Commit | Line | Data |
---|---|---|
0bbed51a MC |
1 | /* This test script is part of GDB, the GNU debugger. |
2 | ||
618f726f | 3 | Copyright 1993-2016 Free Software Foundation, Inc. |
0bbed51a MC |
4 | |
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 7 | the Free Software Foundation; either version 3 of the License, or |
0bbed51a MC |
8 | (at your option) any later version. |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
a9762ec7 | 14 | |
0bbed51a | 15 | You should have received a copy of the GNU General Public License |
47d48711 | 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
0bbed51a | 17 | |
c906108c SS |
18 | // Pls try the following program on virtual functions and try to do print on |
19 | // most of the code in main(). Almost none of them works ! | |
20 | ||
21 | // | |
22 | // The inheritance structure is: | |
23 | // | |
24 | // V : VA VB | |
25 | // A : (V) | |
26 | // B : A | |
27 | // D : AD (V) | |
28 | // C : (V) | |
29 | // E : B (V) D C | |
30 | // | |
31 | ||
32 | class VA | |
33 | { | |
34 | public: | |
35 | int va; | |
36 | }; | |
37 | ||
38 | class VB | |
39 | { | |
40 | public: | |
41 | int vb; | |
42 | int fvb(); | |
43 | virtual int vvb(); | |
44 | }; | |
45 | ||
46 | class V : public VA, public VB | |
47 | { | |
48 | public: | |
49 | int f(); | |
50 | virtual int vv(); | |
51 | int w; | |
52 | }; | |
53 | ||
54 | class A : virtual public V | |
55 | { | |
56 | public: | |
57 | virtual int f(); | |
58 | private: | |
59 | int a; | |
60 | }; | |
61 | ||
62 | class B : public A | |
63 | { | |
64 | public: | |
65 | int f(); | |
66 | private: | |
67 | int b; | |
68 | }; | |
69 | ||
70 | class C : public virtual V | |
71 | { | |
72 | public: | |
73 | int c; | |
74 | }; | |
75 | ||
76 | class AD | |
77 | { | |
78 | public: | |
79 | virtual int vg() = 0; | |
80 | }; | |
81 | ||
82 | class D : public AD, virtual public V | |
83 | { | |
84 | public: | |
85 | static void s(); | |
86 | virtual int vg(); | |
87 | virtual int vd(); | |
88 | int fd(); | |
89 | int d; | |
90 | }; | |
91 | ||
92 | class E : public B, virtual public V, public D, public C | |
93 | { | |
94 | public: | |
95 | int f(); | |
96 | int vg(); | |
97 | int vv(); | |
98 | int e; | |
99 | }; | |
100 | ||
101 | D dd; | |
102 | D* ppd = ⅆ | |
103 | AD* pAd = ⅆ | |
104 | ||
105 | A a; | |
106 | B b; | |
107 | C c; | |
108 | D d; | |
109 | E e; | |
110 | V v; | |
111 | VB vb; | |
c4aeac85 | 112 | VA va; |
c906108c SS |
113 | |
114 | ||
115 | A* pAa = &a; | |
116 | A* pAe = &e; | |
117 | ||
118 | B* pBe = &e; | |
119 | ||
120 | D* pDd = &d; | |
121 | D* pDe = &e; | |
122 | ||
123 | V* pVa = &a; | |
124 | V* pVv = &v; | |
125 | V* pVe = &e; | |
126 | V* pVd = &d; | |
127 | ||
128 | AD* pADe = &e; | |
129 | ||
130 | E* pEe = &e; | |
131 | ||
132 | VB* pVB = &vb; | |
133 | ||
134 | void init() | |
135 | { | |
136 | a.vb = 1; | |
137 | b.vb = 2; | |
138 | c.vb = 3; | |
139 | d.vb = 4; | |
140 | e.vb = 5; | |
141 | v.vb = 6; | |
142 | vb.vb = 7; | |
143 | ||
144 | d.d = 1; | |
145 | e.d = 2; | |
146 | } | |
147 | ||
148 | extern "C" int printf(const char *, ...); | |
149 | ||
150 | int all_count = 0; | |
151 | int failed_count = 0; | |
152 | ||
153 | #define TEST(EXPR, EXPECTED) \ | |
154 | ret = EXPR; \ | |
155 | if (ret != EXPECTED) {\ | |
156 | printf("Failed %s is %d, should be %d!\n", #EXPR, ret, EXPECTED); \ | |
157 | failed_count++; } \ | |
158 | all_count++; | |
159 | ||
160 | int ret; | |
161 | ||
162 | void test_calls() | |
163 | { | |
164 | TEST(pAe->f(), 20); | |
165 | TEST(pAa->f(), 1); | |
166 | ||
167 | TEST(pDe->vg(), 202); | |
168 | TEST(pADe->vg(), 202); | |
169 | TEST(pDd->vg(), 101); | |
170 | ||
171 | TEST(pEe->vvb(), 411); | |
172 | ||
173 | TEST(pVB->vvb(), 407); | |
174 | ||
175 | TEST(pBe->vvb(), 411); | |
176 | TEST(pDe->vvb(), 411); | |
177 | ||
178 | TEST(pEe->vd(), 282); | |
179 | TEST(pEe->fvb(), 311); | |
180 | ||
181 | TEST(pEe->D::vg(), 102); | |
182 | printf("Did %d tests, of which %d failed.\n", all_count, failed_count); | |
183 | } | |
c906108c | 184 | |
a0b3c4fd | 185 | int main() |
c906108c | 186 | { |
c906108c SS |
187 | init(); |
188 | ||
189 | e.w = 7; | |
190 | e.vb = 11; | |
191 | ||
192 | test_calls(); | |
a0b3c4fd JM |
193 | return 0; |
194 | ||
c906108c SS |
195 | } |
196 | ||
197 | int A::f() {return 1;} | |
198 | int B::f() {return 2;} | |
199 | void D::s() {} | |
200 | int E::f() {return 20;} | |
201 | int D::vg() {return 100+d;} | |
202 | int E::vg() {return 200+d;} | |
203 | int V::f() {return 600+w;} | |
204 | int V::vv() {return 400+w;} | |
205 | int E::vv() {return 450+w;} | |
206 | int D::fd() {return 250+d;} | |
207 | int D::vd() {return 280+d;} | |
208 | int VB::fvb() {return 300+vb;} | |
209 | int VB::vvb() {return 400+vb;} |