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0bbed51a MC |
1 | /* This test script is part of GDB, the GNU debugger. |
2 | ||
3 | Copyright 1993, 1994, 1997, 1998, 1999, 2003, 2004, | |
4 | Free Software Foundation, Inc. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 8 | the Free Software Foundation; either version 3 of the License, or |
0bbed51a MC |
9 | (at your option) any later version. |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
a9762ec7 | 15 | |
0bbed51a | 16 | You should have received a copy of the GNU General Public License |
a9762ec7 | 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
0bbed51a MC |
18 | */ |
19 | ||
c906108c SS |
20 | // Pls try the following program on virtual functions and try to do print on |
21 | // most of the code in main(). Almost none of them works ! | |
22 | ||
23 | // | |
24 | // The inheritance structure is: | |
25 | // | |
26 | // V : VA VB | |
27 | // A : (V) | |
28 | // B : A | |
29 | // D : AD (V) | |
30 | // C : (V) | |
31 | // E : B (V) D C | |
32 | // | |
33 | ||
34 | class VA | |
35 | { | |
36 | public: | |
37 | int va; | |
38 | }; | |
39 | ||
40 | class VB | |
41 | { | |
42 | public: | |
43 | int vb; | |
44 | int fvb(); | |
45 | virtual int vvb(); | |
46 | }; | |
47 | ||
48 | class V : public VA, public VB | |
49 | { | |
50 | public: | |
51 | int f(); | |
52 | virtual int vv(); | |
53 | int w; | |
54 | }; | |
55 | ||
56 | class A : virtual public V | |
57 | { | |
58 | public: | |
59 | virtual int f(); | |
60 | private: | |
61 | int a; | |
62 | }; | |
63 | ||
64 | class B : public A | |
65 | { | |
66 | public: | |
67 | int f(); | |
68 | private: | |
69 | int b; | |
70 | }; | |
71 | ||
72 | class C : public virtual V | |
73 | { | |
74 | public: | |
75 | int c; | |
76 | }; | |
77 | ||
78 | class AD | |
79 | { | |
80 | public: | |
81 | virtual int vg() = 0; | |
82 | }; | |
83 | ||
84 | class D : public AD, virtual public V | |
85 | { | |
86 | public: | |
87 | static void s(); | |
88 | virtual int vg(); | |
89 | virtual int vd(); | |
90 | int fd(); | |
91 | int d; | |
92 | }; | |
93 | ||
94 | class E : public B, virtual public V, public D, public C | |
95 | { | |
96 | public: | |
97 | int f(); | |
98 | int vg(); | |
99 | int vv(); | |
100 | int e; | |
101 | }; | |
102 | ||
103 | D dd; | |
104 | D* ppd = ⅆ | |
105 | AD* pAd = ⅆ | |
106 | ||
107 | A a; | |
108 | B b; | |
109 | C c; | |
110 | D d; | |
111 | E e; | |
112 | V v; | |
113 | VB vb; | |
114 | ||
115 | ||
116 | A* pAa = &a; | |
117 | A* pAe = &e; | |
118 | ||
119 | B* pBe = &e; | |
120 | ||
121 | D* pDd = &d; | |
122 | D* pDe = &e; | |
123 | ||
124 | V* pVa = &a; | |
125 | V* pVv = &v; | |
126 | V* pVe = &e; | |
127 | V* pVd = &d; | |
128 | ||
129 | AD* pADe = &e; | |
130 | ||
131 | E* pEe = &e; | |
132 | ||
133 | VB* pVB = &vb; | |
134 | ||
135 | void init() | |
136 | { | |
137 | a.vb = 1; | |
138 | b.vb = 2; | |
139 | c.vb = 3; | |
140 | d.vb = 4; | |
141 | e.vb = 5; | |
142 | v.vb = 6; | |
143 | vb.vb = 7; | |
144 | ||
145 | d.d = 1; | |
146 | e.d = 2; | |
147 | } | |
148 | ||
149 | extern "C" int printf(const char *, ...); | |
150 | ||
151 | int all_count = 0; | |
152 | int failed_count = 0; | |
153 | ||
154 | #define TEST(EXPR, EXPECTED) \ | |
155 | ret = EXPR; \ | |
156 | if (ret != EXPECTED) {\ | |
157 | printf("Failed %s is %d, should be %d!\n", #EXPR, ret, EXPECTED); \ | |
158 | failed_count++; } \ | |
159 | all_count++; | |
160 | ||
161 | int ret; | |
162 | ||
163 | void test_calls() | |
164 | { | |
165 | TEST(pAe->f(), 20); | |
166 | TEST(pAa->f(), 1); | |
167 | ||
168 | TEST(pDe->vg(), 202); | |
169 | TEST(pADe->vg(), 202); | |
170 | TEST(pDd->vg(), 101); | |
171 | ||
172 | TEST(pEe->vvb(), 411); | |
173 | ||
174 | TEST(pVB->vvb(), 407); | |
175 | ||
176 | TEST(pBe->vvb(), 411); | |
177 | TEST(pDe->vvb(), 411); | |
178 | ||
179 | TEST(pEe->vd(), 282); | |
180 | TEST(pEe->fvb(), 311); | |
181 | ||
182 | TEST(pEe->D::vg(), 102); | |
183 | printf("Did %d tests, of which %d failed.\n", all_count, failed_count); | |
184 | } | |
185 | #ifdef usestubs | |
186 | extern "C" { | |
187 | void set_debug_traps(); | |
188 | void breakpoint(); | |
189 | }; | |
190 | #endif | |
191 | ||
a0b3c4fd | 192 | int main() |
c906108c SS |
193 | { |
194 | #ifdef usestubs | |
195 | set_debug_traps(); | |
196 | breakpoint(); | |
197 | #endif | |
198 | init(); | |
199 | ||
200 | e.w = 7; | |
201 | e.vb = 11; | |
202 | ||
203 | test_calls(); | |
a0b3c4fd JM |
204 | return 0; |
205 | ||
c906108c SS |
206 | } |
207 | ||
208 | int A::f() {return 1;} | |
209 | int B::f() {return 2;} | |
210 | void D::s() {} | |
211 | int E::f() {return 20;} | |
212 | int D::vg() {return 100+d;} | |
213 | int E::vg() {return 200+d;} | |
214 | int V::f() {return 600+w;} | |
215 | int V::vv() {return 400+w;} | |
216 | int E::vv() {return 450+w;} | |
217 | int D::fd() {return 250+d;} | |
218 | int D::vd() {return 280+d;} | |
219 | int VB::fvb() {return 300+vb;} | |
220 | int VB::vvb() {return 400+vb;} |