libcxxabi/test/catch_class_01.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 // 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 }