1 //===---------------------- catch_class_02.cpp ----------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include <exception> 11 #include <stdlib.h> 12 #include <assert.h> 13 14 struct B 15 { 16 static int count; 17 int id_; 18 explicit B(int id) : id_(id) {count++;} 19 B(const B& a) : id_(a.id_) {count++;} 20 ~B() {count--;} 21 }; 22 23 int B::count = 0; 24 25 struct A 26 : B 27 { 28 static int count; 29 int id_; 30 explicit A(int id) : B(id-1), id_(id) {count++;} 31 A(const A& a) : B(a.id_-1), id_(a.id_) {count++;} 32 ~A() {count--;} 33 }; 34 35 int A::count = 0; 36 37 void f1() 38 { 39 assert(A::count == 0); 40 assert(B::count == 0); 41 A a(3); 42 assert(A::count == 1); 43 assert(B::count == 1); 44 throw a; 45 assert(false); 46 } 47 48 void f2() 49 { 50 try 51 { 52 assert(A::count == 0); 53 f1(); 54 assert(false); 55 } 56 catch (A a) 57 { 58 assert(A::count != 0); 59 assert(B::count != 0); 60 assert(a.id_ == 3); 61 throw; 62 } 63 catch (B b) 64 { 65 assert(false); 66 } 67 } 68 69 int main() 70 { 71 try 72 { 73 f2(); 74 assert(false); 75 } 76 catch (const B& b) 77 { 78 assert(B::count != 0); 79 assert(b.id_ == 2); 80 } 81 assert(A::count == 0); 82 assert(B::count == 0); 83 } 84
