gdb/testsuite/gdb.base/whatis-exp.exp

   1 # Copyright 1998, 1999, 2007, 2008, 2009, 2010, 2011
   2 # Free Software Foundation, Inc.
   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 3 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, see <http://www.gnu.org/licenses/>.
  16
  17 # This file was written by Elena Zannoni (ezannoni@cygnus.com)
  18
  19 # This file is part of the gdb testsuite
  20 #
  21 # tests for whatis command on expressions.
  22 # used in file eval.c. This flavor of whatis
  23 # command performs evaluation of expressions w/o actually
  24 # computing the value, but just the type
  25 # of the result. It goes through the evaluate_subexp_standard
  26 # with the EVAL_AVOID_SIDE_EFFECTS flag rather than EVAL_NORMAL
  27 #
  28
  29 if $tracelevel then {
  30         strace $tracelevel
  31         }
  32
  33 #
  34 # test running programs
  35 #
  36
  37 if { [prepare_for_testing whatis-exp.exp whatis-exp int-type.c {debug nowarnings}] } {
  38     return -1
  39 }
  40
  41 #
  42 # set it up at a breakpoint so we can play with the variable values
  43 #
  44
  45 if ![runto_main] then {
  46     perror "couldn't run to breakpoint"
  47     continue
  48 }
  49
  50 #
  51 # test expressions with "int" types
  52 #
  53
  54 gdb_test_no_output "set variable x=14" "set variable x=14"
  55 gdb_test_no_output "set variable y=2" "set variable y=2"
  56 gdb_test_no_output "set variable z=2" "set variable z=2"
  57 gdb_test_no_output "set variable w=3" "set variable w=3"
  58
  59 gdb_test "print x" " = 14" "print value of x"
  60 gdb_test "print y" " = 2" "print value of y"
  61 gdb_test "print z" " = 2" "print value of z"
  62 gdb_test "print w" " = 3" "print value of w"
  63
  64 gdb_test "whatis x+y" "type = int" "whatis value of x+y"
  65 gdb_test "whatis x-y" "type = int" "whatis value of x-y"
  66 gdb_test "whatis x*y" "type = int" "whatis value of x*y"
  67 gdb_test "whatis x/y" "type = int" "whatis value of x/y"
  68 gdb_test "whatis x%y" "type = int" "whatis value of x%y"
  69 gdb_test "whatis x=y" "type = int" "whatis value of x=y"
  70
  71 gdb_test "whatis x+=2" "type = int" "whatis value of x+=2"
  72 gdb_test "whatis ++x" "type = int" "whatis value of  ++x"
  73 gdb_test "whatis --x" "type = int" "whatis value of  --x"
  74 gdb_test "whatis x++" "type = int" "whatis value of  x++"
  75 gdb_test "whatis x--" "type = int" "whatis value of  x--"
  76
  77 gdb_exit
  78 return 0