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comparison libcxxabi/test/test_aux_runtime.pass.cpp @ 207:2e18cbf3894f

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LLVM12
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Tue, 08 Jun 2021 06:07:14 +0900
parents 0572611fdcc8
children c4bab56944e8
comparison
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173:0572611fdcc8 207:2e18cbf3894f
7 //===----------------------------------------------------------------------===// 7 //===----------------------------------------------------------------------===//
8 8
9 // UNSUPPORTED: no-exceptions 9 // UNSUPPORTED: no-exceptions
10 10
11 #include <typeinfo> 11 #include <typeinfo>
12 #include <iostream>
13 12
14 // Test taken from 5.2.8.2 13 // Test taken from 5.2.8.2
15 // When typeid is applied to a glvalue expression whose type is a polymorphic 14 // When typeid is applied to a glvalue expression whose type is a polymorphic
16 // class type, (10.3), the result refers to a std::type_info object 15 // class type, (10.3), the result refers to a std::type_info object
17 // representing the type of the most derived object (1.8) (that is, the 16 // representing the type of the most derived object (1.8) (that is, the
28 27
29 B *bp = NULL; 28 B *bp = NULL;
30 try {bool b = typeid(*bp) == typeid (A); ((void)b); } 29 try {bool b = typeid(*bp) == typeid (A); ((void)b); }
31 catch ( const std::bad_typeid &) { return true; } 30 catch ( const std::bad_typeid &) { return true; }
32 return false; 31 return false;
33 } 32 }
34 33
35 34
36 // The value of a failed cast to pointer type is the null pointer value of 35 // The value of a failed cast to pointer type is the null pointer value of
37 // the required result type. A failed cast to reference type throws 36 // the required result type. A failed cast to reference type throws
38 // std::bad_cast (18.7.2). 37 // std::bad_cast (18.7.2).
44 D d; 43 D d;
45 B *bp = (B*)&d; // cast needed to break protection 44 B *bp = (B*)&d; // cast needed to break protection
46 try { D &dr = dynamic_cast<D&> (*bp); ((void)dr); } 45 try { D &dr = dynamic_cast<D&> (*bp); ((void)dr); }
47 catch ( const std::bad_cast & ) { return true; } 46 catch ( const std::bad_cast & ) { return true; }
48 return false; 47 return false;
49 } 48 }
50 49
51 int main ( ) { 50 int main ( ) {
52 int ret_val = 0; 51 int ret_val = 0;
53 52
54 if ( !bad_typeid_test ()) { 53 if ( !bad_typeid_test ()) {
55 std::cerr << "TypeID test failed!" << std::endl;
56 ret_val = 1; 54 ret_val = 1;
57 } 55 }
58 56
59 if ( !bad_cast_test ()) { 57 if ( !bad_cast_test ()) {
60 std::cerr << "Bad cast test failed!" << std::endl; 58 ret_val = 2;
61 ret_val = 1;
62 } 59 }
63 60
64 return ret_val; 61 return ret_val;
65 } 62 }