gdb/testsuite/gdb.base/cond-expr.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 #
  22 # test of evaluation of conditional expressions, with constants and
  23 # variables. Using the print and the whatis command
  24 # written with the only purpose in mind to cover the holes in the
  25 # eval.c file
  26 #
  27 # source file "int-type.c"
  28 #
  29
  30
  31 if $tracelevel then {
  32         strace $tracelevel
  33 }
  34
  35 # Check to see if we have an executable to test.  If not, then either we
  36 # haven't tried to compile one, or the compilation failed for some reason.
  37 # In either case, just notify the user and skip the tests in this file.
  38
  39 set testfile "int-type"
  40 set srcfile ${testfile}.c
  41 set binfile ${objdir}/${subdir}/${testfile}
  42 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  43      untested cond-expr.exp
  44      return -1
  45     }
  46
  47
  48 gdb_exit
  49 gdb_start
  50 gdb_reinitialize_dir $srcdir/$subdir
  51 gdb_load ${binfile}
  52
  53
  54 if ![runto_main] then {
  55     perror "couldn't run to breakpoint"
  56     continue
  57 }
  58
  59 gdb_test "print (2 ? 3 : 4)" "\[0-9\]* = 3" \
  60     "print value of cond expr (const true)"
  61
  62 gdb_test "print (0 ? 3 : 4)" "\[0-9\]* = 4" \
  63     "print value of cond expr (const false)"
  64
  65 gdb_test_no_output "set variable x=14" "set variable x=14"
  66 gdb_test_no_output "set variable y=2" "set variable y=2"
  67 gdb_test_no_output "set variable z=3" "set variable z=3"
  68
  69 gdb_test "print (x ? y : z)" "\[0-9\]* = 2" \
  70     "print value of cond expr (var true)"
  71
  72 gdb_test_no_output "set variable x=0" "set variable x=0"
  73
  74 gdb_test "print (x ? y : z)" "\[0-9\]* = 3" \
  75     "print value of cond expr (var false)"
  76
  77 gdb_test "whatis (0 ? 3 : 4)" "type = int" \
  78     "print whatis of cond expr"
  79
  80
  81
  82
  83
  84
  85
  86
  87
  88
  89