/
githubmirror
/
panama-vector
Обзор
Документация
Войти
/
githubmirror
/
panama-vector
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
master
test/jdk/java/nio/channels/FileChannel/MapOverEnd.java
46 строк
2 KB
Erik Joelsson
8187443: Forest Consolidation: Move files to unified layout
12 сен 2017, 20:03
12 сен 2017, 20:03
3789983
Код
Авторство
О чём код?
/* * Copyright (c) 2001, 2010, 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 4463036 * @summary Check if file mapping extends beyond end of file * @run main/othervm MapOverEnd */ import java.nio.*; import java.nio.channels.*; import java.io.*; public class MapOverEnd { public static void main (String [] args) throws Exception { File blah = File.createTempFile("blah", null); blah.deleteOnExit(); RandomAccessFile raf = new RandomAccessFile (blah, "rw"); FileChannel fc = raf.getChannel(); MappedByteBuffer map = fc.map(FileChannel.MapMode.READ_WRITE, 0, 2048); fc.close(); double current = map.getDouble (50); map.putDouble (50, current+0.1d); map.force(); } }