| /* |
| * Copyright (c) 2008, 2018, 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 |
| * |
| * @summary converted from VM Testbase jit/t/t013. |
| * VM Testbase keywords: [jit, quick] |
| * |
| * @library /vmTestbase |
| * /test/lib |
| * @run driver jdk.test.lib.FileInstaller . . |
| * @build jit.t.t013.t013 |
| * @run driver ExecDriver --java jit.t.t013.t013 |
| */ |
| |
| package jit.t.t013; |
| |
| import nsk.share.TestFailure; |
| import nsk.share.GoldChecker; |
| |
| class Globals { |
| static public int NumDisks; |
| static public int MaxDisks = 64; // this will do! |
| } |
| |
| class t013 { |
| |
| public static final GoldChecker goldChecker = new GoldChecker( "t013" ); |
| |
| static Peg peg1 = new Peg(1), |
| peg2 = new Peg(2), |
| peg3 = new Peg(3); |
| |
| public static void main(String args[]) { |
| |
| Globals.NumDisks = 4; |
| |
| t013.goldChecker.println("moving " + Globals.NumDisks + " disks..."); |
| |
| if (Globals.NumDisks > Globals.MaxDisks) |
| Globals.NumDisks = Globals.MaxDisks; |
| |
| for (int i = Globals.NumDisks; i > 0; i--) |
| peg1.addDisk(i); |
| |
| long start = System.currentTimeMillis(); |
| |
| moveDisks(Globals.NumDisks, peg1, peg3, peg2); |
| |
| long stop = System.currentTimeMillis(); |
| |
| long t = (stop - start) / 100; |
| |
| t013.goldChecker.println("finished, but I won't tell you how long it took"); |
| t013.goldChecker.check(); |
| } |
| |
| public static void moveDisks(int numDisks, Peg fromPeg, Peg toPeg, Peg usingPeg) { |
| t013.goldChecker.println |
| ( |
| "moveDisks(" + |
| numDisks + |
| ", " + |
| fromPeg.pegNum + |
| ", " + |
| toPeg.pegNum + |
| ", " + |
| usingPeg.pegNum + |
| ")" |
| ); |
| if (numDisks == 1) { |
| int disk; |
| toPeg.addDisk(disk = fromPeg.removeDisk()); |
| } else { |
| moveDisks(numDisks - 1, fromPeg, usingPeg, toPeg); |
| moveDisks(1, fromPeg, toPeg, usingPeg); |
| moveDisks(numDisks - 1, usingPeg, toPeg, fromPeg); |
| } |
| } |
| } |
| |
| class Peg { |
| |
| int pegNum; |
| int disks[] = new int[64]; |
| int nDisks; |
| |
| public Peg(int n) { |
| t013.goldChecker.println("Peg(" + n + ")"); |
| pegNum = n; |
| for (int i = 0; i < Globals.NumDisks; i++) |
| disks[i] = 0; |
| nDisks = 0; |
| } |
| |
| public int pegNum() { |
| return pegNum; |
| } |
| |
| public void addDisk(int diskNum) { |
| t013.goldChecker.println("addDisk(" + diskNum + ", " + pegNum() +")"); |
| disks[nDisks++] = diskNum; |
| } |
| |
| public int removeDisk() { |
| t013.goldChecker.println("removeDisk(" + pegNum() + ")"); |
| return disks[--nDisks]; |
| } |
| |
| } |