select_on_container_copy_construction.pass.cpp [plain text]
#include <scoped_allocator>
#include <cassert>
#include "../allocators.h"
int main()
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
{
typedef std::scoped_allocator_adaptor<A1<int>> A;
A a1(A1<int>(3));
assert(a1.outer_allocator().id() == 3);
A a2 = std::allocator_traits<A>::select_on_container_copy_construction(a1);
assert(a2.outer_allocator().id() == 3);
}
{
typedef std::scoped_allocator_adaptor<A3<int>> A;
A a1(A3<int>(3));
assert(a1.outer_allocator().id() == 3);
A a2 = std::allocator_traits<A>::select_on_container_copy_construction(a1);
assert(a2.outer_allocator().id() == -1);
}
{
typedef std::scoped_allocator_adaptor<A1<int>, A2<int>, A3<int>> A;
A a1(A1<int>(1), A2<int>(2), A3<int>(3));
assert(a1.outer_allocator().id() == 1);
assert(a1.inner_allocator().outer_allocator().id() == 2);
assert(a1.inner_allocator().inner_allocator().outer_allocator().id() == 3);
A a2 = std::allocator_traits<A>::select_on_container_copy_construction(a1);
assert(a2.outer_allocator().id() == 1);
assert(a2.inner_allocator().outer_allocator().id() == 2);
assert(a2.inner_allocator().inner_allocator().outer_allocator().id() == -1);
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}