gdb/testsuite/gdb.base/gdbvars.exp

   1 # Copyright (C) 1992-2013 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 Fred Fish. (fnf@cygnus.com)
  17
  18
  19 standard_testfile
  20
  21 if {[prepare_for_testing $testfile.exp $testfile $srcfile debug]} {
  22     untested $testfile.exp
  23     return -1
  24 }
  25
  26 proc test_convenience_variables {} {
  27     global gdb_prompt
  28
  29     gdb_test_no_output "set \$foo = 101" \
  30         "Set a new convenience variable"
  31
  32     gdb_test "print \$foo"              " = 101" \
  33         "Print contents of new convenience variable"
  34
  35     gdb_test_no_output "set \$foo = 301" \
  36         "Set convenience variable to a new value"
  37
  38     gdb_test "print \$foo"              " = 301" \
  39         "Print new contents of convenience variable"
  40
  41     gdb_test_no_output "set \$_ = 11" \
  42         "Set convenience variable \$_"
  43
  44     gdb_test "print \$_"                " = 11" \
  45         "Print contents of convenience variable \$_"
  46
  47     gdb_test "print \$foo + 10" " = 311" \
  48         "Use convenience variable in arithmetic expression"
  49
  50     gdb_test "print (\$foo = 32) + 4"   " = 36" \
  51         "Use convenience variable assignment in arithmetic expression"
  52
  53     gdb_test "print \$bar"              " = void" \
  54         "Print contents of uninitialized convenience variable"
  55 }
  56
  57 proc test_value_history {} {
  58     global gdb_prompt
  59
  60     gdb_test "print 101"        "\\\$1 = 101" \
  61         "Set value-history\[1\] using \$1"
  62
  63     gdb_test "print 102"        "\\\$2 = 102" \
  64         "Set value-history\[2\] using \$2"
  65
  66     gdb_test "print 103"        "\\\$3 = 103" \
  67         "Set value-history\[3\] using \$3"
  68
  69     gdb_test "print \$\$"       "\\\$4 = 102" \
  70         "Print value-history\[MAX-1\] using inplicit index \$\$"
  71
  72     gdb_test "print \$\$"       "\\\$5 = 103" \
  73         "Print value-history\[MAX-1\] again using implicit index \$\$"
  74
  75     gdb_test "print \$" "\\\$6 = 103" \
  76         "Print value-history\[MAX\] using implicit index \$"
  77
  78     gdb_test "print \$\$2"      "\\\$7 = 102" \
  79         "Print value-history\[MAX-2\] using explicit index \$\$2"
  80
  81     gdb_test "print \$0"        "\\\$8 = 102" \
  82         "Print value-history\[MAX\] using explicit index \$0"
  83
  84     gdb_test "print 108"        "\\\$9 = 108"
  85
  86     gdb_test "print \$\$0"      "\\\$10 = 108" \
  87         "Print value-history\[MAX\] using explicit index \$\$0"
  88
  89     gdb_test "print \$1"        "\\\$11 = 101" \
  90         "Print value-history\[1\] using explicit index \$1"
  91
  92     gdb_test "print \$2"        "\\\$12 = 102" \
  93         "Print value-history\[2\] using explicit index \$2"
  94
  95     gdb_test "print \$3"        "\\\$13 = 103" \
  96         "Print value-history\[3\] using explicit index \$3"
  97
  98     gdb_test "print \$-3"       "\\\$14 = 100" \
  99         "Print (value-history\[MAX\] - 3) using implicit index \$"
 100
 101     gdb_test "print \$1 + 3"    "\\\$15 = 104" \
 102         "Use value-history element in arithmetic expression"
 103 }
 104
 105 proc test_with_program {} {
 106     global hex
 107     gdb_test_no_output "set \$prog_var = p" \
 108         "Set a new convenience variable to a program variable"
 109     gdb_test "print /x \$prog_var" " = $hex" \
 110         "Print contents of new convenience variable of program variable"
 111 }
 112
 113 gdb_test_no_output "set print sevenbit-strings"
 114
 115 test_value_history
 116 test_convenience_variables
 117 test_with_program