Mercurial > hg > graal-compiler
view graal/com.oracle.max.graal.jtt/src/com/oracle/graal/jtt/jdk/UnsafeAccess01.java @ 5060:4ed4295ce15f
Update import statements.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Thu, 08 Mar 2012 19:11:12 +0100 |
parents | ed559a528128 |
children |
line wrap: on
line source
/* * Copyright (c) 2008, 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. */ package com.oracle.graal.jtt.jdk; import java.lang.reflect.*; import org.junit.*; import sun.misc.*; /* */ public class UnsafeAccess01 { @SuppressWarnings("unused") private int field = 42; public static int test() throws SecurityException, NoSuchFieldException, IllegalAccessException { final Unsafe unsafe = getUnsafe(); final UnsafeAccess01 object = new UnsafeAccess01(); final Field field = UnsafeAccess01.class.getDeclaredField("field"); final long offset = unsafe.objectFieldOffset(field); final int value = unsafe.getInt(object, offset); return value; } private static Unsafe getUnsafe() throws NoSuchFieldException, IllegalAccessException { final Field unsafeField = Unsafe.class.getDeclaredField("theUnsafe"); unsafeField.setAccessible(true); return (Unsafe) unsafeField.get(null); } @Test public void run0() throws Throwable { Assert.assertEquals(42, test()); } }