| /* |
| * Copyright (c) 2001, 2012, 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 4319866 |
| * @summary Verify that ReliableLog.snapshotSize() returns correct snapshot |
| * file size even if LogHandler doesn't flush. |
| * |
| * @modules java.rmi/sun.rmi.log |
| * @run main/othervm SnapshotSize |
| */ |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.OutputStream; |
| import java.io.ObjectOutputStream; |
| import java.io.IOException; |
| import sun.rmi.log.LogHandler; |
| import sun.rmi.log.ReliableLog; |
| |
| public class SnapshotSize extends LogHandler { |
| |
| int lastSnapshotSize = -1; |
| |
| public static void main(String[] args) throws Exception { |
| SnapshotSize handler = new SnapshotSize(); |
| ReliableLog log = new ReliableLog(".", handler); |
| if (log.snapshotSize() != handler.lastSnapshotSize) { |
| throw new Error(); |
| } |
| |
| String[] snapshots = { "some", "sample", "objects", "to", "snapshot" }; |
| for (int i = 0; i < snapshots.length; i++) { |
| log.snapshot(snapshots[i]); |
| if (log.snapshotSize() != handler.lastSnapshotSize) { |
| throw new Error(); |
| } |
| } |
| } |
| |
| public Object initialSnapshot() { |
| return "initial snapshot"; |
| } |
| |
| public void snapshot(OutputStream out, Object value) throws IOException { |
| ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
| ObjectOutputStream oout = new ObjectOutputStream(bout); |
| oout.writeObject(value); |
| oout.close(); |
| |
| byte[] buf = bout.toByteArray(); |
| out.write(buf); // leave unflushed |
| lastSnapshotSize = buf.length; |
| } |
| |
| public Object applyUpdate(Object update, Object state) { |
| return state; |
| } |
| } |