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// { dg-options "-std=gnu++23" }
// { dg-do run { target c++23 } }
#include <ranges>
#include <algorithm>
#include <memory>
#include <testsuite_hooks.h>
#include <testsuite_iterators.h>
namespace ranges = std::ranges;
namespace views = std::views;
constexpr bool
test01()
{
std::unique_ptr<int> a[3] = { std::make_unique<int>(1),
std::make_unique<int>(2),
std::make_unique<int>(3) };
std::unique_ptr<int> b[3];
auto v = a | views::as_rvalue;
ranges::copy(v, b);
VERIFY( ranges::all_of(a, [](auto& p) { return p.get() == nullptr; }) );
VERIFY( ranges::equal(b | views::transform([](auto& p) { return *p; }), (int[]){1, 2, 3}) );
return true;
}
void
test02()
{
std::unique_ptr<int> x = std::make_unique<int>(42);
std::unique_ptr<int> y;
__gnu_test::test_input_range rx(&x, &x+1);
auto v = rx | views::as_rvalue;
static_assert(!ranges::common_range<decltype(v)>);
ranges::copy(v, &y);
VERIFY( x.get() == nullptr );
VERIFY( *y == 42 );
}
int
main()
{
static_assert(test01());
test02();
}
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