1//===---------------------- catch_class_03.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/*
11    This test checks that adjustedPtr is correct as there exist offsets in this
12    object for the various subobjects, all of which have a unique id_ to
13    check against.
14*/
15
16#include <exception>
17#include <stdlib.h>
18#include <assert.h>
19
20struct B
21{
22    static int count;
23    int id_;
24    explicit B(int id) : id_(id) {count++;}
25    B(const B& a) : id_(a.id_) {count++;}
26    ~B() {count--;}
27};
28
29int B::count = 0;
30
31struct C1
32    : B
33{
34    static int count;
35    int id_;
36    explicit C1(int id) : B(id-2), id_(id) {count++;}
37    C1(const C1& a) : B(a.id_-2), id_(a.id_) {count++;}
38    ~C1() {count--;}
39};
40
41int C1::count = 0;
42
43struct C2
44    : B
45{
46    static int count;
47    int id_;
48    explicit C2(int id) : B(id-2), id_(id) {count++;}
49    C2(const C2& a) : B(a.id_-2), id_(a.id_) {count++;}
50    ~C2() {count--;}
51};
52
53int C2::count = 0;
54
55struct A
56    : C1, C2
57{
58    static int count;
59    int id_;
60    explicit A(int id) : C1(id-1), C2(id-2), id_(id) {count++;}
61    A(const A& a) : C1(a.id_-1), C2(a.id_-2), id_(a.id_) {count++;}
62    ~A() {count--;}
63};
64
65int A::count = 0;
66
67void f1()
68{
69    assert(A::count == 0);
70    assert(C1::count == 0);
71    assert(C2::count == 0);
72    assert(B::count == 0);
73    A a(5);
74    assert(A::count == 1);
75    assert(C1::count == 1);
76    assert(C2::count == 1);
77    assert(B::count == 2);
78
79    assert(a.id_ == 5);
80    assert(static_cast<C1&>(a).id_ == 4);
81    assert(static_cast<C2&>(a).id_ == 3);
82    assert(static_cast<B&>(static_cast<C1&>(a)).id_ == 2);
83    assert(static_cast<B&>(static_cast<C2&>(a)).id_ == 1);
84    throw a;
85    assert(false);
86}
87
88void f2()
89{
90    try
91    {
92        assert(A::count == 0);
93        assert(C1::count == 0);
94        assert(C2::count == 0);
95        assert(B::count == 0);
96        f1();
97        assert(false);
98    }
99    catch (const A& a)  // can catch A
100    {
101        assert(a.id_ == 5);
102        assert(static_cast<const C1&>(a).id_ == 4);
103        assert(static_cast<const C2&>(a).id_ == 3);
104        assert(static_cast<const B&>(static_cast<const C1&>(a)).id_ == 2);
105        assert(static_cast<const B&>(static_cast<const C2&>(a)).id_ == 1);
106        throw;
107    }
108    catch (const C1&)
109    {
110        assert(false);
111    }
112    catch (const C2&)
113    {
114        assert(false);
115    }
116    catch (const B&)
117    {
118        assert(false);
119    }
120}
121
122void f3()
123{
124    try
125    {
126        assert(A::count == 0);
127        assert(C1::count == 0);
128        assert(C2::count == 0);
129        assert(B::count == 0);
130        f2();
131        assert(false);
132    }
133    catch (const B& a)  // can not catch B (ambiguous base)
134    {
135        assert(false);
136    }
137    catch (const C1& c1)  // can catch C1
138    {
139        assert(c1.id_ == 4);
140        assert(static_cast<const B&>(c1).id_ == 2);
141        throw;
142    }
143    catch (const C2&)
144    {
145        assert(false);
146    }
147}
148
149void f4()
150{
151    try
152    {
153        assert(A::count == 0);
154        assert(C1::count == 0);
155        assert(C2::count == 0);
156        assert(B::count == 0);
157        f3();
158        assert(false);
159    }
160    catch (const B& a)  // can not catch B (ambiguous base)
161    {
162        assert(false);
163    }
164    catch (const C2& c2)  // can catch C2
165    {
166        assert(c2.id_ == 3);
167        assert(static_cast<const B&>(c2).id_ == 1);
168        throw;
169    }
170    catch (const C1&)
171    {
172        assert(false);
173    }
174}
175
176int main()
177{
178    try
179    {
180        f4();
181        assert(false);
182    }
183    catch (...)
184    {
185    }
186    assert(A::count == 0);
187    assert(C1::count == 0);
188    assert(C2::count == 0);
189    assert(B::count == 0);
190}
191