/* * Copyright (c) 2011, 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 6992759 * @summary Bad code generated for integer <= comparison, fails for Integer.MAX_VALUE * * @run main Test6992759 */ public class Test6992759 { static final int N_TESTS = 1000000000; public static void main(String[] args) throws Exception { /* * If MAX_VALUE is changed to MAX_VALUE - 1 below, the test passes * because (apparently) bad code is only generated when comparing * <= MAX_VALUE in the doTest method. */ Test6992759 test = new Test6992759(); for (int i = 0; i < N_TESTS; i += 1) { test.doTest(10, Integer.MAX_VALUE, i); //test.doTest(10, Integer.MAX_VALUE - 1, i); } System.out.println("No failure"); } void doTest(int expected, int max, int i) { int counted; for (counted = 0; (counted <= max) && (counted < expected); counted += 1) { } if (counted != expected) { throw new RuntimeException("Failed test iteration=" + i + " max=" + max + " counted=" + counted + " expected=" + expected); } } }