1# Copyright 1998, 1999, 2001, 2007 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# Rewritten to use gdb_test by Michael Chastain (chastain@redhat.com) 21 22# This file is part of the gdb testsuite 23# 24# tests for correctness of arithmetic operators, associativity and precedence 25# with integer type variables 26# 27 28if $tracelevel then { 29 strace $tracelevel 30 } 31 32# 33# test running programs 34# 35set prms_id 0 36set bug_id 0 37 38set testfile "int-type" 39set srcfile ${testfile}.c 40set binfile ${objdir}/${subdir}/${testfile} 41 42if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } { 43 untested arithmet.exp 44 return -1 45 } 46 47gdb_exit 48gdb_start 49gdb_reinitialize_dir $srcdir/$subdir 50gdb_load ${binfile} 51 52 53# 54# set it up at a breakpoint so we can play with the variable values 55# 56 57if ![runto_main] then { 58 perror "couldn't run to breakpoint" 59 continue 60} 61 62# 63# test expressions with "int" types 64# 65 66gdb_test "set variable x=14" "" 67gdb_test "set variable y=2" "" 68gdb_test "set variable z=2" "" 69gdb_test "set variable w=3" "" 70 71gdb_test "print x" "14" 72gdb_test "print y" "2" 73gdb_test "print z" "2" 74gdb_test "print w" "3" 75 76gdb_test "print x+y" "16" 77gdb_test "print x-y" "12" 78gdb_test "print x*y" "28" 79gdb_test "print x/y" "7" 80gdb_test "print x%y" "0" 81 82# x y z w 83# 14 2 2 3 84 85# Test associativity of +, -, *, % ,/ 86 87gdb_test "print x+y+z" "18" 88gdb_test "print x-y-z" "10" 89gdb_test "print x*y*z" "56" 90gdb_test "print x/y/z" "3" 91gdb_test "print x%y%z" "0" 92 93# test precedence rules on pairs of arithmetic operators 94 95gdb_test "set variable x=10" "" 96gdb_test "set variable y=4" "" 97 98# x y z w 99# 10 4 2 3 100 101gdb_test "print x+y-z" "12" 102gdb_test "print x+y*z" "18" 103gdb_test "print x+y%w" "11" 104gdb_test "print x+y/w" "11" 105gdb_test "print x-y*z" "2" 106gdb_test "print x-y%z" "10" 107gdb_test "print x-y/z" "8" 108gdb_test "print x*y/z" "20" 109gdb_test "print x*y%w" "1" 110gdb_test "print x/y%w" "2" 111 112# test use of parentheses to enforce different order of evaluation 113 114gdb_test "print x-(y+w)" "3" 115gdb_test "print x/(y*w)" "0" 116gdb_test "print x-(y/w)" "9" 117gdb_test "print (x+y)*w" "42" 118