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101 lines
2.5 KiB
Plaintext
101 lines
2.5 KiB
Plaintext
# Copyright 1998-2018 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# This file was written by Elena Zannoni (ezannoni@cygnus.com)
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# Rewritten to use gdb_test by Michael Chastain (chastain@redhat.com)
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# This file is part of the gdb testsuite
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#
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# tests for correctness of arithmetic operators, associativity and precedence
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# with integer type variables
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#
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#
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# test running programs
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#
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standard_testfile int-type.c
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if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug nowarnings}]} {
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return -1
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}
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#
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# set it up at a breakpoint so we can play with the variable values
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#
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if ![runto_main] then {
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perror "couldn't run to breakpoint"
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continue
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}
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#
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# test expressions with "int" types
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#
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gdb_test_no_output "set variable x=14"
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gdb_test_no_output "set variable y=2"
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gdb_test_no_output "set variable z=2"
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gdb_test_no_output "set variable w=3"
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gdb_test "print x" "14"
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gdb_test "print y" "2"
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gdb_test "print z" "2"
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gdb_test "print w" "3"
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gdb_test "print x+y" "16"
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gdb_test "print x-y" "12"
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gdb_test "print x*y" "28"
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gdb_test "print x/y" "7"
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gdb_test "print x%y" "0"
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# x y z w
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# 14 2 2 3
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# Test associativity of +, -, *, % ,/
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gdb_test "print x+y+z" "18"
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gdb_test "print x-y-z" "10"
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gdb_test "print x*y*z" "56"
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gdb_test "print x/y/z" "3"
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gdb_test "print x%y%z" "0"
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# test precedence rules on pairs of arithmetic operators
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gdb_test_no_output "set variable x=10"
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gdb_test_no_output "set variable y=4"
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# x y z w
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# 10 4 2 3
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gdb_test "print x+y-z" "12"
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gdb_test "print x+y*z" "18"
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gdb_test "print x+y%w" "11"
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gdb_test "print x+y/w" "11"
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gdb_test "print x-y*z" "2"
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gdb_test "print x-y%z" "10"
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gdb_test "print x-y/z" "8"
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gdb_test "print x*y/z" "20"
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gdb_test "print x*y%w" "1"
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gdb_test "print x/y%w" "2"
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# test use of parentheses to enforce different order of evaluation
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gdb_test "print x-(y+w)" "3"
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gdb_test "print x/(y*w)" "0"
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gdb_test "print x-(y/w)" "9"
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gdb_test "print (x+y)*w" "42"
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