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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <forward_list>
// forward_list() // constexpr since C++26
// forward_list::iterator() // constexpr since C++26
// forward_list::const_iterator() // constexpr since C++26
#include <forward_list>
#include <cassert>
#include "test_macros.h"
#include "min_allocator.h"
struct A {
std::forward_list<A> d;
std::forward_list<A>::iterator it;
std::forward_list<A>::const_iterator it2;
};
#if TEST_STD_VER >= 11
struct B {
typedef std::forward_list<B, min_allocator<B>> FList;
FList d;
FList::iterator it;
FList::const_iterator it2;
};
#endif
TEST_CONSTEXPR_CXX26 bool test() {
{
A a;
assert(a.d.empty());
a.it = a.d.begin();
a.it2 = a.d.cbefore_begin();
}
#if TEST_STD_VER >= 11
{
B b;
assert(b.d.empty());
b.it = b.d.begin();
b.it2 = b.d.cbefore_begin();
}
#endif
return true;
}
int main(int, char**) {
assert(test());
#if TEST_STD_VER >= 26
static_assert(test());
#endif
return 0;
}
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