Commit | Line | Data |
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d4f3574e | 1 | # Tests for anonymous union support. |
b6ba6518 | 2 | # Copyright 1998, 1999 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 | |
6 | # the Free Software Foundation; either version 2 of the License, or | |
7 | # (at your option) any later version. | |
8 | # | |
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. | |
13 | # | |
14 | # You should have received a copy of the GNU General Public License | |
15 | # along with this program; if not, write to the Free Software | |
16 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
17 | ||
18 | # Please email any bugs, comments, and/or additions to this file to: | |
19 | # bug-gdb@prep.ai.mit.edu | |
20 | ||
c906108c SS |
21 | # Written by Satish Pai <pai@apollo.hp.com> 1997-08-19 |
22 | ||
23 | # This file is part of the gdb testsuite | |
24 | ||
25 | if $tracelevel then { | |
26 | strace $tracelevel | |
27 | } | |
28 | ||
29 | # | |
30 | # test running programs | |
31 | # | |
32 | ||
33 | set prms_id 0 | |
34 | set bug_id 0 | |
35 | ||
d4f3574e SS |
36 | if { [skip_cplus_tests] } { continue } |
37 | ||
c906108c SS |
38 | set testfile "anon-union" |
39 | set srcfile ${testfile}.cc | |
40 | set binfile ${objdir}/${subdir}/${testfile} | |
d4f3574e | 41 | |
c906108c SS |
42 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } { |
43 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." | |
44 | } | |
45 | ||
46 | # Start with a fresh gdb | |
47 | gdb_exit | |
48 | gdb_start | |
49 | gdb_reinitialize_dir $srcdir/$subdir | |
50 | gdb_load ${binfile} | |
51 | ||
52 | ||
53 | if ![runto_main] then { | |
54 | perror "couldn't run to breakpoint" | |
55 | continue | |
56 | } | |
57 | ||
58 | send_gdb "set width 0\n" | |
59 | gdb_expect -re "$gdb_prompt $" | |
60 | ||
61 | #send_gdb "ptype foo\n" | |
62 | #gdb_expect { | |
63 | # -re "\r\n$gdb_prompt $" { | |
64 | # pass "ptype foo" | |
65 | # } | |
66 | # -re ".*$gdb_prompt $" { fail "ptype foo" } | |
67 | # timeout { fail "(timeout) ptype foo" } | |
68 | #} | |
69 | ||
70 | #send_gdb "ptype bar\n" | |
71 | #gdb_expect { | |
72 | # -re "\r\n$gdb_prompt $" { | |
73 | # pass "ptype foo" | |
74 | # } | |
75 | # -re ".*$gdb_prompt $" { fail "ptype foo" } | |
76 | # timeout { fail "(timeout) ptype foo" } | |
77 | #} | |
78 | ||
79 | # NOTE: Add -- ptype foo.x, etc. when things are working | |
80 | ||
a0b3c4fd JM |
81 | #Initialize foo |
82 | send_gdb "next\n" | |
83 | gdb_expect { | |
84 | -re "40\[ \t\]*foo.paper = 33;\r\n$gdb_prompt $" { | |
85 | pass "next 1" | |
86 | } | |
87 | -re ".*$gdb_prompt $" { fail "next 1" } | |
88 | timeout { fail "(timeout) next 1" } | |
89 | } | |
90 | ||
c906108c SS |
91 | # Print out the big anon union. |
92 | send_gdb "print foo\n" | |
93 | gdb_expect { | |
94 | -re "\\$\[0-9\]* = \{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 $" { | |
95 | pass "print foo 1" | |
96 | } | |
97 | -re ".*$gdb_prompt $" { fail "print foo 1" } | |
98 | timeout { fail "(timeout) print foo 1" } | |
99 | } | |
100 | ||
101 | # Step over assignment to member | |
102 | ||
103 | send_gdb "next\n" | |
104 | gdb_expect { | |
105 | -re "41\[ \t\]*foo.pebble = 44;\r\n$gdb_prompt $" { | |
106 | pass "next 1" | |
107 | } | |
108 | -re ".*$gdb_prompt $" { fail "next 1" } | |
109 | timeout { fail "(timeout) next 1" } | |
110 | } | |
111 | ||
112 | # Now print out anon union again | |
113 | send_gdb "print foo\n" | |
114 | gdb_expect { | |
115 | -re "\\$\[0-9\]* = \{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 $" { | |
116 | pass "print foo 2" | |
117 | } | |
118 | -re ".*$gdb_prompt $" { fail "print foo 2" } | |
119 | timeout { fail "(timeout) print foo 2" } | |
120 | } | |
121 | ||
122 | # Modify the member just set | |
123 | send_gdb "set var foo.cloth = 35\n" | |
124 | gdb_expect { | |
125 | -re "\r\n$gdb_prompt $" { | |
126 | pass "set var foo.cloth" | |
127 | } | |
128 | timeout { fail "(timeout) set var foo.cloth" } | |
129 | } | |
130 | ||
131 | # Now print out anon union again to see if the right member was set | |
132 | send_gdb "print foo\n" | |
133 | gdb_expect { | |
134 | -re "\\$\[0-9\]* = \{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 $" { | |
135 | pass "print foo 3" | |
136 | } | |
137 | -re ".*$gdb_prompt $" { fail "print foo 3" } | |
138 | timeout { fail "(timeout) print foo 3" } | |
139 | } | |
140 | ||
141 | ||
142 | # Step over next assignment to member | |
143 | ||
144 | send_gdb "next\n" | |
145 | gdb_expect { | |
146 | -re "42\[ \t\]*foo.mux = 55;\r\n$gdb_prompt $" { | |
147 | pass "next 2" | |
148 | } | |
149 | -re ".*$gdb_prompt $" { fail "next 2" } | |
150 | timeout { fail "(timeout) next 2" } | |
151 | } | |
152 | ||
153 | # Now print out anon union again | |
154 | send_gdb "print foo\n" | |
155 | gdb_expect { | |
156 | -re "\\$\[0-9\]* = \{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 $" { | |
157 | pass "print foo 4" | |
158 | } | |
159 | -re ".*$gdb_prompt $" { fail "print foo 4" } | |
160 | timeout { fail "(timeout) print foo 4" } | |
161 | } | |
162 | ||
163 | # Modify the member just set | |
164 | send_gdb "set var foo.pebble = 45\n" | |
165 | gdb_expect { | |
166 | -re "\r\n$gdb_prompt $" { | |
167 | pass "set var foo.pebble" | |
168 | } | |
169 | timeout { fail "(timeout) set var foo.pebble" } | |
170 | } | |
171 | ||
172 | # Now print out anon union again to see if the right member was set | |
173 | send_gdb "print foo\n" | |
174 | gdb_expect { | |
175 | -re "\\$\[0-9\]* = \{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 $" { | |
176 | pass "print foo 5" | |
177 | } | |
178 | -re ".*$gdb_prompt $" { fail "print foo 5" } | |
179 | timeout { fail "(timeout) print foo 5" } | |
180 | } | |
181 | ||
182 | # Modify another member at a different level | |
183 | send_gdb "set var foo.qux = 46\n" | |
184 | gdb_expect { | |
185 | -re "\r\n$gdb_prompt $" { | |
186 | pass "set var foo.qux" | |
187 | } | |
188 | timeout { fail "(timeout) set var foo.qux" } | |
189 | } | |
190 | ||
191 | # Now print out anon union again to see if the right member was set | |
192 | send_gdb "print foo\n" | |
193 | gdb_expect { | |
194 | -re "\\$\[0-9\]* = \{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 $" { | |
195 | pass "print foo 6" | |
196 | } | |
197 | -re ".*$gdb_prompt $" { fail "print foo 6" } | |
198 | timeout { fail "(timeout) print foo 6" } | |
199 | } | |
200 | ||
201 | # Modify the member at another level, but not the first one in the union | |
202 | send_gdb "set var foo.mux = 47\n" | |
203 | gdb_expect { | |
204 | -re "\r\n$gdb_prompt $" { | |
205 | pass "set var foo.mux" | |
206 | } | |
207 | timeout { fail "(timeout) set var foo.mux" } | |
208 | } | |
209 | ||
210 | # Now print out anon union again to see if things worked | |
211 | send_gdb "print foo\n" | |
212 | gdb_expect { | |
213 | -re "\\$\[0-9\]* = \{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 $" { | |
214 | pass "print foo 7" | |
215 | } | |
216 | -re ".*$gdb_prompt $" { fail "print foo 7" } | |
217 | timeout { fail "(timeout) print foo 7" } | |
218 | } | |
219 | ||
220 | # Modify a member of a struct in an anon union | |
221 | send_gdb "set var foo.x.rock = 48\n" | |
222 | gdb_expect { | |
223 | -re "\r\n$gdb_prompt $" { | |
224 | pass "set var foo.x.rock" | |
225 | } | |
226 | timeout { fail "(timeout) set var foo.x.rock" } | |
227 | } | |
228 | ||
229 | # Now print out anon union again to see if things worked | |
230 | send_gdb "print foo\n" | |
231 | gdb_expect { | |
232 | -re "\\$\[0-9\]* = \{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 $" { | |
233 | pass "print foo 8" | |
234 | } | |
235 | -re ".*$gdb_prompt $" { fail "print foo 8" } | |
236 | timeout { fail "(timeout) print foo 8" } | |
237 | } | |
238 | ||
239 | # Modify a member of a struct in an anon union, but something | |
240 | # that doesn't alias to some other union member | |
241 | send_gdb "set var foo.x.rock2 = 49\n" | |
242 | gdb_expect { | |
243 | -re "\r\n$gdb_prompt $" { | |
244 | pass "set var foo.x.rock2" | |
245 | } | |
246 | timeout { fail "(timeout) set var foo.x.rock2" } | |
247 | } | |
248 | ||
249 | # Now print out anon union again to see if things worked | |
250 | send_gdb "print foo\n" | |
251 | gdb_expect { | |
252 | -re "\\$\[0-9\]* = \{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 $" { | |
253 | pass "print foo 9" | |
254 | } | |
255 | -re ".*$gdb_prompt $" { fail "print foo 9" } | |
256 | timeout { fail "(timeout) print foo 9" } | |
257 | } | |
258 | ||
259 | ||
a0b3c4fd JM |
260 | # Step over next four assignments |
261 | send_gdb "next 4\n" | |
c906108c | 262 | gdb_expect { |
a0b3c4fd | 263 | -re "53\[ \t\]*w = 45;\r\n$gdb_prompt $" { |
c906108c SS |
264 | pass "next 3" |
265 | } | |
266 | -re ".*$gdb_prompt $" { fail "next 3" } | |
267 | timeout { fail "(timeout) next 3" } | |
268 | } | |
269 | ||
270 | # Tests for anon unions that are not members of a class or struct | |
271 | ||
a0b3c4fd JM |
272 | send_gdb "print w\n" |
273 | gdb_expect { | |
274 | -re "\\$\[0-9\]* = 0\r\n$gdb_prompt $" { | |
275 | pass "print w 1" | |
276 | } | |
277 | -re ".*$gdb_prompt $" { fail "print w 1" } | |
278 | timeout { fail "(timeout) print w 1" } | |
279 | } | |
280 | ||
281 | send_gdb "print z\n" | |
282 | gdb_expect { | |
283 | -re "\\$\[0-9\]* = 0\r\n$gdb_prompt $" { | |
284 | pass "print z 1" | |
285 | } | |
286 | -re ".*$gdb_prompt $" { fail "print z 1" } | |
287 | timeout { fail "(timeout) print z 1" } | |
288 | } | |
c906108c SS |
289 | |
290 | # Step over next assignment to w | |
291 | send_gdb "next\n" | |
292 | gdb_expect { | |
a0b3c4fd | 293 | -re "55\[ \t\]*\}\r\n$gdb_prompt $" { |
c906108c SS |
294 | pass "next 4" |
295 | } | |
296 | -re ".*$gdb_prompt $" { fail "next 4" } | |
297 | timeout { fail "(timeout) next 4" } | |
298 | } | |
299 | ||
300 | # See if the change in value is noticed | |
301 | send_gdb "print w\n" | |
302 | gdb_expect { | |
303 | -re "\\$\[0-9\]* = 45\r\n$gdb_prompt $" { | |
304 | pass "print w 2" | |
305 | } | |
306 | -re ".*$gdb_prompt $" { fail "print w 2" } | |
307 | timeout { fail "(timeout) print w 2" } | |
308 | } | |
309 | ||
310 | # See if z shows the same value | |
311 | send_gdb "print z\n" | |
312 | gdb_expect { | |
313 | -re "\\$\[0-9\]* = 45\r\n$gdb_prompt $" { | |
314 | pass "print z 2" | |
315 | } | |
316 | -re ".*$gdb_prompt $" { fail "print z 2" } | |
317 | timeout { fail "(timeout) print z 2" } | |
318 | } | |
319 | ||
320 | # Set the anon union member | |
321 | send_gdb "set var z = 27\n" | |
322 | gdb_expect { | |
323 | -re "\r\n$gdb_prompt $" { | |
324 | pass "set var z" | |
325 | } | |
326 | timeout { fail "(timeout) set var z" } | |
327 | } | |
328 | ||
329 | # See if the change in value is noticed | |
330 | send_gdb "print w\n" | |
331 | gdb_expect { | |
332 | -re "\\$\[0-9\]* = 27\r\n$gdb_prompt $" { | |
333 | pass "print w 3" | |
334 | } | |
335 | -re ".*$gdb_prompt $" { fail "print w 3" } | |
336 | timeout { fail "(timeout) print w 3" } | |
337 | } | |
338 | ||
339 | # See if z shows the same value | |
340 | send_gdb "print z\n" | |
341 | gdb_expect { | |
342 | -re "\\$\[0-9\]* = 27\r\n$gdb_prompt $" { | |
343 | pass "print z 3" | |
344 | } | |
345 | -re ".*$gdb_prompt $" { fail "print z 3" } | |
346 | timeout { fail "(timeout) print z 3" } | |
347 | } |