gdb/testsuite/gdb.base/environ.exp

   1 # Copyright 1997, 1998, 1999, 2003, 2007, 2008, 2009, 2010
   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 if $tracelevel then {
  18         strace $tracelevel
  19         }
  20
  21 global usestubs
  22
  23 #
  24 # test running programs
  25 #
  26 set prms_id 0
  27 set bug_id 0
  28
  29 # This test exists solely to exercise the "environment" commands for
  30 # code-coverage on HP-UX.
  31 #
  32 if ![istarget "hppa*-*-hpux*"] then {
  33   return
  34 }
  35
  36 set testfile "break"
  37 set srcfile ${testfile}.c
  38 set srcfile1 ${testfile}1.c
  39 set binfile ${objdir}/${subdir}/${testfile}
  40
  41 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}0.o" object {debug nowarnings}] != "" } {
  42     untested environ.exp
  43     return -1
  44 }
  45
  46 if { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile}1.o" object {debug nowarnings}] != "" } {
  47     untested environ.exp
  48     return -1
  49 }
  50
  51 if { [gdb_compile "${binfile}0.o ${binfile}1.o" "${binfile}" executable {debug nowarnings}] != "" } {
  52     untested environ.exp
  53     return -1
  54 }
  55
  56 gdb_exit
  57 gdb_start
  58 gdb_reinitialize_dir $srcdir/$subdir
  59 gdb_load ${binfile}
  60
  61 if ![runto_main] then { fail "environment command tests suppressed" }
  62
  63 # (No, this is not really related to the environment commands.  But it's
  64 # a convenient place to verify that this command works.)
  65 #
  66 send_gdb "info program\n"
  67 gdb_expect {
  68   -re ".*Using the running image of child process \[0-9\]*.\r\nProgram stopped at 0x\[0-9a-fA-F\]*.\r\nIt stopped at breakpoint 1..*$gdb_prompt $"\
  69           {pass "info program"}
  70   -re "$gdb_prompt $"\
  71           {fail "info program"}
  72   timeout {fail "(timeout) info program"}
  73 }
  74
  75 # We don't really care where this step lands, so long as it gets
  76 # the inferior pushed off the breakpoint it's currently on...
  77 #
  78 send_gdb "next\n"
  79 gdb_expect {
  80   -re ".*$gdb_prompt $"\
  81           {pass "step before info program"}
  82   timeout {fail "(timeout) step before info program"}
  83 }
  84 send_gdb "info program\n"
  85 gdb_expect {
  86   -re ".*Using the running image of child process \[0-9\]*.\r\nProgram stopped at 0x\[0-9a-fA-F\]*.\r\nIt stopped after being stepped..*$gdb_prompt $"\
  87           {pass "info program after step"}
  88   -re "$gdb_prompt $"\
  89           {fail "info program after step"}
  90   timeout {fail "(timeout) info program after step"}
  91 }
  92
  93 if ![runto_main] then { fail "environment command tests suppressed" }
  94
  95 send_gdb "delete\n"
  96 gdb_expect {
  97   -re ".*y or n. $"\
  98           {send_gdb "y\n"
  99            gdb_expect {
 100              -re ".*$gdb_prompt $"\
 101                      {pass "delete breakpoint before info program"}
 102              timeout {fail "(timeout) delete breakpoint before info program"}
 103            }
 104           }
 105   -re "$gdb_prompt $"\
 106           {fail "delete breakpoint before info program"}
 107   timeout {fail "(timeout) delete breakpoint before info program"}
 108 }
 109 send_gdb "info program\n"
 110 gdb_expect {
 111   -re ".*Using the running image of child process \[0-9\]*.\r\nProgram stopped at 0x\[0-9a-fA-F\]*.\r\nIt stopped at a breakpoint that has since been deleted..*$gdb_prompt $"\
 112           {pass "info program after deleted breakpoint"}
 113   -re "$gdb_prompt $"\
 114           {fail "info program after deleted breakpoint"}
 115   timeout {fail "(timeout) info program after deleted breakpoint"}
 116 }
 117
 118 # Verify that we can show all currently-set environment variables.
 119 # (It's a bit hacky, but nonetheless probably safe to check for at
 120 # least the SHELL variable.)
 121 #
 122 # need to increase timeout because of very long output
 123 set oldtimeout $timeout
 124 set timeout [expr "$timeout + 300"]
 125
 126 send_gdb "show environment\n"
 127 gdb_expect {
 128   -re ".*SHELL=(\[a-zA-Z0-9\]*).*$gdb_prompt $"\
 129           {pass "show environment"}
 130   -re "$gdb_prompt $"\
 131           {fail "show environment"}
 132   timeout {fail "(timeout) show environment"}
 133 }
 134 set timeout $oldtimeout
 135
 136 # Verify that we can unset a specific environment variable.
 137 #
 138 send_gdb "unset environment EDITOR\n"
 139 gdb_expect {
 140   -re "$gdb_prompt $"\
 141           {pass "issue unset environment"}
 142   timeout {fail "(timeout) issue unset environment"}
 143 }
 144 send_gdb "show environment EDITOR\n"
 145 gdb_expect {
 146   -re "Environment variable \"EDITOR\" not defined.\r\n$gdb_prompt $"\
 147           {pass "unset environment"}
 148   -re "$gdb_prompt $"\
 149           {fail "unset environment"}
 150   timeout {fail "(timeout) unset environment"}
 151 }
 152
 153 # Verify that we can unset all environment variables.
 154 #
 155 send_gdb "unset environment\n"
 156 gdb_expect {
 157   -re "Delete all environment variables.*y or n. $"\
 158           {send_gdb "y\n"
 159            gdb_expect {
 160              -re "$gdb_prompt $"\
 161                      {pass "unset entire environment"}
 162              timeout {fail "(timeout) unset entire environment"}
 163            }
 164           }
 165   -re "$gdb_prompt $"\
 166           {fail "unset entire environment"}
 167   timeout {fail "(timeout) unset entire environment"}
 168 }
 169
 170 # Verify that we can set a specific environment variable.
 171 #
 172 send_gdb "set environment EDITOR emacs\n"
 173 gdb_expect {
 174   -re "$gdb_prompt $"\
 175           {pass "issue set environment"}
 176   timeout {fail "(timeout) issue set environment"}
 177 }
 178 send_gdb "show environment EDITOR\n"
 179 gdb_expect {
 180   -re "EDITOR = emacs\r\n$gdb_prompt $"\
 181           {pass "set environment"}
 182   -re "$gdb_prompt $"\
 183           {fail "set environment"}
 184   timeout {fail "(timeout) set environment"}
 185 }
 186
 187 # Verify that GDB responds gracefully to a request to set environment,
 188 # with no variable name.
 189 #
 190 send_gdb "set environment\n"
 191 gdb_expect {
 192   -re "Argument required .environment variable and value..*$gdb_prompt $"\
 193           {pass "set environment without variable disallowed"}
 194   -re "$gdb_prompt $"\
 195           {fail "set environment without variable disallowed"}
 196   timeout {fail "(timeout) set environment without variable disallowed"}
 197 }
 198
 199 # I'm not sure just what GDB has in mind in explicitly checking
 200 # for this variant, but since GDB handles it, test it.
 201 #
 202 send_gdb "set environment =\n"
 203 gdb_expect {
 204   -re "Argument required .environment variable to set..*$gdb_prompt $"\
 205           {pass "set environment equals without variable disallowed"}
 206   -re "$gdb_prompt $"\
 207           {fail "set environment equals without variable disallowed"}
 208   timeout {fail "(timeout) set environment equals without variable disallowed"}
 209 }
 210
 211 # Setting an environment variable without a value sets it to a NULL
 212 # value.
 213 #
 214 send_gdb "set environment EDITOR\n"
 215 gdb_expect {
 216   -re "Setting environment variable \"EDITOR\" to null value..*$gdb_prompt $"\
 217           {pass "issue set environment without variable value"}
 218   -re "$gdb_prompt $"\
 219           {fail "issue set environment without variable value"}
 220   timeout {fail "(timeout) issue set environment without variable value"}
 221 }
 222 send_gdb "show environment EDITOR\n"
 223 gdb_expect {
 224   -re "EDITOR = \r\n$gdb_prompt $"\
 225           {pass "set environment without variable value"}
 226   -re "$gdb_prompt $"\
 227           {fail "set environment without variable value"}
 228   timeout {fail "(timeout) set environment without variable value"}
 229 }
 230
 231 # Verify that GDB responds gracefully to an attempt to show a
 232 # non-existent environment variable.  (We hope this variable is
 233 # undefined!)
 234 #
 235 send_gdb "show environment FOOBARBAZGRUNGESPAZBALL\n"
 236 gdb_expect {
 237   -re "Environment variable \"FOOBARBAZGRUNGESPAZBALL\" not defined..*$gdb_prompt $"\
 238           {pass "show non-existent environment variable disallowed"}
 239   -re "$gdb_prompt $"\
 240           {fail "show non-existent environment variable disallowed"}
 241   timeout {fail "(timeout) show non-existent environment variable disallowed"}
 242 }
 243
 244 # Verify that GDB can set an environment variable hitherto undefined.
 245 #
 246 send_gdb "set environment FOOBARBAZGRUNGESPAZBALL t\n"
 247 gdb_expect {
 248   -re "$gdb_prompt $"\
 249           {pass "issue set environment for previously undefined variable"}
 250   timeout {fail "(timeout) issue set environment for previously undefined variable"}
 251 }
 252 send_gdb "show environment FOOBARBAZGRUNGESPAZBALL\n"
 253 gdb_expect {
 254   -re "FOOBARBAZGRUNGESPAZBALL = t\r\n$gdb_prompt $"\
 255           {pass "set environment for previously undefined variable"}
 256   -re "$gdb_prompt $"\
 257           {fail "set environment for previously undefined variable"}
 258   timeout {fail "(timeout) set environment for previously undefined variable"}
 259 }
 260
 261 # Verify that GDB can also set an environment variable using the "="
 262 # syntax.
 263 #
 264 send_gdb "set environment FOOBARBAZGRUNGESPAZBALL = t\n"
 265 gdb_expect {
 266   -re "$gdb_prompt $"\
 267           {pass "issue set environment with equals"}
 268   timeout {fail "(timeout) issue set environment with equals"}
 269 }
 270 send_gdb "show environment FOOBARBAZGRUNGESPAZBALL\n"
 271 gdb_expect {
 272   -re "FOOBARBAZGRUNGESPAZBALL = t\r\n$gdb_prompt $"\
 273           {pass "set environment with equals"}
 274   -re "$gdb_prompt $"\
 275           {fail "set environment with equals"}
 276   timeout {fail "(timeout) set environment with equals"}
 277 }
 278
 279 # Verify that GDB can set an environment variable to a value that has
 280 # an embedded (trailing, in this case) equals.
 281 #
 282 send_gdb "set environment FOOBARBAZGRUNGESPAZBALL t=\n"
 283 gdb_expect {
 284   -re "$gdb_prompt $"\
 285           {pass "issue set environment with trailing equals"}
 286   timeout {fail "(timeout) issue set environment with trailing equals"}
 287 }
 288 send_gdb "show environment FOOBARBAZGRUNGESPAZBALL\n"
 289 gdb_expect {
 290   -re "FOOBARBAZGRUNGESPAZBALL = t=\r\n$gdb_prompt $"\
 291           {pass "set environment with trailing equals"}
 292   -re "$gdb_prompt $"\
 293           {fail "set environment with trailing equals"}
 294   timeout {fail "(timeout) set environment with trailing equals"}
 295 }
 296
 297 # Verify that GDB can set an environment variable to a value preceded
 298 # by whitespace, and that such whitespace is ignored (not included
 299 # in the set value).
 300 #
 301 send_gdb "set environment FOOBARBAZGRUNGESPAZBALL =     foo\n"
 302 gdb_expect {
 303   -re "$gdb_prompt $"\
 304           {pass "issue set environment with preceding whitespace"}
 305   timeout {fail "(timeout) issue set environment with preceding whitespace"}
 306 }
 307 send_gdb "show environment FOOBARBAZGRUNGESPAZBALL\n"
 308 gdb_expect {
 309   -re "FOOBARBAZGRUNGESPAZBALL = foo\r\n$gdb_prompt $"\
 310           {pass "set environment with preceding whitespace"}
 311   -re "$gdb_prompt $"\
 312           {fail "set environment with preceding whitespace"}
 313   timeout {fail "(timeout) set environment with preceding whitespace"}
 314 }
 315
 316 # Verify that GDB can manipulate the distinguished PATH variable.
 317 #
 318 send_gdb "path /tmp/FOOBARBAZGRUNGESPAZBALL\n"
 319 gdb_expect {
 320   -re ".*Executable and object file path: /tmp/FOOBARBAZGRUNGESPAZBALL.*$gdb_prompt $"\
 321           {pass "issue path"}
 322   -re "$gdb_prompt $"\
 323           {fail "issue path"}
 324   timeout {fail "(timeout) issue path"}
 325 }
 326 send_gdb "show paths\n"
 327 gdb_expect {
 328   -re "Executable and object file path: /tmp/FOOBARBAZGRUNGESPAZBALL.*$gdb_prompt $"\
 329           {pass "show paths"}
 330   -re "$gdb_prompt $"\
 331           {fail "show paths"}
 332   timeout {fail "(timeout) show paths"}
 333 }
 334
 335 gdb_exit
 336 return 0