libcxx/test/std/containers/sequences/list/list.cons/dtor.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 // <list>
  10
  11 // ~list()
  12
  13 // no emplace_back in C++03
  14 // UNSUPPORTED: c++03
  15
  16 #include <list>
  17 #include <cassert>
  18 #include <set>
  19
  20 #include "test_macros.h"
  21
  22
  23 std::set<int> destroyed;
  24
  25 struct Foo {
  26     explicit Foo(int i) : value(i) { }
  27     ~Foo() { destroyed.insert(value); }
  28     int value;
  29 };
  30
  31 int main(int, char**)
  32 {
  33     {
  34         std::list<Foo> list;
  35         list.emplace_back(1);
  36         list.emplace_back(2);
  37         list.emplace_back(3);
  38         assert(destroyed.empty());
  39     }
  40     assert(destroyed.count(1) == 1);
  41     assert(destroyed.count(2) == 1);
  42     assert(destroyed.count(3) == 1);
  43
  44     return 0;
  45 }