gdb/testsuite/gdb.base/testenv.exp

   1 # Copyright 2011-2012 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 # This file was written by Pierre Muller <muller@ics.u-strasbg.fr>
  17 #
  18 # Check if environment variables are correctly passed to inferiors
  19 #
  20
  21 if $tracelevel then {
  22         strace $tracelevel
  23 }
  24
  25 # There's no support for passing environment variables in the remote protocol.
  26 if { [is_remote target] } {
  27     return 0
  28 }
  29
  30 set testfile "testenv"
  31 set srcfile ${testfile}.c
  32 set binfile ${testfile}
  33
  34 # Compile binary
  35 # and start with a fresh gdb
  36
  37 if { [prepare_for_testing ${testfile}.exp ${binfile} ${srcfile}] } {
  38      return -1
  39 }
  40
  41 # make sure $pc is sane, in case we're talking to a board.
  42 if { ![runto_main] } {
  43     gdb_suppress_tests;
  44 }
  45
  46 set bp_line [gdb_get_line_number "set breakpoint here"]
  47 gdb_breakpoint  $bp_line
  48
  49 #
  50 # Test gdb set/unset environment commands.
  51 # Executable lists and counts all environment variables
  52 # starting with TEST_GDB.
  53
  54
  55 # First test with no TEST_GDB_VAR
  56 gdb_test "continue" \
  57   ".*Program found 0 variables starting with TEST_GDB.*" \
  58   "Test no TEST_GDB var"
  59
  60 gdb_test_no_output "set env TEST_GDB_VAR1 test1" \
  61   "Set TEST_GDB_VAR1"
  62
  63 runto_main
  64 gdb_breakpoint  $bp_line
  65
  66 # Second test with one TEST_GDB_VAR
  67 gdb_test "continue" \
  68   ".*Program found 1 variables starting with TEST_GDB.*" \
  69   "Test with one TEST_GDB var"
  70
  71 gdb_test_no_output "set env TEST_GDB_VAR2 test2" \
  72   "Set TEST_GDB_VAR2"
  73
  74 runto_main
  75 gdb_breakpoint  $bp_line
  76
  77 # Third test with two TEST_GDB_VAR
  78 gdb_test "continue"  \
  79   ".*Program found 2 variables starting with TEST_GDB.*" \
  80   "Test with two TEST_GDB var"
  81
  82 gdb_test_no_output "unset env TEST_GDB_VAR1" \
  83   "Unset TEST_GDB_VAR1"
  84
  85 runto_main
  86 gdb_breakpoint  $bp_line
  87
  88 # Fourth test with one TEST_GDB_VAR left, after one was removed
  89 # with unset command.
  90 gdb_test "continue"  \
  91   ".*Program found 1 variables starting with TEST_GDB.*" \
  92   "Test with one TEST_GDB var, after unset"
  93
  94 gdb_exit
  95
  96 set env(TEST_GDB_GLOBAL) "Global environment value"
  97
  98 clean_restart $binfile
  99
 100 # make sure $pc is sane, in case we're talking to a board.
 101 if { ![runto_main] } {
 102     gdb_suppress_tests;
 103 }
 104
 105 set bp_line [gdb_get_line_number "set breakpoint here"]
 106 gdb_breakpoint  $bp_line
 107
 108 gdb_test "show env" ".*TEST_GDB_GLOBAL=.*" "Test passing TEST_GDB_GLOBAL to GDB"
 109 # First test with only inherited TEST_GDB_GLOBAL
 110 gdb_test "continue" \
 111   ".*TEST_GDB_GLOBAL=Global environment value.*Program found 1 variables starting with TEST_GDB.*" \
 112   "Test with TEST_GDB_GLOBAL"
 113
 114 gdb_test_no_output "unset env TEST_GDB_GLOBAL" \
 115   "Unset TEST_GDB_GLOBAL"
 116
 117 runto_main
 118 gdb_breakpoint  $bp_line
 119
 120 # Second test with one TEST_GDB_VAR
 121 gdb_test "continue" \
 122   ".*Program found 0 variables starting with TEST_GDB.*" \
 123   "Test with TEST_GDB_GLOBAL unset"
 124
 125 gdb_exit
 126
 127 # Clear environment in case we're doing multiple runs
 128 unset env(TEST_GDB_GLOBAL)
 129