libcxx/test/std/containers/sequences/forwardlist/incomplete.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // <forward_list>
  10
  11 // forward_list()
  12 // forward_list::iterator()
  13 // forward_list::const_iterator()
  14
  15 #include <forward_list>
  16 #include <cassert>
  17
  18 #include "test_macros.h"
  19 #include "min_allocator.h"
  20
  21 struct A {
  22   std::forward_list<A> d;
  23   std::forward_list<A>::iterator it;
  24   std::forward_list<A>::const_iterator it2;
  25 };
  26
  27 #if TEST_STD_VER >= 11
  28 struct B {
  29   typedef std::forward_list<B, min_allocator<B>> FList;
  30   FList d;
  31   FList::iterator it;
  32   FList::const_iterator it2;
  33 };
  34 #endif
  35
  36 int main(int, char**)
  37 {
  38   {
  39     A a;
  40     assert(a.d.empty());
  41     a.it = a.d.begin();
  42     a.it2 = a.d.cbefore_begin();
  43   }
  44 #if TEST_STD_VER >= 11
  45   {
  46     B b;
  47     assert(b.d.empty());
  48     b.it = b.d.begin();
  49     b.it2 = b.d.cbefore_begin();
  50   }
  51 #endif
  52
  53   return 0;
  54 }