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150
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1 //===---------------------- catch_class_02.cpp ----------------------------===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8
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173
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9 // UNSUPPORTED: no-exceptions
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150
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10
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11 #include <exception>
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12 #include <stdlib.h>
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13 #include <assert.h>
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14
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15 struct B
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16 {
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17 static int count;
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18 int id_;
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19 explicit B(int id) : id_(id) {count++;}
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20 B(const B& a) : id_(a.id_) {count++;}
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21 ~B() {count--;}
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22 };
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23
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24 int B::count = 0;
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25
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26 struct A
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27 : B
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28 {
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29 static int count;
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30 int id_;
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31 explicit A(int id) : B(id-1), id_(id) {count++;}
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32 A(const A& a) : B(a.id_-1), id_(a.id_) {count++;}
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33 ~A() {count--;}
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34 };
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35
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36 int A::count = 0;
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37
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38 void f1()
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39 {
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40 assert(A::count == 0);
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41 assert(B::count == 0);
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42 A a(3);
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43 assert(A::count == 1);
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44 assert(B::count == 1);
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45 throw a;
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46 assert(false);
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47 }
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48
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49 void f2()
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50 {
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51 try
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52 {
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53 assert(A::count == 0);
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54 f1();
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55 assert(false);
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56 }
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57 catch (A a)
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58 {
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59 assert(A::count != 0);
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60 assert(B::count != 0);
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61 assert(a.id_ == 3);
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62 throw;
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63 }
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64 catch (B b)
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65 {
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66 assert(false);
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67 }
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68 }
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69
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70 int main()
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71 {
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72 try
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73 {
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74 f2();
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75 assert(false);
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76 }
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77 catch (const B& b)
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78 {
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79 assert(B::count != 0);
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80 assert(b.id_ == 2);
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81 }
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82 assert(A::count == 0);
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83 assert(B::count == 0);
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84 }
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