1  //===---------------------- catch_class_01.cpp ----------------------------===//
 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  // UNSUPPORTED: no-exceptions
10  
11  #include <exception>
12  #include <stdlib.h>
13  #include <assert.h>
14  
15  struct A
16  {
17      static int count;
18      int id_;
19      explicit A(int id) : id_(id) {count++;}
20      A(const A& a) : id_(a.id_) {count++;}
21      ~A() {count--;}
22  };
23  
24  int A::count = 0;
25  
26  void f1()
27  {
28      throw A(3);
29  }
30  
31  void f2()
32  {
33      try
34      {
35          assert(A::count == 0);
36          f1();
37      }
38      catch (A a)
39      {
40          assert(A::count != 0);
41          assert(a.id_ == 3);
42          throw;
43      }
44  }
45  
46  int main(int, char**)
47  {
48      try
49      {
50          f2();
51          assert(false);
52      }
53      catch (const A& a)
54      {
55          assert(A::count != 0);
56          assert(a.id_ == 3);
57      }
58      assert(A::count == 0);
59  
60      return 0;
61  }