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

   1 # Copyright 1998, 1999, 2007, 2008 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 set testfile "int-type"
  39 set srcfile ${testfile}.c
  40 set binfile ${objdir}/${subdir}/${testfile}
  41 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  42      untested whatis-exp.exp
  43      return -1
  44     }
  45
  46
  47 gdb_exit
  48 gdb_start
  49 gdb_reinitialize_dir $srcdir/$subdir
  50 gdb_load ${binfile}
  51
  52
  53 #
  54 # set it up at a breakpoint so we can play with the variable values
  55 #
  56
  57 if ![runto_main] then {
  58     perror "couldn't run to breakpoint"
  59     continue
  60 }
  61
  62 #
  63 # test expressions with "int" types
  64 #
  65
  66 gdb_test "set variable x=14" "" "set variable x=14"
  67 gdb_test "set variable y=2" "" "set variable y=2"
  68 gdb_test "set variable z=2" "" "set variable z=2"
  69 gdb_test "set variable w=3" "" "set variable w=3"
  70
  71 send_gdb "print x\n"
  72 gdb_expect {
  73     -re ".*14.*$gdb_prompt $" {
  74         pass "print value of x"
  75       }
  76     -re ".*$gdb_prompt $" { fail "print value of x" }
  77     timeout           { fail "(timeout) print value of x" }
  78   }
  79
  80
  81 send_gdb "print y\n"
  82 gdb_expect {
  83     -re ".*2.*$gdb_prompt $" {
  84         pass "print value of y"
  85       }
  86     -re ".*$gdb_prompt $" { fail "print value of y" }
  87     timeout           { fail "(timeout) print value of y" }
  88   }
  89
  90 send_gdb "print z\n"
  91 gdb_expect {
  92     -re ".*2.*$gdb_prompt $" {
  93         pass "print value of z"
  94       }
  95     -re ".*$gdb_prompt $" { fail "print value of z" }
  96     timeout           { fail "(timeout) print value of z" }
  97   }
  98
  99 send_gdb "print w\n"
 100 gdb_expect {
 101     -re ".*3.*$gdb_prompt $" {
 102         pass "print value of w"
 103       }
 104     -re ".*$gdb_prompt $" { fail "print value of w" }
 105     timeout           { fail "(timeout) print value of w" }
 106   }
 107
 108
 109
 110 send_gdb "whatis x+y\n"
 111 gdb_expect {
 112     -re ".*type = int.*$gdb_prompt $" {
 113         pass "whatis value of x+y"
 114       }
 115     -re ".*$gdb_prompt $" { fail "whatis value of x+y" }
 116     timeout           { fail "(timeout) whatis value of x+y" }
 117   }
 118
 119 send_gdb "whatis x-y\n"
 120 gdb_expect {
 121     -re ".*type = int.*$gdb_prompt $" {
 122         pass "whatis value of x-y"
 123       }
 124     -re ".*$gdb_prompt $" { fail "whatis value of x-y" }
 125     timeout           { fail "(timeout) whatis value of x-y" }
 126   }
 127
 128 send_gdb "whatis x*y\n"
 129 gdb_expect {
 130     -re ".*type = int.*$gdb_prompt $" {
 131         pass "whatis value of x*y"
 132       }
 133     -re ".*$gdb_prompt $" { fail "whatis value of x*y" }
 134     timeout           { fail "(timeout) whatis value of x*y" }
 135   }
 136
 137 send_gdb "whatis x/y\n"
 138 gdb_expect {
 139     -re ".*type = int.*$gdb_prompt $" {
 140         pass "whatis value of x/y"
 141       }
 142     -re ".*$gdb_prompt $" { fail "whatis value of x/y" }
 143     timeout           { fail "(timeout) whatis value of x/y" }
 144   }
 145
 146 send_gdb "whatis x%y\n"
 147 gdb_expect {
 148     -re ".*type = int.*$gdb_prompt $" {
 149         pass "whatis value of x%y"
 150       }
 151     -re ".*$gdb_prompt $" { fail "whatis value of x%y" }
 152     timeout           { fail "(timeout) whatis value of x%y" }
 153   }
 154
 155
 156
 157 send_gdb "whatis x=y\n"
 158 gdb_expect {
 159     -re ".*type = int.*$gdb_prompt $" {
 160         pass "whatis value of x=y"
 161       }
 162     -re ".*$gdb_prompt $" { fail "whatis value of x=y" }
 163     timeout           { fail "(timeout) whatis value of x=y" }
 164   }
 165
 166
 167 send_gdb "whatis x+=2\n"
 168 gdb_expect {
 169     -re ".*type = int.*$gdb_prompt $" {
 170         pass "whatis value of x+=2"
 171       }
 172     -re ".*$gdb_prompt $" { fail "whatis value of x+=2" }
 173     timeout           { fail "(timeout) whatis value of x+=2" }
 174   }
 175
 176
 177 send_gdb "whatis ++x\n"
 178 gdb_expect {
 179     -re ".*type = int.*$gdb_prompt $" {
 180         pass "whatis value of ++x"
 181       }
 182     -re ".*$gdb_prompt $" { fail "whatis value of ++x" }
 183     timeout           { fail "(timeout) whatis value of ++x" }
 184   }
 185
 186 send_gdb "whatis --x\n"
 187 gdb_expect {
 188     -re ".*type = int.*$gdb_prompt $" {
 189         pass "whatis value of --x"
 190       }
 191     -re ".*$gdb_prompt $" { fail "whatis value of --x" }
 192     timeout           { fail "(timeout) whatis value of --x" }
 193   }
 194
 195 send_gdb "whatis x++\n"
 196 gdb_expect {
 197     -re ".*type = int.*$gdb_prompt $" {
 198         pass "whatis value of x++"
 199       }
 200     -re ".*$gdb_prompt $" { fail "whatis value of x++" }
 201     timeout           { fail "(timeout) whatis value of x++" }
 202   }
 203
 204 send_gdb "whatis x--\n"
 205 gdb_expect {
 206     -re ".*type = int.*$gdb_prompt $" {
 207         pass "whatis value of x--"
 208       }
 209     -re ".*$gdb_prompt $" { fail "whatis value of x--" }
 210     timeout           { fail "(timeout) whatis value of x--" }
 211   }
 212
 213 gdb_exit
 214 return 0