1/*
2 * Copyright (c) 2008, 2014, 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 */
23package org.graalvm.compiler.jtt.jdk;
24
25import org.graalvm.compiler.jtt.JTTTest;
26import org.junit.Assume;
27import org.junit.Test;
28
29public class Unsafe_compareAndSwapNullCheck extends JTTTest {
30
31    static final long valueOffset;
32    static {
33        try {
34            valueOffset = UNSAFE.objectFieldOffset(Unsafe_compareAndSwap.class.getDeclaredField("value"));
35        } catch (Exception ex) {
36            throw new Error(ex);
37        }
38    }
39
40    long value;
41    long lng;
42
43    public static void test(Unsafe_compareAndSwapNullCheck u, long expected, long newValue) {
44        @SuppressWarnings("unused")
45        long l = u.lng;
46        UNSAFE.compareAndSwapLong(u, valueOffset, expected, newValue);
47    }
48
49    @Test
50    public void run0() throws Throwable {
51        // GR-2921: Unsafe_compareAndSwapNullCheck test crashes on jdk9
52        Assume.assumeTrue(Java8OrEarlier);
53        runTest(getInitialOptions(), EMPTY, false, true, "test", null, 1L, 2L);
54    }
55}
56