gdb/testsuite/gdb.base/cond-expr.exp

   1 # Copyright 1998-1999, 2007-2012 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 #
  21 # test of evaluation of conditional expressions, with constants and
  22 # variables. Using the print and the whatis command
  23 # written with the only purpose in mind to cover the holes in the
  24 # eval.c file
  25 #
  26 # source file "int-type.c"
  27 #
  28
  29
  30 # Check to see if we have an executable to test.  If not, then either we
  31 # haven't tried to compile one, or the compilation failed for some reason.
  32 # In either case, just notify the user and skip the tests in this file.
  33
  34 set testfile "int-type"
  35 set srcfile ${testfile}.c
  36 set binfile ${objdir}/${subdir}/${testfile}
  37 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  38      untested cond-expr.exp
  39      return -1
  40     }
  41
  42
  43 gdb_exit
  44 gdb_start
  45 gdb_reinitialize_dir $srcdir/$subdir
  46 gdb_load ${binfile}
  47
  48
  49 if ![runto_main] then {
  50     perror "couldn't run to breakpoint"
  51     continue
  52 }
  53
  54 gdb_test "print (2 ? 3 : 4)" "\[0-9\]* = 3" \
  55     "print value of cond expr (const true)"
  56
  57 gdb_test "print (0 ? 3 : 4)" "\[0-9\]* = 4" \
  58     "print value of cond expr (const false)"
  59
  60 gdb_test_no_output "set variable x=14" "set variable x=14"
  61 gdb_test_no_output "set variable y=2" "set variable y=2"
  62 gdb_test_no_output "set variable z=3" "set variable z=3"
  63
  64 gdb_test "print (x ? y : z)" "\[0-9\]* = 2" \
  65     "print value of cond expr (var true)"
  66
  67 gdb_test_no_output "set variable x=0" "set variable x=0"
  68
  69 gdb_test "print (x ? y : z)" "\[0-9\]* = 3" \
  70     "print value of cond expr (var false)"
  71
  72 gdb_test "whatis (0 ? 3 : 4)" "type = int" \
  73     "print whatis of cond expr"
  74
  75
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