gdb/testsuite/gdb.base/logical.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2
   3 # Copyright 1998, 1999, 2004, 2007, 2008, 2009, 2010
   4 # Free Software Foundation, Inc.
   5
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 # This file was written by Elena Zannoni (ezannoni@cygnus.com)
  20
  21 # Tests for correctenss of logical operators, associativity and
  22 # precedence with integer type variables
  23
  24
  25 if $tracelevel then {
  26     strace $tracelevel
  27 }
  28
  29 #
  30 # test running programs
  31 #
  32
  33 set testfile "int-type"
  34 set srcfile ${testfile}.c
  35 set binfile ${objdir}/${subdir}/${testfile}
  36
  37 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  38     untested logical.exp
  39     return -1
  40 }
  41
  42 if [get_compiler_info ${binfile}] {
  43     return -1;
  44 }
  45
  46 gdb_exit
  47 gdb_start
  48 gdb_reinitialize_dir $srcdir/$subdir
  49 gdb_load ${binfile}
  50
  51
  52 #
  53 # set it up at a breakpoint so we can play with the variable values
  54 #
  55
  56 if ![runto_main] then {
  57     perror "couldn't run to breakpoint"
  58     continue
  59 }
  60
  61 proc evaluate { vars ops } {
  62     for {set vari 0} {$vari < [llength $vars]} {incr vari} {
  63         set var [lindex $vars $vari]
  64         for {set opi 0} {$opi < [llength $ops]} {incr opi} {
  65             set op [lindex [lindex $ops $opi] 0]
  66             set val [lindex [lindex $ops $opi] [expr $vari + 1]]
  67             gdb_test "print $var, $op" " = $val" "evaluate $op; variables $var; expecting $val"
  68         }
  69     }
  70 }
  71
  72 # Unary
  73
  74 evaluate {
  75     {x = 0} {x = 1}
  76 } {
  77     { {x}   0 1 }
  78     { {!x}  1 0 }
  79     { {!!x} 0 1 }
  80 }
  81
  82 # Binary (with unary)
  83
  84 evaluate {
  85     {x = 0, y = 0} {x = 0, y = 1} {x = 1, y = 0} {x = 1, y = 1}
  86 } {
  87     { {x && y}   0 0 0 1 }
  88     { {!x && y}  0 1 0 0 }
  89     { {x && !y}  0 0 1 0 }
  90     { {!x && !y} 1 0 0 0 }
  91
  92     { {x || y}   0 1 1 1 }
  93     { {!x || y}  1 1 0 1 }
  94     { {x || !y}  1 0 1 1 }
  95     { {!x || !y} 1 1 1 0 }
  96
  97     { {x < y}    0 1 0 0 }
  98     { {x <= y}   1 1 0 1 }
  99     { {x == y}   1 0 0 1 }
 100     { {x != y}   0 1 1 0 }
 101     { {x >= y}   1 0 1 1 }
 102     { {x > y}    0 0 1 0 }
 103 }
 104
 105 # Full table of &&, || combinations, followed by random mix of unary ops
 106
 107 evaluate {
 108     {x = 0, y = 0, z = 0} {x = 0, y = 0, z = 1} {x = 0, y = 1, z = 0} {x = 0, y = 1, z = 1}
 109     {x = 1, y = 0, z = 0} {x = 1, y = 0, z = 1} {x = 1, y = 1, z = 0} {x = 1, y = 1, z = 1}
 110 } {
 111     { {x && y && z}    0 0 0 0  0 0 0 1 }
 112     { {x || y && z}    0 0 0 1  1 1 1 1 }
 113     { {x && y || z}    0 1 0 1  0 1 1 1 }
 114     { {x || y || z}    0 1 1 1  1 1 1 1 }
 115
 116     { {x || !y && z}   0 1 0 0  1 1 1 1 }
 117     { {!x || y && z}   1 1 1 1  0 0 0 1 }
 118     { {!x || y && !z}  1 1 1 1  0 0 1 0 }
 119 }
 120
 121 # More complex operations
 122
 123 evaluate {
 124     {x = 1, y = 2, w = 3, z = 3}
 125     {x = 1, y = 2, w = 1, z = 3}
 126     {x = 2, y = 2, w = 2, z = 3}
 127 } {
 128     { {x > y || w == z}   1 0 0 }
 129     { {x >= y && w != z}  0 0 1 }
 130     { {! x > y || w + z}  1 1 1 }
 131 }