libcxx/test/std/depr/depr.auto.ptr/auto.ptr/AB.h

   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 #ifndef AB_H
  10 #define AB_H
  11
  12 #include <cassert>
  13
  14 class A
  15 {
  16     int id_;
  17 public:
  18     explicit A(int id) : id_(id) {++count;}
  19     A(const A& a) : id_(a.id_) {++count;}
  20     virtual ~A() {assert(id_ >= 0); id_ = -1; --count;}
  21
  22     A& operator=(const A& other) { id_ = other.id_; return *this; }
  23
  24     static int count;
  25 };
  26
  27 int A::count = 0;
  28
  29 class B
  30     : public A
  31 {
  32 public:
  33     explicit B(int id) : A(id) {++count;}
  34     B(const B& a) : A(a) {++count;}
  35     virtual ~B() {--count;}
  36
  37     static int count;
  38 };
  39
  40 int B::count = 0;
  41
  42 #endif // AB_H