gdb/testsuite/gdb.base/cond-expr.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 # Please email any bugs, comments, and/or additions to this file to:
  17 # bug-gdb@prep.ai.mit.edu
  18
  19 # This file was written by Elena Zannoni (ezannoni@cygnus.com)
  20
  21 # This file is part of the gdb testsuite
  22
  23 #
  24 # test of evaluation of conditional expressions, with constants and
  25 # variables. Using the print and the whatis command
  26 # written with the only purpose in mind to cover the holes in the
  27 # eval.c file
  28 #
  29 # source file "int-type.c"
  30 #
  31
  32
  33 if $tracelevel then {
  34         strace $tracelevel
  35 }
  36
  37 # Check to see if we have an executable to test.  If not, then either we
  38 # haven't tried to compile one, or the compilation failed for some reason.
  39 # In either case, just notify the user and skip the tests in this file.
  40
  41 set testfile "int-type"
  42 set srcfile ${testfile}.c
  43 set binfile ${objdir}/${subdir}/${testfile}
  44 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  45      untested cond-expr.exp
  46      return -1
  47     }
  48
  49
  50 gdb_exit
  51 gdb_start
  52 gdb_reinitialize_dir $srcdir/$subdir
  53 gdb_load ${binfile}
  54
  55
  56 if ![runto_main] then {
  57     perror "couldn't run to breakpoint"
  58     continue
  59 }
  60
  61 send_gdb "print (2 ? 3 : 4)\n"
  62 gdb_expect {
  63     -re ".\[0-9\]* = 3.*$gdb_prompt $" {
  64         pass "print value of cond expr (const true)"
  65       }
  66     -re ".*$gdb_prompt $" { fail "print value of cond expr (const true)" }
  67     timeout           { fail "(timeout) print value of cond expr (const true)" }
  68   }
  69
  70 send_gdb "print (0 ? 3 : 4)\n"
  71 gdb_expect {
  72     -re ".\[0-9\]* = 4.*$gdb_prompt $" {
  73         pass "print value of cond expr (const false)"
  74       }
  75     -re ".*$gdb_prompt $" { fail "print value of cond expr (const false)" }
  76     timeout           { fail "(timeout) print value of cond expr (const false)" }
  77   }
  78
  79 gdb_test "set variable x=14" "" "set variable x=14"
  80 gdb_test "set variable y=2" "" "set variable y=2"
  81 gdb_test "set variable z=3" "" "set variable z=3"
  82
  83 send_gdb "print (x ? y : z)\n"
  84 gdb_expect {
  85     -re ".\[0-9\]* = 2.*$gdb_prompt $" {
  86         pass "print value of cond expr (var true)"
  87       }
  88     -re ".*$gdb_prompt $" { fail "print value of cond expr (var true)" }
  89     timeout           { fail "(timeout) print value of cond expr (var true)" }
  90   }
  91
  92 gdb_test "set variable x=0" "" "set variable x=0"
  93
  94 send_gdb "print (x ? y : z)\n"
  95 gdb_expect {
  96     -re ".\[0-9\]* = 3.*$gdb_prompt $" {
  97         pass "print value of cond expr (var false)"
  98       }
  99     -re ".*$gdb_prompt $" { fail "print value of cond expr (var false)" }
 100     timeout           { fail "(timeout) print value of cond expr (var false)" }
 101   }
 102
 103
 104 send_gdb "whatis (0 ? 3 : 4)\n"
 105 gdb_expect {
 106     -re "type = int.*$gdb_prompt $" {
 107         pass "print whatis of cond expr"
 108       }
 109     -re ".*$gdb_prompt $" { fail "print whatis of cond expr" }
 110     timeout           { fail "(timeout) print whatis of cond expr" }
 111   }
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