Commit | Line | Data |
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d4f3574e | 1 | # Tests for anonymous union support. |
9b254dd1 | 2 | # Copyright 1998, 1999, 2003, 2004, 2007, 2008 Free Software Foundation, Inc. |
c906108c SS |
3 | |
4 | # This program is free software; you can redistribute it and/or modify | |
5 | # it under the terms of the GNU General Public License as published by | |
e22f8b7c | 6 | # the Free Software Foundation; either version 3 of the License, or |
c906108c | 7 | # (at your option) any later version. |
e22f8b7c | 8 | # |
c906108c SS |
9 | # This program is distributed in the hope that it will be useful, |
10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | # GNU General Public License for more details. | |
e22f8b7c | 13 | # |
c906108c | 14 | # You should have received a copy of the GNU General Public License |
e22f8b7c | 15 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
c906108c | 16 | |
c906108c SS |
17 | # Written by Satish Pai <pai@apollo.hp.com> 1997-08-19 |
18 | ||
19 | # This file is part of the gdb testsuite | |
20 | ||
21 | if $tracelevel then { | |
22 | strace $tracelevel | |
23 | } | |
24 | ||
25 | # | |
26 | # test running programs | |
27 | # | |
28 | ||
29 | set prms_id 0 | |
30 | set bug_id 0 | |
31 | ||
d4f3574e SS |
32 | if { [skip_cplus_tests] } { continue } |
33 | ||
c906108c SS |
34 | set testfile "anon-union" |
35 | set srcfile ${testfile}.cc | |
36 | set binfile ${objdir}/${subdir}/${testfile} | |
d4f3574e | 37 | |
c906108c | 38 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } { |
29518e1e MC |
39 | perror "Testcase compile failed" 0 |
40 | continue | |
c906108c SS |
41 | } |
42 | ||
43 | # Start with a fresh gdb | |
44 | gdb_exit | |
45 | gdb_start | |
46 | gdb_reinitialize_dir $srcdir/$subdir | |
47 | gdb_load ${binfile} | |
48 | ||
49 | ||
50 | if ![runto_main] then { | |
51 | perror "couldn't run to breakpoint" | |
52 | continue | |
53 | } | |
54 | ||
55 | send_gdb "set width 0\n" | |
56 | gdb_expect -re "$gdb_prompt $" | |
57 | ||
58 | #send_gdb "ptype foo\n" | |
59 | #gdb_expect { | |
60 | # -re "\r\n$gdb_prompt $" { | |
61 | # pass "ptype foo" | |
62 | # } | |
63 | # -re ".*$gdb_prompt $" { fail "ptype foo" } | |
64 | # timeout { fail "(timeout) ptype foo" } | |
65 | #} | |
66 | ||
67 | #send_gdb "ptype bar\n" | |
68 | #gdb_expect { | |
69 | # -re "\r\n$gdb_prompt $" { | |
70 | # pass "ptype foo" | |
71 | # } | |
72 | # -re ".*$gdb_prompt $" { fail "ptype foo" } | |
73 | # timeout { fail "(timeout) ptype foo" } | |
74 | #} | |
75 | ||
76 | # NOTE: Add -- ptype foo.x, etc. when things are working | |
77 | ||
a0b3c4fd JM |
78 | #Initialize foo |
79 | send_gdb "next\n" | |
80 | gdb_expect { | |
81 | -re "40\[ \t\]*foo.paper = 33;\r\n$gdb_prompt $" { | |
82 | pass "next 1" | |
83 | } | |
84 | -re ".*$gdb_prompt $" { fail "next 1" } | |
85 | timeout { fail "(timeout) next 1" } | |
86 | } | |
87 | ||
c906108c SS |
88 | # Print out the big anon union. |
89 | send_gdb "print foo\n" | |
90 | gdb_expect { | |
91 | -re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 0, x = \{rock = 0, rock2 = 0\}, \{qux = 0, mux = 0\}, boulder = 0\}, \{paper = 0, cloth = 0\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" { | |
92 | pass "print foo 1" | |
93 | } | |
94 | -re ".*$gdb_prompt $" { fail "print foo 1" } | |
95 | timeout { fail "(timeout) print foo 1" } | |
96 | } | |
97 | ||
98 | # Step over assignment to member | |
99 | ||
100 | send_gdb "next\n" | |
101 | gdb_expect { | |
102 | -re "41\[ \t\]*foo.pebble = 44;\r\n$gdb_prompt $" { | |
103 | pass "next 1" | |
104 | } | |
105 | -re ".*$gdb_prompt $" { fail "next 1" } | |
106 | timeout { fail "(timeout) next 1" } | |
107 | } | |
108 | ||
109 | # Now print out anon union again | |
110 | send_gdb "print foo\n" | |
111 | gdb_expect { | |
112 | -re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 0, x = \{rock = 0, rock2 = 0\}, \{qux = 0, mux = 0\}, boulder = 0\}, \{paper = 33, cloth = 33\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" { | |
113 | pass "print foo 2" | |
114 | } | |
115 | -re ".*$gdb_prompt $" { fail "print foo 2" } | |
116 | timeout { fail "(timeout) print foo 2" } | |
117 | } | |
118 | ||
119 | # Modify the member just set | |
120 | send_gdb "set var foo.cloth = 35\n" | |
121 | gdb_expect { | |
122 | -re "\r\n$gdb_prompt $" { | |
123 | pass "set var foo.cloth" | |
124 | } | |
125 | timeout { fail "(timeout) set var foo.cloth" } | |
126 | } | |
127 | ||
128 | # Now print out anon union again to see if the right member was set | |
129 | send_gdb "print foo\n" | |
130 | gdb_expect { | |
131 | -re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 0, x = \{rock = 0, rock2 = 0\}, \{qux = 0, mux = 0\}, boulder = 0\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" { | |
132 | pass "print foo 3" | |
133 | } | |
134 | -re ".*$gdb_prompt $" { fail "print foo 3" } | |
135 | timeout { fail "(timeout) print foo 3" } | |
136 | } | |
137 | ||
138 | ||
139 | # Step over next assignment to member | |
140 | ||
141 | send_gdb "next\n" | |
142 | gdb_expect { | |
143 | -re "42\[ \t\]*foo.mux = 55;\r\n$gdb_prompt $" { | |
144 | pass "next 2" | |
145 | } | |
146 | -re ".*$gdb_prompt $" { fail "next 2" } | |
147 | timeout { fail "(timeout) next 2" } | |
148 | } | |
149 | ||
150 | # Now print out anon union again | |
151 | send_gdb "print foo\n" | |
152 | gdb_expect { | |
153 | -re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 44, x = \{rock = 44, rock2 = 0\}, \{qux = 44, mux = 44\}, boulder = 44\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" { | |
154 | pass "print foo 4" | |
155 | } | |
156 | -re ".*$gdb_prompt $" { fail "print foo 4" } | |
157 | timeout { fail "(timeout) print foo 4" } | |
158 | } | |
159 | ||
160 | # Modify the member just set | |
161 | send_gdb "set var foo.pebble = 45\n" | |
162 | gdb_expect { | |
163 | -re "\r\n$gdb_prompt $" { | |
164 | pass "set var foo.pebble" | |
165 | } | |
166 | timeout { fail "(timeout) set var foo.pebble" } | |
167 | } | |
168 | ||
169 | # Now print out anon union again to see if the right member was set | |
170 | send_gdb "print foo\n" | |
171 | gdb_expect { | |
172 | -re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 45, x = \{rock = 45, rock2 = 0\}, \{qux = 45, mux = 45\}, boulder = 45\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" { | |
173 | pass "print foo 5" | |
174 | } | |
175 | -re ".*$gdb_prompt $" { fail "print foo 5" } | |
176 | timeout { fail "(timeout) print foo 5" } | |
177 | } | |
178 | ||
179 | # Modify another member at a different level | |
180 | send_gdb "set var foo.qux = 46\n" | |
181 | gdb_expect { | |
182 | -re "\r\n$gdb_prompt $" { | |
183 | pass "set var foo.qux" | |
184 | } | |
185 | timeout { fail "(timeout) set var foo.qux" } | |
186 | } | |
187 | ||
188 | # Now print out anon union again to see if the right member was set | |
189 | send_gdb "print foo\n" | |
190 | gdb_expect { | |
191 | -re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 46, x = \{rock = 46, rock2 = 0\}, \{qux = 46, mux = 46\}, boulder = 46\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" { | |
192 | pass "print foo 6" | |
193 | } | |
194 | -re ".*$gdb_prompt $" { fail "print foo 6" } | |
195 | timeout { fail "(timeout) print foo 6" } | |
196 | } | |
197 | ||
198 | # Modify the member at another level, but not the first one in the union | |
199 | send_gdb "set var foo.mux = 47\n" | |
200 | gdb_expect { | |
201 | -re "\r\n$gdb_prompt $" { | |
202 | pass "set var foo.mux" | |
203 | } | |
204 | timeout { fail "(timeout) set var foo.mux" } | |
205 | } | |
206 | ||
207 | # Now print out anon union again to see if things worked | |
208 | send_gdb "print foo\n" | |
209 | gdb_expect { | |
210 | -re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 47, x = \{rock = 47, rock2 = 0\}, \{qux = 47, mux = 47\}, boulder = 47\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" { | |
211 | pass "print foo 7" | |
212 | } | |
213 | -re ".*$gdb_prompt $" { fail "print foo 7" } | |
214 | timeout { fail "(timeout) print foo 7" } | |
215 | } | |
216 | ||
217 | # Modify a member of a struct in an anon union | |
218 | send_gdb "set var foo.x.rock = 48\n" | |
219 | gdb_expect { | |
220 | -re "\r\n$gdb_prompt $" { | |
221 | pass "set var foo.x.rock" | |
222 | } | |
223 | timeout { fail "(timeout) set var foo.x.rock" } | |
224 | } | |
225 | ||
226 | # Now print out anon union again to see if things worked | |
227 | send_gdb "print foo\n" | |
228 | gdb_expect { | |
229 | -re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 48, x = \{rock = 48, rock2 = 0\}, \{qux = 48, mux = 48\}, boulder = 48\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" { | |
230 | pass "print foo 8" | |
231 | } | |
232 | -re ".*$gdb_prompt $" { fail "print foo 8" } | |
233 | timeout { fail "(timeout) print foo 8" } | |
234 | } | |
235 | ||
236 | # Modify a member of a struct in an anon union, but something | |
237 | # that doesn't alias to some other union member | |
238 | send_gdb "set var foo.x.rock2 = 49\n" | |
239 | gdb_expect { | |
240 | -re "\r\n$gdb_prompt $" { | |
241 | pass "set var foo.x.rock2" | |
242 | } | |
243 | timeout { fail "(timeout) set var foo.x.rock2" } | |
244 | } | |
245 | ||
246 | # Now print out anon union again to see if things worked | |
247 | send_gdb "print foo\n" | |
248 | gdb_expect { | |
249 | -re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 48, x = \{rock = 48, rock2 = 49\}, \{qux = 48, mux = 48\}, boulder = 48\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" { | |
250 | pass "print foo 9" | |
251 | } | |
252 | -re ".*$gdb_prompt $" { fail "print foo 9" } | |
253 | timeout { fail "(timeout) print foo 9" } | |
254 | } | |
255 | ||
256 | ||
a0b3c4fd JM |
257 | # Step over next four assignments |
258 | send_gdb "next 4\n" | |
c906108c | 259 | gdb_expect { |
a0b3c4fd | 260 | -re "53\[ \t\]*w = 45;\r\n$gdb_prompt $" { |
c906108c SS |
261 | pass "next 3" |
262 | } | |
263 | -re ".*$gdb_prompt $" { fail "next 3" } | |
264 | timeout { fail "(timeout) next 3" } | |
265 | } | |
266 | ||
267 | # Tests for anon unions that are not members of a class or struct | |
268 | ||
a0b3c4fd JM |
269 | send_gdb "print w\n" |
270 | gdb_expect { | |
271 | -re "\\$\[0-9\]* = 0\r\n$gdb_prompt $" { | |
272 | pass "print w 1" | |
273 | } | |
274 | -re ".*$gdb_prompt $" { fail "print w 1" } | |
275 | timeout { fail "(timeout) print w 1" } | |
276 | } | |
277 | ||
278 | send_gdb "print z\n" | |
279 | gdb_expect { | |
280 | -re "\\$\[0-9\]* = 0\r\n$gdb_prompt $" { | |
281 | pass "print z 1" | |
282 | } | |
283 | -re ".*$gdb_prompt $" { fail "print z 1" } | |
284 | timeout { fail "(timeout) print z 1" } | |
285 | } | |
c906108c SS |
286 | |
287 | # Step over next assignment to w | |
288 | send_gdb "next\n" | |
289 | gdb_expect { | |
e1c2defa | 290 | -re "55\[ \t\]*int j = 0;\r\n$gdb_prompt $" { |
c906108c SS |
291 | pass "next 4" |
292 | } | |
293 | -re ".*$gdb_prompt $" { fail "next 4" } | |
294 | timeout { fail "(timeout) next 4" } | |
295 | } | |
296 | ||
297 | # See if the change in value is noticed | |
298 | send_gdb "print w\n" | |
299 | gdb_expect { | |
300 | -re "\\$\[0-9\]* = 45\r\n$gdb_prompt $" { | |
301 | pass "print w 2" | |
302 | } | |
303 | -re ".*$gdb_prompt $" { fail "print w 2" } | |
304 | timeout { fail "(timeout) print w 2" } | |
305 | } | |
306 | ||
307 | # See if z shows the same value | |
308 | send_gdb "print z\n" | |
309 | gdb_expect { | |
310 | -re "\\$\[0-9\]* = 45\r\n$gdb_prompt $" { | |
311 | pass "print z 2" | |
312 | } | |
313 | -re ".*$gdb_prompt $" { fail "print z 2" } | |
314 | timeout { fail "(timeout) print z 2" } | |
315 | } | |
316 | ||
317 | # Set the anon union member | |
318 | send_gdb "set var z = 27\n" | |
319 | gdb_expect { | |
320 | -re "\r\n$gdb_prompt $" { | |
321 | pass "set var z" | |
322 | } | |
323 | timeout { fail "(timeout) set var z" } | |
324 | } | |
325 | ||
326 | # See if the change in value is noticed | |
327 | send_gdb "print w\n" | |
328 | gdb_expect { | |
329 | -re "\\$\[0-9\]* = 27\r\n$gdb_prompt $" { | |
330 | pass "print w 3" | |
331 | } | |
332 | -re ".*$gdb_prompt $" { fail "print w 3" } | |
333 | timeout { fail "(timeout) print w 3" } | |
334 | } | |
335 | ||
336 | # See if z shows the same value | |
337 | send_gdb "print z\n" | |
338 | gdb_expect { | |
339 | -re "\\$\[0-9\]* = 27\r\n$gdb_prompt $" { | |
340 | pass "print z 3" | |
341 | } | |
342 | -re ".*$gdb_prompt $" { fail "print z 3" } | |
343 | timeout { fail "(timeout) print z 3" } | |
344 | } |