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// { dg-do run { target c++11 } }
// { dg-require-effective-target cxx11_abi }
// Bug 116641 - std::string move assignment incorrectly depends on POCCA
#include <string>
#include <testsuite_hooks.h>
template<typename T>
struct Alloc
{
using value_type = T;
using propagate_on_container_swap = std::false_type;
using propagate_on_container_copy_assignment = std::true_type;
using propagate_on_container_move_assignment = std::false_type;
Alloc(int id) : id(id) { }
template<typename U>
Alloc(const Alloc<U>& a) : id(a.id) { }
T* allocate(unsigned long n)
{ return std::allocator<T>().allocate(n); }
void deallocate(T* p, unsigned long n)
{ std::allocator<T>().deallocate(p, n); }
Alloc& operator=(const Alloc&) { throw; }
bool operator==(const Alloc& a) const { return id == a.id; }
bool operator!=(const Alloc& a) const { return id != a.id; }
int id;
};
void
test_pr116641()
{
Alloc<char> a1(1), a2(2);
std::basic_string<char, std::char_traits<char>, Alloc<char>> s1(a1), s2(a2);
s1 = "allocator should not propagate on move assignment";
VERIFY( s1.get_allocator() == a1 );
VERIFY( s2.get_allocator() == a2 );
s2 = std::move(s1);
VERIFY( s1.get_allocator() == a1 );
VERIFY( s2.get_allocator() == a2 );
}
int main()
{
test_pr116641();
}
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