| 1 | # Copyright (C) 1998 Free Software Foundation, Inc. |
| 2 | |
| 3 | # This program is free software; you can redistribute it and/or modify |
| 4 | # it under the terms of the GNU General Public License as published by |
| 5 | # the Free Software Foundation; either version 2 of the License, or |
| 6 | # (at your option) any later version. |
| 7 | # |
| 8 | # This program is distributed in the hope that it will be useful, |
| 9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | # GNU General Public License for more details. |
| 12 | # |
| 13 | # You should have received a copy of the GNU General Public License |
| 14 | # along with this program; if not, write to the Free Software |
| 15 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 16 | |
| 17 | # Please email any bugs, comments, and/or additions to this file to: |
| 18 | # bug-gdb@prep.ai.mit.edu |
| 19 | |
| 20 | # |
| 21 | # Tests for anonymous union support |
| 22 | # Written by Satish Pai <pai@apollo.hp.com> 1997-08-19 |
| 23 | |
| 24 | # This file is part of the gdb testsuite |
| 25 | |
| 26 | if $tracelevel then { |
| 27 | strace $tracelevel |
| 28 | } |
| 29 | |
| 30 | # |
| 31 | # test running programs |
| 32 | # |
| 33 | |
| 34 | set prms_id 0 |
| 35 | set bug_id 0 |
| 36 | |
| 37 | set testfile "anon-union" |
| 38 | set srcfile ${testfile}.cc |
| 39 | set binfile ${objdir}/${subdir}/${testfile} |
| 40 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } { |
| 41 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
| 42 | } |
| 43 | |
| 44 | # Start with a fresh gdb |
| 45 | gdb_exit |
| 46 | gdb_start |
| 47 | gdb_reinitialize_dir $srcdir/$subdir |
| 48 | gdb_load ${binfile} |
| 49 | |
| 50 | |
| 51 | if ![runto_main] then { |
| 52 | perror "couldn't run to breakpoint" |
| 53 | continue |
| 54 | } |
| 55 | |
| 56 | send_gdb "set width 0\n" |
| 57 | gdb_expect -re "$gdb_prompt $" |
| 58 | |
| 59 | #send_gdb "ptype foo\n" |
| 60 | #gdb_expect { |
| 61 | # -re "\r\n$gdb_prompt $" { |
| 62 | # pass "ptype foo" |
| 63 | # } |
| 64 | # -re ".*$gdb_prompt $" { fail "ptype foo" } |
| 65 | # timeout { fail "(timeout) ptype foo" } |
| 66 | #} |
| 67 | |
| 68 | #send_gdb "ptype bar\n" |
| 69 | #gdb_expect { |
| 70 | # -re "\r\n$gdb_prompt $" { |
| 71 | # pass "ptype foo" |
| 72 | # } |
| 73 | # -re ".*$gdb_prompt $" { fail "ptype foo" } |
| 74 | # timeout { fail "(timeout) ptype foo" } |
| 75 | #} |
| 76 | |
| 77 | # NOTE: Add -- ptype foo.x, etc. when things are working |
| 78 | |
| 79 | #Initialize foo |
| 80 | send_gdb "next\n" |
| 81 | gdb_expect { |
| 82 | -re "40\[ \t\]*foo.paper = 33;\r\n$gdb_prompt $" { |
| 83 | pass "next 1" |
| 84 | } |
| 85 | -re ".*$gdb_prompt $" { fail "next 1" } |
| 86 | timeout { fail "(timeout) next 1" } |
| 87 | } |
| 88 | |
| 89 | # Print out the big anon union. |
| 90 | send_gdb "print foo\n" |
| 91 | gdb_expect { |
| 92 | -re "\\$\[0-9\]* = \{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 $" { |
| 93 | pass "print foo 1" |
| 94 | } |
| 95 | -re ".*$gdb_prompt $" { fail "print foo 1" } |
| 96 | timeout { fail "(timeout) print foo 1" } |
| 97 | } |
| 98 | |
| 99 | # Step over assignment to member |
| 100 | |
| 101 | send_gdb "next\n" |
| 102 | gdb_expect { |
| 103 | -re "41\[ \t\]*foo.pebble = 44;\r\n$gdb_prompt $" { |
| 104 | pass "next 1" |
| 105 | } |
| 106 | -re ".*$gdb_prompt $" { fail "next 1" } |
| 107 | timeout { fail "(timeout) next 1" } |
| 108 | } |
| 109 | |
| 110 | # Now print out anon union again |
| 111 | send_gdb "print foo\n" |
| 112 | gdb_expect { |
| 113 | -re "\\$\[0-9\]* = \{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 $" { |
| 114 | pass "print foo 2" |
| 115 | } |
| 116 | -re ".*$gdb_prompt $" { fail "print foo 2" } |
| 117 | timeout { fail "(timeout) print foo 2" } |
| 118 | } |
| 119 | |
| 120 | # Modify the member just set |
| 121 | send_gdb "set var foo.cloth = 35\n" |
| 122 | gdb_expect { |
| 123 | -re "\r\n$gdb_prompt $" { |
| 124 | pass "set var foo.cloth" |
| 125 | } |
| 126 | timeout { fail "(timeout) set var foo.cloth" } |
| 127 | } |
| 128 | |
| 129 | # Now print out anon union again to see if the right member was set |
| 130 | send_gdb "print foo\n" |
| 131 | gdb_expect { |
| 132 | -re "\\$\[0-9\]* = \{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 $" { |
| 133 | pass "print foo 3" |
| 134 | } |
| 135 | -re ".*$gdb_prompt $" { fail "print foo 3" } |
| 136 | timeout { fail "(timeout) print foo 3" } |
| 137 | } |
| 138 | |
| 139 | |
| 140 | # Step over next assignment to member |
| 141 | |
| 142 | send_gdb "next\n" |
| 143 | gdb_expect { |
| 144 | -re "42\[ \t\]*foo.mux = 55;\r\n$gdb_prompt $" { |
| 145 | pass "next 2" |
| 146 | } |
| 147 | -re ".*$gdb_prompt $" { fail "next 2" } |
| 148 | timeout { fail "(timeout) next 2" } |
| 149 | } |
| 150 | |
| 151 | # Now print out anon union again |
| 152 | send_gdb "print foo\n" |
| 153 | gdb_expect { |
| 154 | -re "\\$\[0-9\]* = \{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 $" { |
| 155 | pass "print foo 4" |
| 156 | } |
| 157 | -re ".*$gdb_prompt $" { fail "print foo 4" } |
| 158 | timeout { fail "(timeout) print foo 4" } |
| 159 | } |
| 160 | |
| 161 | # Modify the member just set |
| 162 | send_gdb "set var foo.pebble = 45\n" |
| 163 | gdb_expect { |
| 164 | -re "\r\n$gdb_prompt $" { |
| 165 | pass "set var foo.pebble" |
| 166 | } |
| 167 | timeout { fail "(timeout) set var foo.pebble" } |
| 168 | } |
| 169 | |
| 170 | # Now print out anon union again to see if the right member was set |
| 171 | send_gdb "print foo\n" |
| 172 | gdb_expect { |
| 173 | -re "\\$\[0-9\]* = \{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 $" { |
| 174 | pass "print foo 5" |
| 175 | } |
| 176 | -re ".*$gdb_prompt $" { fail "print foo 5" } |
| 177 | timeout { fail "(timeout) print foo 5" } |
| 178 | } |
| 179 | |
| 180 | # Modify another member at a different level |
| 181 | send_gdb "set var foo.qux = 46\n" |
| 182 | gdb_expect { |
| 183 | -re "\r\n$gdb_prompt $" { |
| 184 | pass "set var foo.qux" |
| 185 | } |
| 186 | timeout { fail "(timeout) set var foo.qux" } |
| 187 | } |
| 188 | |
| 189 | # Now print out anon union again to see if the right member was set |
| 190 | send_gdb "print foo\n" |
| 191 | gdb_expect { |
| 192 | -re "\\$\[0-9\]* = \{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 $" { |
| 193 | pass "print foo 6" |
| 194 | } |
| 195 | -re ".*$gdb_prompt $" { fail "print foo 6" } |
| 196 | timeout { fail "(timeout) print foo 6" } |
| 197 | } |
| 198 | |
| 199 | # Modify the member at another level, but not the first one in the union |
| 200 | send_gdb "set var foo.mux = 47\n" |
| 201 | gdb_expect { |
| 202 | -re "\r\n$gdb_prompt $" { |
| 203 | pass "set var foo.mux" |
| 204 | } |
| 205 | timeout { fail "(timeout) set var foo.mux" } |
| 206 | } |
| 207 | |
| 208 | # Now print out anon union again to see if things worked |
| 209 | send_gdb "print foo\n" |
| 210 | gdb_expect { |
| 211 | -re "\\$\[0-9\]* = \{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 $" { |
| 212 | pass "print foo 7" |
| 213 | } |
| 214 | -re ".*$gdb_prompt $" { fail "print foo 7" } |
| 215 | timeout { fail "(timeout) print foo 7" } |
| 216 | } |
| 217 | |
| 218 | # Modify a member of a struct in an anon union |
| 219 | send_gdb "set var foo.x.rock = 48\n" |
| 220 | gdb_expect { |
| 221 | -re "\r\n$gdb_prompt $" { |
| 222 | pass "set var foo.x.rock" |
| 223 | } |
| 224 | timeout { fail "(timeout) set var foo.x.rock" } |
| 225 | } |
| 226 | |
| 227 | # Now print out anon union again to see if things worked |
| 228 | send_gdb "print foo\n" |
| 229 | gdb_expect { |
| 230 | -re "\\$\[0-9\]* = \{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 $" { |
| 231 | pass "print foo 8" |
| 232 | } |
| 233 | -re ".*$gdb_prompt $" { fail "print foo 8" } |
| 234 | timeout { fail "(timeout) print foo 8" } |
| 235 | } |
| 236 | |
| 237 | # Modify a member of a struct in an anon union, but something |
| 238 | # that doesn't alias to some other union member |
| 239 | send_gdb "set var foo.x.rock2 = 49\n" |
| 240 | gdb_expect { |
| 241 | -re "\r\n$gdb_prompt $" { |
| 242 | pass "set var foo.x.rock2" |
| 243 | } |
| 244 | timeout { fail "(timeout) set var foo.x.rock2" } |
| 245 | } |
| 246 | |
| 247 | # Now print out anon union again to see if things worked |
| 248 | send_gdb "print foo\n" |
| 249 | gdb_expect { |
| 250 | -re "\\$\[0-9\]* = \{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 $" { |
| 251 | pass "print foo 9" |
| 252 | } |
| 253 | -re ".*$gdb_prompt $" { fail "print foo 9" } |
| 254 | timeout { fail "(timeout) print foo 9" } |
| 255 | } |
| 256 | |
| 257 | |
| 258 | # Step over next four assignments |
| 259 | send_gdb "next 4\n" |
| 260 | gdb_expect { |
| 261 | -re "53\[ \t\]*w = 45;\r\n$gdb_prompt $" { |
| 262 | pass "next 3" |
| 263 | } |
| 264 | -re ".*$gdb_prompt $" { fail "next 3" } |
| 265 | timeout { fail "(timeout) next 3" } |
| 266 | } |
| 267 | |
| 268 | # Tests for anon unions that are not members of a class or struct |
| 269 | |
| 270 | send_gdb "print w\n" |
| 271 | gdb_expect { |
| 272 | -re "\\$\[0-9\]* = 0\r\n$gdb_prompt $" { |
| 273 | pass "print w 1" |
| 274 | } |
| 275 | -re ".*$gdb_prompt $" { fail "print w 1" } |
| 276 | timeout { fail "(timeout) print w 1" } |
| 277 | } |
| 278 | |
| 279 | send_gdb "print z\n" |
| 280 | gdb_expect { |
| 281 | -re "\\$\[0-9\]* = 0\r\n$gdb_prompt $" { |
| 282 | pass "print z 1" |
| 283 | } |
| 284 | -re ".*$gdb_prompt $" { fail "print z 1" } |
| 285 | timeout { fail "(timeout) print z 1" } |
| 286 | } |
| 287 | |
| 288 | # Step over next assignment to w |
| 289 | send_gdb "next\n" |
| 290 | gdb_expect { |
| 291 | -re "55\[ \t\]*\}\r\n$gdb_prompt $" { |
| 292 | pass "next 4" |
| 293 | } |
| 294 | -re ".*$gdb_prompt $" { fail "next 4" } |
| 295 | timeout { fail "(timeout) next 4" } |
| 296 | } |
| 297 | |
| 298 | # See if the change in value is noticed |
| 299 | send_gdb "print w\n" |
| 300 | gdb_expect { |
| 301 | -re "\\$\[0-9\]* = 45\r\n$gdb_prompt $" { |
| 302 | pass "print w 2" |
| 303 | } |
| 304 | -re ".*$gdb_prompt $" { fail "print w 2" } |
| 305 | timeout { fail "(timeout) print w 2" } |
| 306 | } |
| 307 | |
| 308 | # See if z shows the same value |
| 309 | send_gdb "print z\n" |
| 310 | gdb_expect { |
| 311 | -re "\\$\[0-9\]* = 45\r\n$gdb_prompt $" { |
| 312 | pass "print z 2" |
| 313 | } |
| 314 | -re ".*$gdb_prompt $" { fail "print z 2" } |
| 315 | timeout { fail "(timeout) print z 2" } |
| 316 | } |
| 317 | |
| 318 | # Set the anon union member |
| 319 | send_gdb "set var z = 27\n" |
| 320 | gdb_expect { |
| 321 | -re "\r\n$gdb_prompt $" { |
| 322 | pass "set var z" |
| 323 | } |
| 324 | timeout { fail "(timeout) set var z" } |
| 325 | } |
| 326 | |
| 327 | # See if the change in value is noticed |
| 328 | send_gdb "print w\n" |
| 329 | gdb_expect { |
| 330 | -re "\\$\[0-9\]* = 27\r\n$gdb_prompt $" { |
| 331 | pass "print w 3" |
| 332 | } |
| 333 | -re ".*$gdb_prompt $" { fail "print w 3" } |
| 334 | timeout { fail "(timeout) print w 3" } |
| 335 | } |
| 336 | |
| 337 | # See if z shows the same value |
| 338 | send_gdb "print z\n" |
| 339 | gdb_expect { |
| 340 | -re "\\$\[0-9\]* = 27\r\n$gdb_prompt $" { |
| 341 | pass "print z 3" |
| 342 | } |
| 343 | -re ".*$gdb_prompt $" { fail "print z 3" } |
| 344 | timeout { fail "(timeout) print z 3" } |
| 345 | } |