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

   1 # Copyright 1998, 1999, 2007, 2008, 2009 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 Elena Zannoni (ezannoni@cygnus.com)
  17
  18 # This file is part of the gdb testsuite
  19 #
  20 # tests for whatis command on expressions.
  21 # used in file eval.c. This flavor of whatis
  22 # command performs evaluation of expressions w/o actually
  23 # computing the value, but just the type
  24 # of the result. It goes through the evaluate_subexp_standard
  25 # with the EVAL_AVOID_SIDE_EFFECTS flag rather than EVAL_NORMAL
  26 #
  27
  28 if $tracelevel then {
  29         strace $tracelevel
  30         }
  31
  32 #
  33 # test running programs
  34 #
  35 set prms_id 0
  36 set bug_id 0
  37
  38 if { [prepare_for_testing whatis-exp.exp whatis-exp int-type.c {debug nowarnings}] } {
  39     return -1
  40 }
  41
  42 #
  43 # set it up at a breakpoint so we can play with the variable values
  44 #
  45
  46 if ![runto_main] then {
  47     perror "couldn't run to breakpoint"
  48     continue
  49 }
  50
  51 #
  52 # test expressions with "int" types
  53 #
  54
  55 gdb_test "set variable x=14" "" "set variable x=14"
  56 gdb_test "set variable y=2" "" "set variable y=2"
  57 gdb_test "set variable z=2" "" "set variable z=2"
  58 gdb_test "set variable w=3" "" "set variable w=3"
  59
  60 send_gdb "print x\n"
  61 gdb_expect {
  62     -re ".*14.*$gdb_prompt $" {
  63         pass "print value of x"
  64       }
  65     -re ".*$gdb_prompt $" { fail "print value of x" }
  66     timeout           { fail "(timeout) print value of x" }
  67   }
  68
  69
  70 send_gdb "print y\n"
  71 gdb_expect {
  72     -re ".*2.*$gdb_prompt $" {
  73         pass "print value of y"
  74       }
  75     -re ".*$gdb_prompt $" { fail "print value of y" }
  76     timeout           { fail "(timeout) print value of y" }
  77   }
  78
  79 send_gdb "print z\n"
  80 gdb_expect {
  81     -re ".*2.*$gdb_prompt $" {
  82         pass "print value of z"
  83       }
  84     -re ".*$gdb_prompt $" { fail "print value of z" }
  85     timeout           { fail "(timeout) print value of z" }
  86   }
  87
  88 send_gdb "print w\n"
  89 gdb_expect {
  90     -re ".*3.*$gdb_prompt $" {
  91         pass "print value of w"
  92       }
  93     -re ".*$gdb_prompt $" { fail "print value of w" }
  94     timeout           { fail "(timeout) print value of w" }
  95   }
  96
  97
  98
  99 send_gdb "whatis x+y\n"
 100 gdb_expect {
 101     -re ".*type = int.*$gdb_prompt $" {
 102         pass "whatis value of x+y"
 103       }
 104     -re ".*$gdb_prompt $" { fail "whatis value of x+y" }
 105     timeout           { fail "(timeout) whatis value of x+y" }
 106   }
 107
 108 send_gdb "whatis x-y\n"
 109 gdb_expect {
 110     -re ".*type = int.*$gdb_prompt $" {
 111         pass "whatis value of x-y"
 112       }
 113     -re ".*$gdb_prompt $" { fail "whatis value of x-y" }
 114     timeout           { fail "(timeout) whatis value of x-y" }
 115   }
 116
 117 send_gdb "whatis x*y\n"
 118 gdb_expect {
 119     -re ".*type = int.*$gdb_prompt $" {
 120         pass "whatis value of x*y"
 121       }
 122     -re ".*$gdb_prompt $" { fail "whatis value of x*y" }
 123     timeout           { fail "(timeout) whatis value of x*y" }
 124   }
 125
 126 send_gdb "whatis x/y\n"
 127 gdb_expect {
 128     -re ".*type = int.*$gdb_prompt $" {
 129         pass "whatis value of x/y"
 130       }
 131     -re ".*$gdb_prompt $" { fail "whatis value of x/y" }
 132     timeout           { fail "(timeout) whatis value of x/y" }
 133   }
 134
 135 send_gdb "whatis x%y\n"
 136 gdb_expect {
 137     -re ".*type = int.*$gdb_prompt $" {
 138         pass "whatis value of x%y"
 139       }
 140     -re ".*$gdb_prompt $" { fail "whatis value of x%y" }
 141     timeout           { fail "(timeout) whatis value of x%y" }
 142   }
 143
 144
 145
 146 send_gdb "whatis x=y\n"
 147 gdb_expect {
 148     -re ".*type = int.*$gdb_prompt $" {
 149         pass "whatis value of x=y"
 150       }
 151     -re ".*$gdb_prompt $" { fail "whatis value of x=y" }
 152     timeout           { fail "(timeout) whatis value of x=y" }
 153   }
 154
 155
 156 send_gdb "whatis x+=2\n"
 157 gdb_expect {
 158     -re ".*type = int.*$gdb_prompt $" {
 159         pass "whatis value of x+=2"
 160       }
 161     -re ".*$gdb_prompt $" { fail "whatis value of x+=2" }
 162     timeout           { fail "(timeout) whatis value of x+=2" }
 163   }
 164
 165
 166 send_gdb "whatis ++x\n"
 167 gdb_expect {
 168     -re ".*type = int.*$gdb_prompt $" {
 169         pass "whatis value of ++x"
 170       }
 171     -re ".*$gdb_prompt $" { fail "whatis value of ++x" }
 172     timeout           { fail "(timeout) whatis value of ++x" }
 173   }
 174
 175 send_gdb "whatis --x\n"
 176 gdb_expect {
 177     -re ".*type = int.*$gdb_prompt $" {
 178         pass "whatis value of --x"
 179       }
 180     -re ".*$gdb_prompt $" { fail "whatis value of --x" }
 181     timeout           { fail "(timeout) whatis value of --x" }
 182   }
 183
 184 send_gdb "whatis x++\n"
 185 gdb_expect {
 186     -re ".*type = int.*$gdb_prompt $" {
 187         pass "whatis value of x++"
 188       }
 189     -re ".*$gdb_prompt $" { fail "whatis value of x++" }
 190     timeout           { fail "(timeout) whatis value of x++" }
 191   }
 192
 193 send_gdb "whatis x--\n"
 194 gdb_expect {
 195     -re ".*type = int.*$gdb_prompt $" {
 196         pass "whatis value of x--"
 197       }
 198     -re ".*$gdb_prompt $" { fail "whatis value of x--" }
 199     timeout           { fail "(timeout) whatis value of x--" }
 200   }
 201
 202 gdb_exit
 203 return 0