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// { dg-do run { target c++23 } }
#include <algorithm>
#include <testsuite_hooks.h>
#include <testsuite_iterators.h>
namespace ranges = std::ranges;
template<int N> constexpr auto ne = [](int m) { return m != N; };
constexpr bool
test01()
{
int x[] = {1, 2, 1, 2, 1, 2, 1, 2};
auto sr0 = ranges::find_last_if_not(x, ne<0>);
VERIFY( ranges::empty(sr0) );
VERIFY( sr0.begin() == ranges::end(x) );
auto sr1 = ranges::find_last_if_not(x, ne<1>);
VERIFY( ranges::equal(sr1, (int[]){1, 2}) );
VERIFY( sr1.begin() == &x[6] );
auto sr2 = ranges::find_last_if_not(x, ne<2>);
VERIFY( ranges::equal(sr2, (int[]){2}) );
VERIFY( sr2.begin() == &x[7] );
auto plus3 = [](int n) { return n+3; };
auto sr3 = ranges::find_last_if_not(x, ne<3>, plus3);
VERIFY( ranges::empty(sr3) );
VERIFY( sr3.begin() == ranges::end(x) );
auto sr4 = ranges::find_last_if_not(x, ne<4>, plus3);
VERIFY( ranges::equal(sr4, (int[]){1, 2}) );
VERIFY( sr4.begin() == &x[6] );
auto sr5 = ranges::find_last_if_not(x, ne<5>, plus3);
VERIFY( ranges::equal(sr5, (int[]){2}) );
VERIFY( sr5.begin() == &x[7] );
return true;
}
void
test02()
{
int x[] = {1, 2, 3, 1, 2, 3, 1, 2, 3};
__gnu_test::test_forward_range<int> rx(x);
auto sr0 = ranges::find_last_if_not(rx, ne<0>);
VERIFY( ranges::empty(sr0) );
VERIFY( sr0.begin() == ranges::end(rx) );
auto sr1 = ranges::find_last_if_not(rx, ne<1>);
VERIFY( ranges::equal(sr1, (int[]){1, 2, 3}) );
VERIFY( sr1.begin().ptr == &x[6] );
auto sr2 = ranges::find_last_if_not(rx, ne<2>);
VERIFY( ranges::equal(sr2, (int[]){2, 3}) );
VERIFY( sr2.begin().ptr == &x[7] );
auto sr3 = ranges::find_last_if_not(rx, ne<3>);
VERIFY( ranges::equal(sr3, (int[]){3}) );
VERIFY( sr3.begin().ptr == &x[8] );
auto plus4 = [](int n) { return n+4; };
auto sr4 = ranges::find_last_if_not(rx, ne<4>, plus4);
VERIFY( ranges::empty(sr4) );
VERIFY( sr4.begin() == ranges::end(rx) );
auto sr5 = ranges::find_last_if_not(rx, ne<5>, plus4);
VERIFY( ranges::equal(sr5, (int[]){1, 2, 3}) );
VERIFY( sr5.begin().ptr == &x[6] );
auto sr6 = ranges::find_last_if_not(rx, ne<6>, plus4);
VERIFY( ranges::equal(sr6, (int[]){2, 3}) );
VERIFY( sr6.begin().ptr == &x[7] );
auto sr7 = ranges::find_last_if_not(rx, ne<7>, plus4);
VERIFY( ranges::equal(sr7, (int[]){3}) );
VERIFY( sr7.begin().ptr == &x[8] );
}
int
main()
{
static_assert(test01());
test02();
}
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