gnu/dist/gdb6/gdb/testsuite/gdb.base/gdbvars.exp

   1 # Copyright (C) 1992, 1997 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 # This file was written by Fred Fish. (fnf@cygnus.com)
  21
  22 if $tracelevel then {
  23         strace $tracelevel
  24 }
  25
  26 set prms_id 0
  27 set bug_id 0
  28
  29 proc test_convenience_variables {} {
  30     global gdb_prompt
  31
  32     gdb_test "set \$foo = 101"  "" \
  33         "Set a new convenience variable"
  34
  35     gdb_test "print \$foo"              " = 101" \
  36         "Print contents of new convenience variable"
  37
  38     gdb_test "set \$foo = 301"  "" \
  39         "Set convenience variable to a new value"
  40
  41     gdb_test "print \$foo"              " = 301" \
  42         "Print new contents of convenience variable"
  43
  44     gdb_test "set \$_ = 11"             "" \
  45         "Set convenience variable \$_"
  46
  47     gdb_test "print \$_"                " = 11" \
  48         "Print contents of convenience variable \$_"
  49
  50     gdb_test "print \$foo + 10" " = 311" \
  51         "Use convenience variable in arithmetic expression"
  52
  53     gdb_test "print (\$foo = 32) + 4"   " = 36" \
  54         "Use convenience variable assignment in arithmetic expression"
  55
  56     gdb_test "print \$bar"              " = void" \
  57         "Print contents of uninitialized convenience variable"
  58 }
  59
  60 proc test_value_history {} {
  61     global gdb_prompt
  62
  63     gdb_test "print 101"        "\\\$1 = 101" \
  64         "Set value-history\[1\] using \$1"
  65
  66     gdb_test "print 102"        "\\\$2 = 102" \
  67         "Set value-history\[2\] using \$2"
  68
  69     gdb_test "print 103"        "\\\$3 = 103" \
  70         "Set value-history\[3\] using \$3"
  71
  72     gdb_test "print \$\$"       "\\\$4 = 102" \
  73         "Print value-history\[MAX-1\] using inplicit index \$\$"
  74
  75     gdb_test "print \$\$"       "\\\$5 = 103" \
  76         "Print value-history\[MAX-1\] again using implicit index \$\$"
  77
  78     gdb_test "print \$" "\\\$6 = 103" \
  79         "Print value-history\[MAX\] using implicit index \$"
  80
  81     gdb_test "print \$\$2"      "\\\$7 = 102" \
  82         "Print value-history\[MAX-2\] using explicit index \$\$2"
  83
  84     gdb_test "print \$0"        "\\\$8 = 102" \
  85         "Print value-history\[MAX\] using explicit index \$0"
  86
  87     gdb_test "print 108"        "\\\$9 = 108"
  88
  89     gdb_test "print \$\$0"      "\\\$10 = 108" \
  90         "Print value-history\[MAX\] using explicit index \$\$0"
  91
  92     gdb_test "print \$1"        "\\\$11 = 101" \
  93         "Print value-history\[1\] using explicit index \$1"
  94
  95     gdb_test "print \$2"        "\\\$12 = 102" \
  96         "Print value-history\[2\] using explicit index \$2"
  97
  98     gdb_test "print \$3"        "\\\$13 = 103" \
  99         "Print value-history\[3\] using explicit index \$3"
 100
 101     gdb_test "print \$-3"       "\\\$14 = 100" \
 102         "Print (value-history\[MAX\] - 3) using implicit index \$"
 103
 104     gdb_test "print \$1 + 3"    "\\\$15 = 104" \
 105         "Use value-history element in arithmetic expression"
 106 }
 107
 108 # Start with a fresh gdb.
 109
 110 gdb_exit
 111 gdb_start
 112 gdb_reinitialize_dir $srcdir/$subdir
 113
 114 send_gdb "set print sevenbit-strings\n" ; gdb_expect -re ".*$gdb_prompt $"
 115
 116 test_value_history
 117 test_convenience_variables