gdb/testsuite/gdb.base/environ.exp

   1 #   Copyright (C) 1997, 1998 Free Software Foundation, Inc.
   2
   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 # Please email any bugs, comments, and/or additions to this file to:
  19 # bug-gdb@prep.ai.mit.edu
  20
  21 if $tracelevel then {
  22         strace $tracelevel
  23         }
  24
  25 global usestubs
  26
  27 #
  28 # test running programs
  29 #
  30 set prms_id 0
  31 set bug_id 0
  32
  33 # This test exists solely to exercise the "environment" commands for
  34 # code-coverage on HP-UX.
  35 #
  36 if ![istarget "hppa*-*-hpux*"] then {
  37   return
  38 }
  39
  40 set testfile "break"
  41 set srcfile ${testfile}.c
  42 set binfile ${objdir}/${subdir}/${testfile}
  43
  44
  45 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  46      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  47 }
  48
  49 gdb_exit
  50 gdb_start
  51 gdb_reinitialize_dir $srcdir/$subdir
  52 gdb_load ${binfile}
  53
  54 if ![runto_main] then { fail "environment command tests suppressed" }
  55
  56 # (No, this is not really related to the environment commands.  But it's
  57 # a convenient place to verify that this command works.)
  58 #
  59 send_gdb "info program\n"
  60 gdb_expect {
  61   -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 $"\
  62           {pass "info program"}
  63   -re "$gdb_prompt $"\
  64           {fail "info program"}
  65   timeout {fail "(timeout) info program"}
  66 }
  67
  68 # We don't really care where this step lands, so long as it gets
  69 # the inferior pushed off the breakpoint it's currently on...
  70 #
  71 send_gdb "next\n"
  72 gdb_expect {
  73   -re ".*$gdb_prompt $"\
  74           {pass "step before info program"}
  75   timeout {fail "(timeout) step before info program"}
  76 }
  77 send_gdb "info program\n"
  78 gdb_expect {
  79   -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 $"\
  80           {pass "info program after step"}
  81   -re "$gdb_prompt $"\
  82           {fail "info program after step"}
  83   timeout {fail "(timeout) info program after step"}
  84 }
  85
  86 if ![runto_main] then { fail "environment command tests suppressed" }
  87
  88 send_gdb "delete\n"
  89 gdb_expect {
  90   -re ".*y or n. $"\
  91           {send_gdb "y\n"
  92            gdb_expect {
  93              -re ".*$gdb_prompt $"\
  94                      {pass "delete breakpoint before info program"}
  95              timeout {fail "(timeout) delete breakpoint before info program"}
  96            }
  97           }
  98   -re "$gdb_prompt $"\
  99           {fail "delete breakpoint before info program"}
 100   timeout {fail "(timeout) delete breakpoint before info program"}
 101 }
 102 send_gdb "info program\n"
 103 gdb_expect {
 104   -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 $"\
 105           {pass "info program after deleted breakpoint"}
 106   -re "$gdb_prompt $"\
 107           {fail "info program after deleted breakpoint"}
 108   timeout {fail "(timeout) info program after deleted breakpoint"}
 109 }
 110
 111 # Verify that we can show all currently-set environment variables.
 112 # (It's a bit hacky, but nonetheless probably safe to check for at
 113 # least the SHELL variable.)
 114 #
 115 # need to increase timeout because of very long output
 116 set oldtimeout $timeout
 117 set timeout [expr "$timeout + 300"]
 118
 119 send_gdb "show environment\n"
 120 gdb_expect {
 121   -re ".*SHELL=(\[a-zA-Z0-9\]*).*$gdb_prompt $"\
 122           {pass "show environment"}
 123   -re "$gdb_prompt $"\
 124           {fail "show environment"}
 125   timeout {fail "(timeout) show environment"}
 126 }
 127 set timeout $oldtimeout
 128
 129 # Verify that we can unset a specific environment variable.
 130 #
 131 send_gdb "unset environment EDITOR\n"
 132 gdb_expect {
 133   -re "$gdb_prompt $"\
 134           {pass "issue unset environment"}
 135   timeout {fail "(timeout) issue unset environment"}
 136 }
 137 send_gdb "show environment EDITOR\n"
 138 gdb_expect {
 139   -re "Environment variable \"EDITOR\" not defined.\r\n$gdb_prompt $"\
 140           {pass "unset environment"}
 141   -re "$gdb_prompt $"\
 142           {fail "unset environment"}
 143   timeout {fail "(timeout) unset environment"}
 144 }
 145
 146 # Verify that we can unset all environment variables.
 147 #
 148 send_gdb "unset environment\n"
 149 gdb_expect {
 150   -re "Delete all environment variables.*y or n. $"\
 151           {send_gdb "y\n"
 152            gdb_expect {
 153              -re "$gdb_prompt $"\
 154                      {pass "unset entire environment"}
 155              timeout {fail "(timeout) unset entire environment"}
 156            }
 157           }
 158   -re "$gdb_prompt $"\
 159           {fail "unset entire environment"}
 160   timeout {fail "(timeout) unset entire environment"}
 161 }
 162
 163 # Verify that we can set a specific environment variable.
 164 #
 165 send_gdb "set environment EDITOR emacs\n"
 166 gdb_expect {
 167   -re "$gdb_prompt $"\
 168           {pass "issue set environment"}
 169   timeout {fail "(timeout) issue set environment"}
 170 }
 171 send_gdb "show environment EDITOR\n"
 172 gdb_expect {
 173   -re "EDITOR = emacs\r\n$gdb_prompt $"\
 174           {pass "set environment"}
 175   -re "$gdb_prompt $"\
 176           {fail "set environment"}
 177   timeout {fail "(timeout) set environment"}
 178 }
 179
 180 # Verify that GDB responds gracefully to a request to set environment,
 181 # with no variable name.
 182 #
 183 send_gdb "set environment\n"
 184 gdb_expect {
 185   -re "Argument required .environment variable and value..*$gdb_prompt $"\
 186           {pass "set environment without variable disallowed"}
 187   -re "$gdb_prompt $"\
 188           {fail "set environment without variable disallowed"}
 189   timeout {fail "(timeout) set environment without variable disallowed"}
 190 }
 191
 192 # I'm not sure just what GDB has in mind in explicitly checking
 193 # for this variant, but since GDB handles it, test it.
 194 #
 195 send_gdb "set environment =\n"
 196 gdb_expect {
 197   -re "Argument required .environment variable to set..*$gdb_prompt $"\
 198           {pass "set environment equals without variable disallowed"}
 199   -re "$gdb_prompt $"\
 200           {fail "set environment equals without variable disallowed"}
 201   timeout {fail "(timeout) set environment equals without variable disallowed"}
 202 }
 203
 204 # Setting an environment variable without a value sets it to a NULL
 205 # value.
 206 #
 207 send_gdb "set environment EDITOR\n"
 208 gdb_expect {
 209   -re "Setting environment variable \"EDITOR\" to null value..*$gdb_prompt $"\
 210           {pass "issue set environment without variable value"}
 211   -re "$gdb_prompt $"\
 212           {fail "issue set environment without variable value"}
 213   timeout {fail "(timeout) issue set environment without variable value"}
 214 }
 215 send_gdb "show environment EDITOR\n"
 216 gdb_expect {
 217   -re "EDITOR = \r\n$gdb_prompt $"\
 218           {pass "set environment without variable value"}
 219   -re "$gdb_prompt $"\
 220           {fail "set environment without variable value"}
 221   timeout {fail "(timeout) set environment without variable value"}
 222 }
 223
 224 # Verify that GDB responds gracefully to an attempt to show a
 225 # non-existent environment variable.  (We hope this variable is
 226 # undefined!)
 227 #
 228 send_gdb "show environment FOOBARBAZGRUNGESPAZBALL\n"
 229 gdb_expect {
 230   -re "Environment variable \"FOOBARBAZGRUNGESPAZBALL\" not defined..*$gdb_prompt $"\
 231           {pass "show non-existent environment variable disallowed"}
 232   -re "$gdb_prompt $"\
 233           {fail "show non-existent environment variable disallowed"}
 234   timeout {fail "(timeout) show non-existent environment variable disallowed"}
 235 }
 236
 237 # Verify that GDB can set an environment variable hitherto undefined.
 238 #
 239 send_gdb "set environment FOOBARBAZGRUNGESPAZBALL t\n"
 240 gdb_expect {
 241   -re "$gdb_prompt $"\
 242           {pass "issue set environment for previously undefined variable"}
 243   timeout {fail "(timeout) issue set environment for previously undefined variable"}
 244 }
 245 send_gdb "show environment FOOBARBAZGRUNGESPAZBALL\n"
 246 gdb_expect {
 247   -re "FOOBARBAZGRUNGESPAZBALL = t\r\n$gdb_prompt $"\
 248           {pass "set environment for previously undefined variable"}
 249   -re "$gdb_prompt $"\
 250           {fail "set environment for previously undefined variable"}
 251   timeout {fail "(timeout) set environment for previously undefined variable"}
 252 }
 253
 254 # Verify that GDB can also set an environment variable using the "="
 255 # syntax.
 256 #
 257 send_gdb "set environment FOOBARBAZGRUNGESPAZBALL = t\n"
 258 gdb_expect {
 259   -re "$gdb_prompt $"\
 260           {pass "issue set environment with equals"}
 261   timeout {fail "(timeout) issue set environment with equals"}
 262 }
 263 send_gdb "show environment FOOBARBAZGRUNGESPAZBALL\n"
 264 gdb_expect {
 265   -re "FOOBARBAZGRUNGESPAZBALL = t\r\n$gdb_prompt $"\
 266           {pass "set environment with equals"}
 267   -re "$gdb_prompt $"\
 268           {fail "set environment with equals"}
 269   timeout {fail "(timeout) set environment with equals"}
 270 }
 271
 272 # Verify that GDB can set an environment variable to a value that has
 273 # an embedded (trailing, in this case) equals.
 274 #
 275 send_gdb "set environment FOOBARBAZGRUNGESPAZBALL t=\n"
 276 gdb_expect {
 277   -re "$gdb_prompt $"\
 278           {pass "issue set environment with trailing equals"}
 279   timeout {fail "(timeout) issue set environment with trailing equals"}
 280 }
 281 send_gdb "show environment FOOBARBAZGRUNGESPAZBALL\n"
 282 gdb_expect {
 283   -re "FOOBARBAZGRUNGESPAZBALL = t=\r\n$gdb_prompt $"\
 284           {pass "set environment with trailing equals"}
 285   -re "$gdb_prompt $"\
 286           {fail "set environment with trailing equals"}
 287   timeout {fail "(timeout) set environment with trailing equals"}
 288 }
 289
 290 # Verify that GDB can set an environment variable to a value preceded
 291 # by whitespace, and that such whitespace is ignored (not included
 292 # in the set value).
 293 #
 294 send_gdb "set environment FOOBARBAZGRUNGESPAZBALL =     foo\n"
 295 gdb_expect {
 296   -re "$gdb_prompt $"\
 297           {pass "issue set environment with preceding whitespace"}
 298   timeout {fail "(timeout) issue set environment with preceding whitespace"}
 299 }
 300 send_gdb "show environment FOOBARBAZGRUNGESPAZBALL\n"
 301 gdb_expect {
 302   -re "FOOBARBAZGRUNGESPAZBALL = foo\r\n$gdb_prompt $"\
 303           {pass "set environment with preceding whitespace"}
 304   -re "$gdb_prompt $"\
 305           {fail "set environment with preceding whitespace"}
 306   timeout {fail "(timeout) set environment with preceding whitespace"}
 307 }
 308
 309 # Verify that GDB can manipulate the distinguished PATH variable.
 310 #
 311 send_gdb "path /tmp/FOOBARBAZGRUNGESPAZBALL\n"
 312 gdb_expect {
 313   -re ".*Executable and object file path: /tmp/FOOBARBAZGRUNGESPAZBALL.*$gdb_prompt $"\
 314           {pass "issue path"}
 315   -re "$gdb_prompt $"\
 316           {fail "issue path"}
 317   timeout {fail "(timeout) issue path"}
 318 }
 319 send_gdb "show paths\n"
 320 gdb_expect {
 321   -re "Executable and object file path: /tmp/FOOBARBAZGRUNGESPAZBALL.*$gdb_prompt $"\
 322           {pass "show paths"}
 323   -re "$gdb_prompt $"\
 324           {fail "show paths"}
 325   timeout {fail "(timeout) show paths"}
 326 }
 327
 328 gdb_exit
 329 return 0