PR gdb/10884
[external/binutils.git] / gdb / testsuite / gdb.mi / mi-var-cmd.exp
1 # Copyright 1999, 2000, 2001, 2002, 2004, 2005, 2007, 2008, 2009
2 # Free Software Foundation, Inc.
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 3 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, see <http://www.gnu.org/licenses/>.
16
17 # Test essential Machine interface (MI) operations
18 #
19 # Verify that, using the MI, we can create, update, delete variables.
20 #
21
22
23 load_lib mi-support.exp
24 set MIFLAGS "-i=mi"
25
26 gdb_exit
27 if [mi_gdb_start] {
28     continue
29 }
30
31 set testfile "var-cmd"
32 set srcfile ${testfile}.c
33 set binfile ${objdir}/${subdir}/mi-var-cmd
34 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DFAKEARGV}] != "" } {
35     untested mi-var-cmd.exp
36     return -1
37 }
38
39 mi_delete_breakpoints
40 mi_gdb_reinitialize_dir $srcdir/$subdir
41 mi_gdb_load ${binfile}
42
43
44 #####                   #####
45 #                           #
46 #  Variable Creation tests  #
47 #                           #
48 #####                   #####
49
50 # Test:  c_variable-1.1
51 # Desc:  Create global variable
52
53 mi_create_varobj "global_simple" "global_simple" "create global variable"
54
55 # Test: c_variable-1.2
56 # Desc: Create non-existent variable
57
58 mi_gdb_test "112-var-create bogus_unknown_variable * bogus_unknown_variable" \
59         "112\\^error,msg=\"mi_cmd_var_create: unable to create variable object\"" \
60         "create non-existent variable"
61
62 # Test: c_variable-1.3
63 # Desc: Create out of scope variable
64
65 mi_gdb_test "113-var-create argc * argc" \
66         "113\\^error,msg=\"mi_cmd_var_create: unable to create variable object\"" \
67         "create out of scope variable"
68
69 mi_runto do_locals_tests
70
71 set line_dlt_first_real [gdb_get_line_number "linteger = 1234;"]
72
73 mi_continue_to_line $line_dlt_first_real "step to real start of do_locals_test"
74
75
76 # Test: c_variable-1.4
77 # Desc: create local variables
78
79 mi_create_varobj_checked linteger linteger int "create local variable linteger"
80
81 mi_create_varobj_checked lpinteger lpinteger {int \*} "create local variable lpinteger"
82
83 mi_create_varobj_checked lcharacter lcharacter\[0\] char "create local variable lcharacter"
84
85 mi_create_varobj_checked lpcharacter lpcharacter {char \*} "create local variable lpcharacter"
86
87 mi_create_varobj_checked llong llong "long int" "create local variable llong"
88
89 mi_create_varobj_checked lplong lplong {long int \*} "create local variable lplong"
90
91 mi_create_varobj_checked lfloat lfloat float "create local variable lfloat"
92
93 mi_create_varobj_checked lpfloat lpfloat {float \*} "create local variable lpfloat"
94
95 mi_create_varobj_checked ldouble ldouble double "create local variable ldouble"
96
97 mi_create_varobj_checked lpdouble lpdouble {double \*} "create local variable lpdouble"
98
99 mi_create_varobj_checked lsimple lsimple "struct _simple_struct" "create local variable lsimple"
100
101 mi_create_varobj_checked lpsimple lpsimple {struct _simple_struct \*} "create local variable lpsimple"
102
103 mi_create_varobj_checked func func {void \(\*\)\((void|)\)} "create local variable func"
104
105 # Test: c_variable-1.5
106 # Desc: create lsimple.character
107 mi_create_varobj_checked lsimple.character lsimple.character "char" \
108         "create lsimple.character"
109
110 # Test: c_variable-1.6
111 # Desc: create lpsimple->integer
112 mi_create_varobj_checked lsimple->integer lsimple->integer "int" \
113         "create lsimple->integer"
114
115 # Test: c_variable-1.7
116 # Desc: create lsimple.integer
117 mi_create_varobj_checked lsimple.integer lsimple.integer "int" \
118         "create lsimple.integer"
119
120
121 # Test: c_variable-1.9
122 # Desc: create type name
123 #    Type names (like int, long, etc..) are all proper expressions to gdb.
124 #    make sure variable code does not allow users to create variables, though.
125 mi_gdb_test "-var-create int * int" \
126         "&\"Attempt to use a type name as an expression.\\\\n\".*\\^error,msg=\"mi_cmd_var_create: unable to create variable object\"" \
127         "create int"
128
129
130 #####             #####
131 #                     #
132 # Value changed tests #
133 #                     #
134 #####             #####
135
136 # Test: c_variable-2.1
137 # Desc: check whether values changed at do_block_tests
138 mi_gdb_test "-var-update *" \
139         "\\^done,changelist=\\\[\\\]" \
140         "update all vars"
141
142 # Step over "linteger = 1234;"
143 set line_dlt_linteger [gdb_get_line_number "lpinteger = &linteger;"]
144 mi_step_to "do_locals_tests" "" "var-cmd.c" $line_dlt_linteger "step at do_locals_test"
145
146 # Test: c_variable-2.2
147 # Desc: check whether only linteger changed values
148 mi_gdb_test "-var-update *" \
149         "\\^done,changelist=\\\[\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
150         "update all vars: linteger changed"
151
152 # Step over "lpinteger = &linteger;"
153 mi_step_to "do_locals_tests" "" "var-cmd.c" [expr $line_dlt_linteger + 1] "step at do_locals_tests (2)"
154
155 # Test: c_variable-2.3
156 # Desc: check whether only lpinteger changed
157 mi_gdb_test "-var-update *" \
158         "\\^done,changelist=\\\[\{name=\"lpinteger\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
159         "update all vars: lpinteger changed"
160
161 # Step over "lcharacter = 'a';"
162 mi_step_to "do_locals_tests" "" "var-cmd.c" [expr $line_dlt_linteger + 2] "step at do_locals_tests (3)"
163
164 # Test: c_variable-2.4
165 # Desc: check whether only lcharacter changed
166 mi_gdb_test "-var-update *" \
167         "\\^done,changelist=\\\[\{name=\"lcharacter\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
168         "update all vars: lcharacter changed"
169
170 # Step over "lpcharacter = &lcharacter;"
171 mi_step_to "do_locals_tests" "" "var-cmd.c" [expr $line_dlt_linteger + 3] "step at do_locals_tests (4)"
172
173 # Test: c_variable-2.5
174 # Desc: check whether only lpcharacter changed
175 mi_gdb_test "-var-update *" \
176         "\\^done,changelist=\\\[\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
177         "update all vars: lpcharacter changed"
178
179
180 # Step over:
181 #  llong = 2121L;
182 #  lplong = &llong;
183 #  lfloat = 2.1;
184 #  lpfloat = &lfloat;
185 #  ldouble = 2.718281828459045;
186 #  lpdouble = &ldouble;
187 #  lsimple.integer = 1234;
188 #  lsimple.unsigned_integer = 255;
189 #  lsimple.character = 'a';
190
191 mi_execute_to "exec-step 9" "end-stepping-range" "do_locals_tests" "" \
192         "var-cmd.c" [expr $line_dlt_linteger + 12] "" "step at do_locals_tests (5)"
193
194 # Test: c_variable-2.6
195 # Desc: check whether llong, lplong, lfloat, lpfloat, ldouble, lpdouble, lsimple.integer,
196 #       lsimple.unsigned_character lsimple.integer lsimple.character changed
197 mi_gdb_test "-var-update *" \
198         "\\^done,changelist=\\\[\{name=\"lsimple.integer\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lsimple->integer\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lsimple.character\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lpdouble\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"ldouble\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lpfloat\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lfloat\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lplong\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"llong\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
199         "update all vars: many changed"
200
201 # Step over:
202 #  lsimple.signed_character = 21;
203 #  lsimple.char_ptr = &lcharacter;
204 #  lpsimple = &lsimple;
205 #  func = nothing;
206
207 set line_dlt_4321 [gdb_get_line_number "linteger = 4321;"]
208
209 mi_execute_to "exec-step 4" "end-stepping-range" "do_locals_tests" "" \
210         "var-cmd.c" $line_dlt_4321 "" "step at do_locals_tests (6)"
211
212 # Test: c_variable-2.7
213 # Desc: check whether (lsimple.signed_character, lsimple.char_ptr) lpsimple, func changed
214 mi_gdb_test "-var-update *" \
215         "\\^done,changelist=\\\[\{name=\"func\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lpsimple\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
216         "update all vars: func and lpsimple changed"
217
218 # Step over
219 #  linteger = 4321;
220 #  lcharacter = 'b';
221 #  llong = 1212L;
222 #  lfloat = 1.2;
223 #  ldouble = 5.498548281828172;
224 #  lsimple.integer = 255;
225 #  lsimple.unsigned_integer = 4321;
226 #  lsimple.character = 'b';
227
228 mi_execute_to "exec-step 8" "end-stepping-range" "do_locals_tests" "" \
229         "var-cmd.c" [expr $line_dlt_4321 + 8] "" "step at do_locals_tests (7)"
230
231 # Test: c_variable-2.8
232 # Desc: check whether linteger, lcharacter, llong, lfoat, ldouble, lsimple.integer,
233 #       lpsimple.integer lsimple.character changed
234 # Note: this test also checks that lpsimple->integer and lsimple.integer have
235 #       changed (they are the same)
236 mi_gdb_test "-var-update *" \
237         "\\^done,changelist=\\\[\{name=\"lsimple.integer\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lsimple->integer\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lsimple.character\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"ldouble\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lfloat\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"llong\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lcharacter\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
238         "update all vars: lsimple and others changed"
239
240
241 ### 
242 #
243 # Test assignment to variables. More tests on assignment are in other files.
244 #
245 ###
246 mi_gdb_test "-var-assign global_simple 0" \
247         "\\^error,msg=\"mi_cmd_var_assign: Variable object is not editable\"" \
248         "assign to global_simple"
249
250 mi_gdb_test "-var-assign linteger 3333" \
251         "\\^done,value=\"3333\"" \
252         "assign to linteger"
253
254 # Allow lpcharacter to update, optionally.  Because it points to a
255 # char variable instead of a zero-terminated string, if linteger is
256 # directly after it in memory the printed characters may appear to
257 # change.
258 set lpchar_update "\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\"\},"
259 mi_gdb_test "-var-update *" \
260         "\\^done,changelist=\\\[($lpchar_update)?\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
261         "update all vars: linteger changed after assign"
262
263 mi_gdb_test "-var-assign linteger 3333" \
264         "\\^done,value=\"3333\"" \
265         "assign to linteger again, same value"
266
267 mi_gdb_test "-var-update *" \
268         "\\^done,changelist=\\\[\\\]" \
269         "update all vars: linteger not changed after same assign"
270
271 mi_gdb_test "-var-evaluate-expression linteger" \
272         "\\^done,value=\"3333\"" \
273         "eval linteger"
274
275 mi_gdb_test "-var-assign lpinteger \"&linteger + 3\"" \
276         "\\^done,value=\"$hex\"" \
277         "assign to lpinteger"
278
279 mi_gdb_test "-var-update *" \
280         "\\^done,changelist=\\\[\{name=\"lpinteger\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
281         "update all vars: lpinteger changed after assign"
282
283 mi_gdb_test "-var-update *" \
284         "\\^done,changelist=\\\[\\\]" \
285         "update all vars: no changes on second update"
286
287 mi_gdb_test "-var-evaluate-expression lpinteger" \
288         "\\^done,value=\"$hex\"" \
289         "eval lpinteger"
290
291 # reset the values to the original ones so that the rest of the file doesn't suffer.
292
293 mi_gdb_test "-var-assign linteger 4321" \
294         "\\^done,value=\"4321\"" \
295         "assign to linteger"
296
297 mi_gdb_test "-var-assign lpinteger &linteger" \
298         "\\^done,value=\"$hex\"" \
299         "assign to lpinteger"
300
301 mi_gdb_test "-var-assign lcharacter 'z'" \
302         "\\^done,value=\"122 'z'\"" \
303         "assign to lcharacter"
304
305 mi_gdb_test "-var-evaluate-expression lcharacter" \
306         "\\^done,value=\"122 'z'\"" \
307         "eval lcharacter"
308
309 mi_gdb_test "-var-assign llong 1313L" \
310         "\\^done,value=\"1313\"" \
311         "assign to llong"
312 mi_gdb_test "-var-evaluate-expression llong" \
313         "\\^done,value=\"1313\"" \
314         "eval llong"
315 mi_gdb_test "-var-assign llong 1212L" \
316         "\\^done,value=\"1212\"" \
317         "assign to llong"
318
319 mi_gdb_test "-var-assign lplong &llong+4" \
320         "\\^done,value=\"$hex\"" \
321         "assign to lplong"
322 mi_gdb_test "-var-evaluate-expression lplong" \
323         "\\^done,value=\"$hex\"" \
324         "eval lplong"
325 mi_gdb_test "-var-assign lplong &llong" \
326         "\\^done,value=\"$hex\"" \
327         "assign to lplong"
328
329 mi_gdb_test "-var-assign lfloat 3.4567" \
330         "\\^done,value=\"3.45.*\"" \
331         "assign to lfloat"
332 mi_gdb_test "-var-evaluate-expression lfloat" \
333         "\\^done,value=\"3.45.*\"" \
334         "eval lfloat"
335 mi_gdb_test "-var-assign lfloat 1.2345" \
336         "\\^done,value=\"1.23.*\"" \
337         "assign to lfloat"
338
339 mi_gdb_test "-var-assign lpfloat &lfloat+4" \
340         "\\^done,value=\"$hex\"" \
341         "assign to lpfloat"
342
343 mi_gdb_test "-var-assign ldouble 5.333318284590435" \
344         "\\^done,value=\"5.333318284590435\"" \
345         "assign to ldouble"
346
347 mi_gdb_test "-var-assign func do_block_tests" \
348         "\\^done,value=\"$hex <do_block_tests>\"" \
349         "assign to func"
350
351 mi_gdb_test "-var-assign lsimple.character 'd'" \
352         "\\^done,value=\"100 'd'\"" \
353         "assign to lsimple.character"
354
355 mi_gdb_test "-var-assign  lsimple->integer 222" \
356         "\\^done,value=\"222\"" \
357         "assign to lsimple->integer"
358
359 mi_gdb_test "-var-assign lsimple.integer 333" \
360         "\\^done,value=\"333\"" \
361         "assign to lsimple.integer"
362
363 mi_gdb_test "-var-update *" \
364         "\\^done,changelist=.*" \
365         "var update"
366
367 # Check that assignment of function and array values
368 # promotes the assigned value to function pointer/data
369 # pointer before comparing with the existing value, 
370 # and does not incorrectly make the value as changed.
371 mi_gdb_test "-var-assign func do_block_tests" \
372         "\\^done,value=\"$hex <do_block_tests>\"" \
373         "assign same value to func"
374
375 mi_gdb_test "-var-update *" \
376         "\\^done,changelist=\\\[\\\]" \
377         "assign same value to func (update)"
378
379 mi_gdb_test "-var-create array_ptr * array_ptr" \
380         "\\^done,name=\"array_ptr\",numchild=\"1\",value=\"$hex\",type=\"int \\*\",has_more=\"0\"" \
381         "create global variable array_ptr"
382
383 mi_gdb_test "-var-assign array_ptr array2" \
384         "\\^done,value=\"$hex\"" \
385         "assign array to pointer"
386
387 mi_gdb_test "-var-update *" \
388         "\\^done,changelist=\\\[\{name=\"array_ptr\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
389         "assign array to pointer (update)"
390
391 mi_gdb_test "-var-assign array_ptr array2" \
392         "\\^done,value=\"$hex\"" \
393         "assign same array to pointer"
394
395 mi_gdb_test "-var-update *" \
396         "\\^done,changelist=\\\[\\\]" \
397         "assign same array to pointer (update)"
398
399
400 ######
401 # End of assign tests 
402 #####
403
404 set line_subroutine1_body [gdb_get_line_number "global_simple.integer = i + 3;"]
405
406 mi_continue_to subroutine1
407
408 # Test: c_variable-2.10
409 # Desc: create variable for locals i,l in subroutine1
410 mi_create_varobj_checked i i int "create i"
411
412 mi_create_varobj_checked l l {long int \*} "create l"
413
414 # Test: c_variable-2.11
415 # Desc: create do_locals_tests local in subroutine1
416 mi_gdb_test "-var-create linteger * linteger" \
417         "\\^error,msg=\"mi_cmd_var_create: unable to create variable object\"" \
418         "create linteger"
419
420 mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \
421         "var-cmd.c" [expr $line_subroutine1_body + 1] "step at subroutine1"
422
423 # Test: c_variable-2.12
424 # Desc: change global_simple.integer
425 # Note: This also tests whether we are reporting changes in structs properly.
426 #       gdb normally would say that global_simple has changed, but we
427 #       special case that, since it is not what a human expects to
428 #       see.
429
430 setup_xfail *-*-*
431 mi_gdb_test "-var-update *" \
432         "\\^done,changelist=\{FIXME: WHAT IS CORRECT HERE\}" \
433         "update all vars: changed FIXME"
434 clear_xfail *-*-*
435
436 mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \
437         "var-cmd.c" [expr $line_subroutine1_body + 2] "step at subroutine1 (2)"
438
439 # Test: c_variable-2.13
440 # Desc: change subroutine1 local i
441 mi_gdb_test "-var-update *" \
442         "\\^done,changelist=\\\[\{name=\"i\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
443         "update all vars: i changed"
444
445 mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \
446         "var-cmd.c" [expr $line_subroutine1_body + 3] "step at subroutine1 (3)"
447
448 # Test: c_variable-2.14
449 # Desc: change do_locals_tests local llong
450 mi_gdb_test "-var-update *" \
451         "\\^done,changelist=\\\[\{name=\"llong\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
452         "update all vars: llong changed"
453
454 set line_dlt_call_subroutine1 [gdb_get_line_number "subroutine1 (linteger, &llong);"]
455 mi_next_to "do_locals_tests" "" "var-cmd.c" \
456   [expr $line_dlt_call_subroutine1 + 1] "next out of subroutine1"
457
458 # Test: c_variable-2.15
459 # Desc: check for out of scope subroutine1 locals
460 mi_gdb_test "-var-update *" \
461         "\\^done,changelist=\\\[\{name=\"l\",in_scope=\"false\"\,type_changed=\"false\",has_more=\"0\"},\{name=\"i\",in_scope=\"false\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
462         "update all vars: all now out of scope"
463
464 # Done with locals/globals tests. Erase all variables
465 #delete_all_variables
466 mi_gdb_test "-var-delete global_simple" \
467         "\\^done,ndeleted=\"1\"" \
468         "delete var"
469
470 mi_gdb_test "-var-delete linteger" \
471         "\\^done,ndeleted=\"1\"" \
472         "delete var linteger"
473
474 mi_gdb_test "-var-delete lpinteger" \
475         "\\^done,ndeleted=\"1\"" \
476         "delete var lpinteger"
477
478 mi_gdb_test "-var-delete lcharacter" \
479         "\\^done,ndeleted=\"1\"" \
480         "delete var lcharacter"
481
482 mi_gdb_test "-var-delete lpcharacter" \
483         "\\^done,ndeleted=\"1\"" \
484         "delete var lpcharacter"
485
486 mi_gdb_test "-var-delete llong" \
487         "\\^done,ndeleted=\"1\"" \
488         "delete var llong"
489
490 mi_gdb_test "-var-delete lplong" \
491         "\\^done,ndeleted=\"1\"" \
492         "delete var lplong"
493
494 mi_gdb_test "-var-delete lfloat" \
495         "\\^done,ndeleted=\"1\"" \
496         "delete var lfloat"
497
498 mi_gdb_test "-var-delete lpfloat" \
499         "\\^done,ndeleted=\"1\"" \
500         "delete var lpfloat"
501
502 mi_gdb_test "-var-delete ldouble" \
503         "\\^done,ndeleted=\"1\"" \
504         "delete var ldouble"
505
506 mi_gdb_test "-var-delete lpdouble" \
507         "\\^done,ndeleted=\"1\"" \
508         "delete var lpdouble"
509
510 mi_gdb_test "-var-delete lsimple" \
511         "\\^done,ndeleted=\"1\"" \
512         "delete var lsimple"
513
514 mi_gdb_test "-var-delete lpsimple" \
515         "\\^done,ndeleted=\"1\"" \
516         "delete var lpsimple"
517
518 mi_gdb_test "-var-delete func" \
519         "\\^done,ndeleted=\"1\"" \
520         "delete var func"
521
522 mi_gdb_test "-var-delete lsimple.character" \
523         "\\^done,ndeleted=\"1\"" \
524         "delete var lsimple.character"
525
526 mi_gdb_test "-var-delete  lsimple->integer" \
527         "\\^done,ndeleted=\"1\"" \
528         "delete var  lsimple->integer"
529
530 mi_gdb_test "-var-delete lsimple.integer" \
531         "\\^done,ndeleted=\"1\"" \
532         "delete var lsimple.integer"
533
534 mi_gdb_test "-var-delete i" \
535         "\\^done,ndeleted=\"1\"" \
536         "delete var i"
537
538 mi_gdb_test "-var-delete l" \
539         "\\^done,ndeleted=\"1\"" \
540         "delete var l"
541
542 # Test whether we can follow the name of a variable through multiple
543 # stack frames.
544 mi_continue_to do_special_tests
545
546 mi_gdb_test "-var-create selected_a @ a" \
547   {\^done,name="selected_a",numchild="0",value=\".*\",type="int".*} \
548   "create selected_a"
549
550 mi_continue_to incr_a
551
552 mi_gdb_test "-var-update selected_a" \
553         "\\^done,changelist=\\\[\{name=\"selected_a\",in_scope=\"true\",type_changed=\"true\",new_type=\"char\",new_num_children=\"0\",has_more=\"0\"\}\\\]" \
554         "update selected_a in incr_a"
555
556 mi_next "step a line in incr_a"
557 mi_next "return from incr_a to do_special_tests"
558
559 mi_gdb_test "-var-update selected_a" \
560         "\\^done,changelist=\\\[\{name=\"selected_a\",in_scope=\"true\",type_changed=\"true\",new_type=\"int\",new_num_children=\"0\",has_more=\"0\"\}\\\]" \
561         "update selected_a in do_special_tests"
562
563 mi_gdb_test "-file-exec-and-symbols ${binfile}" "\\^done" \
564     "floating varobj invalidation"
565
566 mi_delete_varobj selected_a "delete selected_a"
567 mi_delete_varobj array_ptr "delete array_ptr"
568
569 proc set_frozen {varobjs flag} {
570     foreach v $varobjs {
571         mi_gdb_test "-var-set-frozen $v $flag" \
572             "\\^done" \
573             "-var-set-frozen $v $flag"
574     }
575 }
576
577 mi_prepare_inline_tests $srcfile
578 mi_run_inline_test frozen
579
580 mi_run_inline_test bitfield
581
582 # Since the inline test framework does not really work with
583 # function calls, first to inline tests and then do the reminder
584 # manually.
585 mi_run_inline_test floating
586 set do_at_tests_callee_breakpoint [gdb_get_line_number "breakpoint inside callee"]
587 mi_gdb_test "-break-insert var-cmd.c:$do_at_tests_callee_breakpoint" ".*" \
588     "inside breakpoint inside callee"
589 mi_execute_to "exec-continue" "breakpoint-hit" do_at_tests_callee "" ".*" ".*" \
590     { "" "disp=\"keep\"" } \
591     "continue to where i is initialized"
592
593 mi_varobj_update F {F} "update F inside callee"
594 mi_check_varobj_value F 7 "check F inside callee"
595
596 # Test whether bad varobjs crash GDB.
597
598 # A varobj we fail to read during -var-update should be considered
599 # out of scope.
600 mi_gdb_test "-var-create null_ptr * **0" \
601     {\^done,name="null_ptr",numchild="0",value=".*",type="int",has_more="0"} \
602     "create null_ptr"
603
604 # Allow this to succeed, if address zero is readable, although it
605 # will not test what it was meant to.  Most important is that GDB
606 # does not crash.
607 mi_gdb_test "-var-update null_ptr" \
608     {\^done,changelist=\[.*\]} \
609     "update null_ptr"
610
611 mi_gdb_test "-var-delete null_ptr" \
612     "\\^done,ndeleted=\"1\"" \
613     "delete null_ptr"
614
615 # When we fail to read a varobj created from a named variable,
616 # we evaluate its type instead.  Make sure that doesn't blow
617 # up by trying to read it again.  We can use _end when not running
618 # the program to simulate an unreadable variable, if this platform
619 # provides _end, but cope if it's missing.
620
621 mi_gdb_test "kill" \
622     {&"kill\\n".*\^done} \
623     "kill program before endvar"
624
625 mi_gdb_test "-var-create endvar * _end" \
626     {(\^done,name="endvar",numchild="0",value=".*",type=".*"|&".*unable to.*".*\^error,msg=".*")} \
627     "create endvar"
628
629 # Allow this to succeed whether the value is readable, unreadable, or
630 # missing.  Most important is that GDB does not crash.
631 mi_gdb_test "-var-update endvar" \
632     {(\^done,changelist=\[.*\]|^".*".*\^error,msg=".*not found")} \
633     "update endvar"
634
635 mi_gdb_test "-var-delete endvar" \
636     "\\^done,ndeleted=\"1\"" \
637     "delete endvar"
638
639 mi_delete_breakpoints
640
641 mi_runto do_locals_tests
642
643 mi_create_varobj "L" "lsimple" "in-and-out-of-scope: create varobj"
644 mi_check_varobj_value "L" "{...}" "in-and-out-of-scope: check initial value"
645
646 mi_runto main
647
648 mi_gdb_test "-var-update L" \
649     {\^done,changelist=\[{name="L",in_scope="false",type_changed="false",has_more="0"}\]} \
650     "in-and-out-of-scope: out of scope now"
651
652 mi_gdb_test "-var-update L" \
653     {\^done,changelist=\[]} \
654     "in-and-out-of-scope: out of scope now, not changed"
655
656 mi_continue_to do_locals_tests
657
658 mi_gdb_test "-var-update L" \
659     {\^done,changelist=\[{name="L",in_scope="true",type_changed="false",has_more="0"}\]} \
660     "in-and-out-of-scope: in scope now"
661
662 mi_gdb_test "-var-update L" \
663     {\^done,changelist=\[\]} \
664     "in-and-out-of-scope: in scope now, not changed"
665
666 mi_gdb_exit
667 return 0