1 /* 2 * Copyright (c) 2008, 2020, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * 27 * @summary converted from VM Testbase jit/t/t039. 28 * VM Testbase keywords: [jit, quick] 29 * 30 * @library /vmTestbase 31 * /test/lib 32 * @run main/othervm jit.t.t039.t039 33 */ 34 35 package jit.t.t039; 36 37 import nsk.share.TestFailure; 38 import nsk.share.GoldChecker; 39 40 // opc_lreturn, opc_monitorenter, opc_monitorexit 41 42 public class t039 43 { 44 public static final GoldChecker goldChecker = new GoldChecker( "t039" ); 45 46 private static long f0 = 0, f1 = 1; 47 private static Object x = new Object(); 48 nextFib()49 private static long nextFib() 50 { 51 long res; 52 53 synchronized(x) 54 { 55 res = f0 + f1; 56 f0 = f1; 57 f1 = res; 58 } 59 return res; 60 } 61 main(String argv[])62 public static void main(String argv[]) 63 { 64 for(int i=2; i<10; ++i) 65 t039.goldChecker.println(i + ": " + nextFib()); 66 t039.goldChecker.check(); 67 } 68 } 69