaga
2026-03-22 17:26:15 +01:00
parent 0f99763ea7
commit ce12d2aec5
6 changed files with 88 additions and 33 deletions
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test/set_test.cpp
+36 -3
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@@ -1,3 +1,4 @@
//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2004-2013. Distributed under the Boost
@@ -346,14 +347,14 @@ bool constructor_template_auto_deduction_test()
}}} //boost::container::test
template<class VoidAllocator, boost::container::tree_type_enum tree_type_value>
template<class VoidAllocator, boost::container::tree_type_enum tree_type_value, bool Transparent = false>
struct GetAllocatorSet
{
template<class ValueType>
struct apply
{
typedef set < ValueType
, std::less<ValueType>
, typename dtl::if_c<Transparent, test::less_transparent, std::less<ValueType> >::type
, typename allocator_traits<VoidAllocator>
::template portable_rebind_alloc<ValueType>::type
, typename boost::container::tree_assoc_options
@@ -362,7 +363,7 @@ struct GetAllocatorSet
> set_type;
typedef multiset < ValueType
, std::less<ValueType>
, typename dtl::if_c<Transparent, test::less_transparent, std::less<ValueType> >::type
, typename allocator_traits<VoidAllocator>
::template portable_rebind_alloc<ValueType>::type
, typename boost::container::tree_assoc_options
@@ -504,6 +505,24 @@ int main ()
std::cout << "Error in set_test<new_allocator<void>, red_black_tree>" << std::endl;
return 1;
}
if (0 != test::set_test
< GetAllocatorSet<new_allocator<void>, red_black_tree>::apply<test::moveconstruct_int>::set_type
, MyStdSet
, GetAllocatorSet<new_allocator<void>, red_black_tree>::apply<test::moveconstruct_int>::multiset_type
, MyStdMultiSet>()) {
std::cout << "Error in set_test<new_allocator<void>, red_black_tree>" << std::endl;
return 1;
}
if (0 != test::set_test
< GetAllocatorSet<new_allocator<void>, red_black_tree, true>::apply<test::movable_and_copyable_int>::set_type
, MyStdSet
, GetAllocatorSet<new_allocator<void>, red_black_tree, true>::apply<test::movable_and_copyable_int>::multiset_type
, MyStdMultiSet>()) {
std::cout << "Error in set_test<new_allocator<void>, red_black_tree>>, transparent" << std::endl;
return 1;
}
}
////////////////////////////////////
@@ -621,3 +640,17 @@ int main ()
return 0;
}
/*
#include <boost/container/set.hpp>
#include <functional>
int main()
{
using set = boost::container::set<int, std::less<>>;
set s;
const set cs;
s.insert(cs.begin(), cs.end());
}
*/