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TheRock/debug-tools/rocgdb/source/gdb/testsuite/gdb.base/arithmet.exp
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# Copyright 1998-2024 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 <http://www.gnu.org/licenses/>.
# This file was written by Elena Zannoni (ezannoni@cygnus.com)
# Rewritten to use gdb_test by Michael Chastain (chastain@redhat.com)
# This file is part of the gdb testsuite
#
# tests for correctness of arithmetic operators, associativity and precedence
# with integer type variables
#
#
# test running programs
#
standard_testfile int-type.c
if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug nowarnings}]} {
return -1
}
#
# set it up at a breakpoint so we can play with the variable values
#
if {![runto_main]} {
return
}
#
# test expressions with "int" types
#
gdb_test_no_output "set variable x=14"
gdb_test_no_output "set variable y=2"
gdb_test_no_output "set variable z=2"
gdb_test_no_output "set variable w=3"
gdb_test "print x" "14"
gdb_test "print y" "2"
gdb_test "print z" "2"
gdb_test "print w" "3"
gdb_test "print x+y" "16"
gdb_test "print x-y" "12"
gdb_test "print x*y" "28"
gdb_test "print x/y" "7"
gdb_test "print x%y" "0"
# x y z w
# 14 2 2 3
# Test associativity of +, -, *, % ,/
gdb_test "print x+y+z" "18"
gdb_test "print x-y-z" "10"
gdb_test "print x*y*z" "56"
gdb_test "print x/y/z" "3"
gdb_test "print x%y%z" "0"
# test precedence rules on pairs of arithmetic operators
gdb_test_no_output "set variable x=10"
gdb_test_no_output "set variable y=4"
# x y z w
# 10 4 2 3
gdb_test "print x+y-z" "12"
gdb_test "print x+y*z" "18"
gdb_test "print x+y%w" "11"
gdb_test "print x+y/w" "11"
gdb_test "print x-y*z" "2"
gdb_test "print x-y%z" "10"
gdb_test "print x-y/z" "8"
gdb_test "print x*y/z" "20"
gdb_test "print x*y%w" "1"
gdb_test "print x/y%w" "2"
# test use of parentheses to enforce different order of evaluation
gdb_test "print x-(y+w)" "3"
gdb_test "print x/(y*w)" "0"
gdb_test "print x-(y/w)" "9"
gdb_test "print (x+y)*w" "42"
gdb_test "p /x -(-0x7fffffffffffffff - 1)" " = 0x8000000000000000"