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// { dg-options "-std=gnu++23" }
// { dg-do compile { target c++23 } }
#include <memory>
#include <testsuite_hooks.h>
constexpr bool
test_swap_single()
{
std::unique_ptr<int> p1;
swap(p1, p1);
VERIFY( !p1 );
std::unique_ptr<int> p2;
swap(p1, p2);
VERIFY( !p1 && !p2 );
std::unique_ptr<int> p3(new int(3));
swap(p3, p3);
VERIFY( *p3 == 3 );
swap(p1, p3);
VERIFY( *p1 == 3 );
std::unique_ptr<int> p4(new int(4));
swap(p4, p1);
VERIFY( *p4 == 3 );
VERIFY( *p1 == 4 );
return true;
}
static_assert( test_swap_single() );
constexpr bool
test_swap_array()
{
std::unique_ptr<int[]> a1;
std::unique_ptr<int[]> a2;
swap(a1, a2);
VERIFY( !a1 && !a2 );
std::unique_ptr<int[]> a3(new int[]{3});
swap(a1, a3);
VERIFY( a1[0] == 3 );
std::unique_ptr<int[]> a4(new int[]{4, 5});
swap(a1, a4);
VERIFY( a1[1] == 5 );
return true;
}
static_assert( test_swap_array() );
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