gdb/testsuite/gdb.mi/mi-var-cmd.exp

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