/* * Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package compiler.integerArithmetic; import jdk.test.lib.Asserts; /* * @test TestDivision * @bug 8284742 * @summary Tests to verify compiled code correctly handles integral divisions. * @library /test/lib * * @run main/othervm -Xcomp -XX:-TieredCompilation * -XX:CompileCommand=compileonly,*.TestDivision::divide * -XX:CompileCommand=compileonly,*.TestDivision::remainder * compiler.integerArithmetic.TestDivision */ public class TestDivision { public static void main(String[] args) { Asserts.assertEquals(divide(19, 7), 19 / 7); Asserts.assertEquals(remainder(19, 7), 19 % 7); Asserts.assertEquals(divide(19L, 7L), 19L / 7L); Asserts.assertEquals(remainder(19L, 7L), 19L % 7L); Asserts.assertEquals(divide(19, -7), 19 / -7); Asserts.assertEquals(remainder(19, -7), 19 % -7); Asserts.assertEquals(divide(19L, -7L), 19L / -7L); Asserts.assertEquals(remainder(19L, -7L), 19L % -7L); Asserts.assertEquals(divide(-19, 7), -19 / 7); Asserts.assertEquals(remainder(-19, 7), -19 % 7); Asserts.assertEquals(divide(-19L, 7L), -19L / 7L); Asserts.assertEquals(remainder(-19L, 7L), -19L % 7L); Asserts.assertEquals(divide(-19, -7), -19 / -7); Asserts.assertEquals(remainder(-19, -7), -19 % -7); Asserts.assertEquals(divide(-19L, -7L), -19L / -7L); Asserts.assertEquals(remainder(-19L, -7L), -19L % -7L); Asserts.assertEquals(divide(Integer.MIN_VALUE, -1), Integer.MIN_VALUE / -1); Asserts.assertEquals(remainder(Integer.MIN_VALUE, -1), Integer.MIN_VALUE % -1); Asserts.assertEquals(divide(Long.MIN_VALUE, -1), Long.MIN_VALUE / -1L); Asserts.assertEquals(remainder(Long.MIN_VALUE, -1), Long.MIN_VALUE % -1L); try { divide(19, 0); Asserts.fail(); } catch (ArithmeticException e) {} try { remainder(19, 0); Asserts.fail(); } catch (ArithmeticException e) {} try { divide(19L, 0L); Asserts.fail(); } catch (ArithmeticException e) {} try { remainder(19L, 0L); Asserts.fail(); } catch (ArithmeticException e) {} } static int divide(int x, int y) { return x / y; } static int remainder(int x, int y) { return x % y; } static long divide(long x, long y) { return x / y; } static long remainder(long x, long y) { return x % y; } }