gdb/testsuite/gdb.base/environ.exp

   1 # Copyright 1997, 1998, 1999, 2003, 2007, 2008 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 3 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, see <http://www.gnu.org/licenses/>.  */
  15
  16 if $tracelevel then {
  17         strace $tracelevel
  18         }
  19
  20 global usestubs
  21
  22 #
  23 # test running programs
  24 #
  25 set prms_id 0
  26 set bug_id 0
  27
  28 # This test exists solely to exercise the "environment" commands for
  29 # code-coverage on HP-UX.
  30 #
  31 if ![istarget "hppa*-*-hpux*"] then {
  32   return
  33 }
  34
  35 set testfile "break"
  36 set srcfile ${testfile}.c
  37 set srcfile1 ${testfile}1.c
  38 set binfile ${objdir}/${subdir}/${testfile}
  39
  40 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}0.o" object {debug nowarnings}] != "" } {
  41     untested environ.exp
  42     return -1
  43 }
  44
  45 if { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile}1.o" object {debug nowarnings}] != "" } {
  46     untested environ.exp
  47     return -1
  48 }
  49
  50 if { [gdb_compile "${binfile}0.o ${binfile}1.o" "${binfile}" executable {debug nowarnings}] != "" } {
  51     untested environ.exp
  52     return -1
  53 }
  54
  55 gdb_exit
  56 gdb_start
  57 gdb_reinitialize_dir $srcdir/$subdir
  58 gdb_load ${binfile}
  59
  60 if ![runto_main] then { fail "environment command tests suppressed" }
  61
  62 # (No, this is not really related to the environment commands.  But it's
  63 # a convenient place to verify that this command works.)
  64 #
  65 send_gdb "info program\n"
  66 gdb_expect {
  67   -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 $"\
  68           {pass "info program"}
  69   -re "$gdb_prompt $"\
  70           {fail "info program"}
  71   timeout {fail "(timeout) info program"}
  72 }
  73
  74 # We don't really care where this step lands, so long as it gets
  75 # the inferior pushed off the breakpoint it's currently on...
  76 #
  77 send_gdb "next\n"
  78 gdb_expect {
  79   -re ".*$gdb_prompt $"\
  80           {pass "step before info program"}
  81   timeout {fail "(timeout) step before info program"}
  82 }
  83 send_gdb "info program\n"
  84 gdb_expect {
  85   -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 $"\
  86           {pass "info program after step"}
  87   -re "$gdb_prompt $"\
  88           {fail "info program after step"}
  89   timeout {fail "(timeout) info program after step"}
  90 }
  91
  92 if ![runto_main] then { fail "environment command tests suppressed" }
  93
  94 send_gdb "delete\n"
  95 gdb_expect {
  96   -re ".*y or n. $"\
  97           {send_gdb "y\n"
  98            gdb_expect {
  99              -re ".*$gdb_prompt $"\
 100                      {pass "delete breakpoint before info program"}
 101              timeout {fail "(timeout) delete breakpoint before info program"}
 102            }
 103           }
 104   -re "$gdb_prompt $"\
 105           {fail "delete breakpoint before info program"}
 106   timeout {fail "(timeout) delete breakpoint before info program"}
 107 }
 108 send_gdb "info program\n"
 109 gdb_expect {
 110   -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 $"\
 111           {pass "info program after deleted breakpoint"}
 112   -re "$gdb_prompt $"\
 113           {fail "info program after deleted breakpoint"}
 114   timeout {fail "(timeout) info program after deleted breakpoint"}
 115 }
 116
 117 # Verify that we can show all currently-set environment variables.
 118 # (It's a bit hacky, but nonetheless probably safe to check for at
 119 # least the SHELL variable.)
 120 #
 121 # need to increase timeout because of very long output
 122 set oldtimeout $timeout
 123 set timeout [expr "$timeout + 300"]
 124
 125 send_gdb "show environment\n"
 126 gdb_expect {
 127   -re ".*SHELL=(\[a-zA-Z0-9\]*).*$gdb_prompt $"\
 128           {pass "show environment"}
 129   -re "$gdb_prompt $"\
 130           {fail "show environment"}
 131   timeout {fail "(timeout) show environment"}
 132 }
 133 set timeout $oldtimeout
 134
 135 # Verify that we can unset a specific environment variable.
 136 #
 137 send_gdb "unset environment EDITOR\n"
 138 gdb_expect {
 139   -re "$gdb_prompt $"\
 140           {pass "issue unset environment"}
 141   timeout {fail "(timeout) issue unset environment"}
 142 }
 143 send_gdb "show environment EDITOR\n"
 144 gdb_expect {
 145   -re "Environment variable \"EDITOR\" not defined.\r\n$gdb_prompt $"\
 146           {pass "unset environment"}
 147   -re "$gdb_prompt $"\
 148           {fail "unset environment"}
 149   timeout {fail "(timeout) unset environment"}
 150 }
 151
 152 # Verify that we can unset all environment variables.
 153 #
 154 send_gdb "unset environment\n"
 155 gdb_expect {
 156   -re "Delete all environment variables.*y or n. $"\
 157           {send_gdb "y\n"
 158            gdb_expect {
 159              -re "$gdb_prompt $"\
 160                      {pass "unset entire environment"}
 161              timeout {fail "(timeout) unset entire environment"}
 162            }
 163           }
 164   -re "$gdb_prompt $"\
 165           {fail "unset entire environment"}
 166   timeout {fail "(timeout) unset entire environment"}
 167 }
 168
 169 # Verify that we can set a specific environment variable.
 170 #
 171 send_gdb "set environment EDITOR emacs\n"
 172 gdb_expect {
 173   -re "$gdb_prompt $"\
 174           {pass "issue set environment"}
 175   timeout {fail "(timeout) issue set environment"}
 176 }
 177 send_gdb "show environment EDITOR\n"
 178 gdb_expect {
 179   -re "EDITOR = emacs\r\n$gdb_prompt $"\
 180           {pass "set environment"}
 181   -re "$gdb_prompt $"\
 182           {fail "set environment"}
 183   timeout {fail "(timeout) set environment"}
 184 }
 185
 186 # Verify that GDB responds gracefully to a request to set environment,
 187 # with no variable name.
 188 #
 189 send_gdb "set environment\n"
 190 gdb_expect {
 191   -re "Argument required .environment variable and value..*$gdb_prompt $"\
 192           {pass "set environment without variable disallowed"}
 193   -re "$gdb_prompt $"\
 194           {fail "set environment without variable disallowed"}
 195   timeout {fail "(timeout) set environment without variable disallowed"}
 196 }
 197
 198 # I'm not sure just what GDB has in mind in explicitly checking
 199 # for this variant, but since GDB handles it, test it.
 200 #
 201 send_gdb "set environment =\n"
 202 gdb_expect {
 203   -re "Argument required .environment variable to set..*$gdb_prompt $"\
 204           {pass "set environment equals without variable disallowed"}
 205   -re "$gdb_prompt $"\
 206           {fail "set environment equals without variable disallowed"}
 207   timeout {fail "(timeout) set environment equals without variable disallowed"}
 208 }
 209
 210 # Setting an environment variable without a value sets it to a NULL
 211 # value.
 212 #
 213 send_gdb "set environment EDITOR\n"
 214 gdb_expect {
 215   -re "Setting environment variable \"EDITOR\" to null value..*$gdb_prompt $"\
 216           {pass "issue set environment without variable value"}
 217   -re "$gdb_prompt $"\
 218           {fail "issue set environment without variable value"}
 219   timeout {fail "(timeout) issue set environment without variable value"}
 220 }
 221 send_gdb "show environment EDITOR\n"
 222 gdb_expect {
 223   -re "EDITOR = \r\n$gdb_prompt $"\
 224           {pass "set environment without variable value"}
 225   -re "$gdb_prompt $"\
 226           {fail "set environment without variable value"}
 227   timeout {fail "(timeout) set environment without variable value"}
 228 }
 229
 230 # Verify that GDB responds gracefully to an attempt to show a
 231 # non-existent environment variable.  (We hope this variable is
 232 # undefined!)
 233 #
 234 send_gdb "show environment FOOBARBAZGRUNGESPAZBALL\n"
 235 gdb_expect {
 236   -re "Environment variable \"FOOBARBAZGRUNGESPAZBALL\" not defined..*$gdb_prompt $"\
 237           {pass "show non-existent environment variable disallowed"}
 238   -re "$gdb_prompt $"\
 239           {fail "show non-existent environment variable disallowed"}
 240   timeout {fail "(timeout) show non-existent environment variable disallowed"}
 241 }
 242
 243 # Verify that GDB can set an environment variable hitherto undefined.
 244 #
 245 send_gdb "set environment FOOBARBAZGRUNGESPAZBALL t\n"
 246 gdb_expect {
 247   -re "$gdb_prompt $"\
 248           {pass "issue set environment for previously undefined variable"}
 249   timeout {fail "(timeout) issue set environment for previously undefined variable"}
 250 }
 251 send_gdb "show environment FOOBARBAZGRUNGESPAZBALL\n"
 252 gdb_expect {
 253   -re "FOOBARBAZGRUNGESPAZBALL = t\r\n$gdb_prompt $"\
 254           {pass "set environment for previously undefined variable"}
 255   -re "$gdb_prompt $"\
 256           {fail "set environment for previously undefined variable"}
 257   timeout {fail "(timeout) set environment for previously undefined variable"}
 258 }
 259
 260 # Verify that GDB can also set an environment variable using the "="
 261 # syntax.
 262 #
 263 send_gdb "set environment FOOBARBAZGRUNGESPAZBALL = t\n"
 264 gdb_expect {
 265   -re "$gdb_prompt $"\
 266           {pass "issue set environment with equals"}
 267   timeout {fail "(timeout) issue set environment with equals"}
 268 }
 269 send_gdb "show environment FOOBARBAZGRUNGESPAZBALL\n"
 270 gdb_expect {
 271   -re "FOOBARBAZGRUNGESPAZBALL = t\r\n$gdb_prompt $"\
 272           {pass "set environment with equals"}
 273   -re "$gdb_prompt $"\
 274           {fail "set environment with equals"}
 275   timeout {fail "(timeout) set environment with equals"}
 276 }
 277
 278 # Verify that GDB can set an environment variable to a value that has
 279 # an embedded (trailing, in this case) equals.
 280 #
 281 send_gdb "set environment FOOBARBAZGRUNGESPAZBALL t=\n"
 282 gdb_expect {
 283   -re "$gdb_prompt $"\
 284           {pass "issue set environment with trailing equals"}
 285   timeout {fail "(timeout) issue set environment with trailing equals"}
 286 }
 287 send_gdb "show environment FOOBARBAZGRUNGESPAZBALL\n"
 288 gdb_expect {
 289   -re "FOOBARBAZGRUNGESPAZBALL = t=\r\n$gdb_prompt $"\
 290           {pass "set environment with trailing equals"}
 291   -re "$gdb_prompt $"\
 292           {fail "set environment with trailing equals"}
 293   timeout {fail "(timeout) set environment with trailing equals"}
 294 }
 295
 296 # Verify that GDB can set an environment variable to a value preceded
 297 # by whitespace, and that such whitespace is ignored (not included
 298 # in the set value).
 299 #
 300 send_gdb "set environment FOOBARBAZGRUNGESPAZBALL =     foo\n"
 301 gdb_expect {
 302   -re "$gdb_prompt $"\
 303           {pass "issue set environment with preceding whitespace"}
 304   timeout {fail "(timeout) issue set environment with preceding whitespace"}
 305 }
 306 send_gdb "show environment FOOBARBAZGRUNGESPAZBALL\n"
 307 gdb_expect {
 308   -re "FOOBARBAZGRUNGESPAZBALL = foo\r\n$gdb_prompt $"\
 309           {pass "set environment with preceding whitespace"}
 310   -re "$gdb_prompt $"\
 311           {fail "set environment with preceding whitespace"}
 312   timeout {fail "(timeout) set environment with preceding whitespace"}
 313 }
 314
 315 # Verify that GDB can manipulate the distinguished PATH variable.
 316 #
 317 send_gdb "path /tmp/FOOBARBAZGRUNGESPAZBALL\n"
 318 gdb_expect {
 319   -re ".*Executable and object file path: /tmp/FOOBARBAZGRUNGESPAZBALL.*$gdb_prompt $"\
 320           {pass "issue path"}
 321   -re "$gdb_prompt $"\
 322           {fail "issue path"}
 323   timeout {fail "(timeout) issue path"}
 324 }
 325 send_gdb "show paths\n"
 326 gdb_expect {
 327   -re "Executable and object file path: /tmp/FOOBARBAZGRUNGESPAZBALL.*$gdb_prompt $"\
 328           {pass "show paths"}
 329   -re "$gdb_prompt $"\
 330           {fail "show paths"}
 331   timeout {fail "(timeout) show paths"}
 332 }
 333
 334 gdb_exit
 335 return 0