diff -r bc43733cd5cf -r 015949faea55 test/jdk/java/math/BigInteger/DivisionOverflow.java --- a/test/jdk/java/math/BigInteger/DivisionOverflow.java Wed Oct 23 13:53:41 2019 -0400 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,55 +0,0 @@ -/* - * Copyright (c) 2011, 2013, 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. - */ - -/* - * @test - * @bug 8022780 - * @summary Test division of large values - * @run main/othervm -Xshare:off DivisionOverflow - * @author Dmitry Nadezhin - */ -import java.math.BigInteger; - -public class DivisionOverflow { - - public static void main(String[] args) { - try { - BigInteger a = BigInteger.ONE.shiftLeft(2147483646); - BigInteger b = BigInteger.ONE.shiftLeft(1568); - BigInteger[] qr = a.divideAndRemainder(b); - BigInteger q = qr[0]; - BigInteger r = qr[1]; - if (!r.equals(BigInteger.ZERO)) { - throw new RuntimeException("Incorrect signum() of remainder " + r.signum()); - } - if (q.bitLength() != 2147482079) { - throw new RuntimeException("Incorrect bitLength() of quotient " + q.bitLength()); - } - System.out.println("Division of large values passed without overflow."); - } catch (OutOfMemoryError e) { - // possible - System.err.println("DivisionOverflow skipped: OutOfMemoryError"); - System.err.println("Run jtreg with -javaoption:-Xmx8g"); - } - } -}