# This testcase is part of GDB, the GNU debugger. # Copyright 1998, 1999, 2004, 2007, 2008, 2009, 2010 # Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # This file was written by Elena Zannoni (ezannoni@cygnus.com) # Tests for correctenss of logical operators, associativity and # precedence with integer type variables if $tracelevel then { strace $tracelevel } # # test running programs # set testfile "int-type" set srcfile ${testfile}.c set binfile ${objdir}/${subdir}/${testfile} if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } { untested logical.exp return -1 } if [get_compiler_info ${binfile}] { return -1; } gdb_exit gdb_start gdb_reinitialize_dir $srcdir/$subdir gdb_load ${binfile} # # set it up at a breakpoint so we can play with the variable values # if ![runto_main] then { perror "couldn't run to breakpoint" continue } proc evaluate { vars ops } { for {set vari 0} {$vari < [llength $vars]} {incr vari} { set var [lindex $vars $vari] for {set opi 0} {$opi < [llength $ops]} {incr opi} { set op [lindex [lindex $ops $opi] 0] set val [lindex [lindex $ops $opi] [expr $vari + 1]] gdb_test "print $var, $op" " = $val" "evaluate $op; variables $var; expecting $val" } } } # Unary evaluate { {x = 0} {x = 1} } { { {x} 0 1 } { {!x} 1 0 } { {!!x} 0 1 } } # Binary (with unary) evaluate { {x = 0, y = 0} {x = 0, y = 1} {x = 1, y = 0} {x = 1, y = 1} } { { {x && y} 0 0 0 1 } { {!x && y} 0 1 0 0 } { {x && !y} 0 0 1 0 } { {!x && !y} 1 0 0 0 } { {x || y} 0 1 1 1 } { {!x || y} 1 1 0 1 } { {x || !y} 1 0 1 1 } { {!x || !y} 1 1 1 0 } { {x < y} 0 1 0 0 } { {x <= y} 1 1 0 1 } { {x == y} 1 0 0 1 } { {x != y} 0 1 1 0 } { {x >= y} 1 0 1 1 } { {x > y} 0 0 1 0 } } # Full table of &&, || combinations, followed by random mix of unary ops evaluate { {x = 0, y = 0, z = 0} {x = 0, y = 0, z = 1} {x = 0, y = 1, z = 0} {x = 0, y = 1, z = 1} {x = 1, y = 0, z = 0} {x = 1, y = 0, z = 1} {x = 1, y = 1, z = 0} {x = 1, y = 1, z = 1} } { { {x && y && z} 0 0 0 0 0 0 0 1 } { {x || y && z} 0 0 0 1 1 1 1 1 } { {x && y || z} 0 1 0 1 0 1 1 1 } { {x || y || z} 0 1 1 1 1 1 1 1 } { {x || !y && z} 0 1 0 0 1 1 1 1 } { {!x || y && z} 1 1 1 1 0 0 0 1 } { {!x || y && !z} 1 1 1 1 0 0 1 0 } } # More complex operations evaluate { {x = 1, y = 2, w = 3, z = 3} {x = 1, y = 2, w = 1, z = 3} {x = 2, y = 2, w = 2, z = 3} } { { {x > y || w == z} 1 0 0 } { {x >= y && w != z} 0 0 1 } { {! x > y || w + z} 1 1 1 } }