gdb/testsuite/gdb.base/logical.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2
   3 # Copyright 1998-2021 Free Software Foundation, Inc.
   4
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 # This file was written by Elena Zannoni (ezannoni@cygnus.com)
  19
  20 # Tests for correctenss of logical operators, associativity and
  21 # precedence with integer type variables
  22
  23
  24 #
  25 # test running programs
  26 #
  27
  28 standard_testfile int-type.c
  29
  30 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  31     untested "failed to compile"
  32     return -1
  33 }
  34
  35 if [get_compiler_info] {
  36     return -1
  37 }
  38
  39 clean_restart ${binfile}
  40
  41
  42 #
  43 # set it up at a breakpoint so we can play with the variable values
  44 #
  45
  46 if ![runto_main] then {
  47     perror "couldn't run to breakpoint"
  48     continue
  49 }
  50
  51 proc evaluate { vars ops } {
  52     for {set vari 0} {$vari < [llength $vars]} {incr vari} {
  53         set var [lindex $vars $vari]
  54         for {set opi 0} {$opi < [llength $ops]} {incr opi} {
  55             set op [lindex [lindex $ops $opi] 0]
  56             set val [lindex [lindex $ops $opi] [expr $vari + 1]]
  57             gdb_test "print $var, $op" " = $val" "evaluate $op; variables $var; expecting $val"
  58         }
  59     }
  60 }
  61
  62 # Unary
  63
  64 evaluate {
  65     {x = 0} {x = 1}
  66 } {
  67     { {x}   0 1 }
  68     { {!x}  1 0 }
  69     { {!!x} 0 1 }
  70 }
  71
  72 # Binary (with unary)
  73
  74 evaluate {
  75     {x = 0, y = 0} {x = 0, y = 1} {x = 1, y = 0} {x = 1, y = 1}
  76 } {
  77     { {x && y}   0 0 0 1 }
  78     { {!x && y}  0 1 0 0 }
  79     { {x && !y}  0 0 1 0 }
  80     { {!x && !y} 1 0 0 0 }
  81
  82     { {x || y}   0 1 1 1 }
  83     { {!x || y}  1 1 0 1 }
  84     { {x || !y}  1 0 1 1 }
  85     { {!x || !y} 1 1 1 0 }
  86
  87     { {x < y}    0 1 0 0 }
  88     { {x <= y}   1 1 0 1 }
  89     { {x == y}   1 0 0 1 }
  90     { {x != y}   0 1 1 0 }
  91     { {x >= y}   1 0 1 1 }
  92     { {x > y}    0 0 1 0 }
  93 }
  94
  95 # Full table of &&, || combinations, followed by random mix of unary ops
  96
  97 evaluate {
  98     {x = 0, y = 0, z = 0} {x = 0, y = 0, z = 1} {x = 0, y = 1, z = 0} {x = 0, y = 1, z = 1}
  99     {x = 1, y = 0, z = 0} {x = 1, y = 0, z = 1} {x = 1, y = 1, z = 0} {x = 1, y = 1, z = 1}
 100 } {
 101     { {x && y && z}    0 0 0 0  0 0 0 1 }
 102     { {x || y && z}    0 0 0 1  1 1 1 1 }
 103     { {x && y || z}    0 1 0 1  0 1 1 1 }
 104     { {x || y || z}    0 1 1 1  1 1 1 1 }
 105
 106     { {x || !y && z}   0 1 0 0  1 1 1 1 }
 107     { {!x || y && z}   1 1 1 1  0 0 0 1 }
 108     { {!x || y && !z}  1 1 1 1  0 0 1 0 }
 109 }
 110
 111 # More complex operations
 112
 113 evaluate {
 114     {x = 1, y = 2, w = 3, z = 3}
 115     {x = 1, y = 2, w = 1, z = 3}
 116     {x = 2, y = 2, w = 2, z = 3}
 117 } {
 118     { {x > y || w == z}   1 0 0 }
 119     { {x >= y && w != z}  0 0 1 }
 120     { {! x > y || w + z}  1 1 1 }
 121 }