1/*
2 * Copyright (c) 2016, 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.hotspot.test;
24
25import org.junit.Ignore;
26import org.junit.Test;
27
28import org.graalvm.compiler.api.directives.GraalDirectives;
29
30/**
31 * Test on-stack-replacement with locks.
32 */
33public class GraalOSRLockTest extends GraalOSRTestBase {
34
35    @Ignore("OSR with locks not supported")
36    @Test
37    public void testOSR() {
38        testOSR("test");
39    }
40
41    static int limit = 10000;
42
43    private static Object lock = new Object();
44
45    public static ReturnValue test() {
46        synchronized (lock) {
47            for (int i = 0; i < limit * limit; i++) {
48                GraalDirectives.blackhole(i);
49                if (GraalDirectives.inCompiledCode()) {
50                    return ReturnValue.SUCCESS;
51                }
52            }
53            return ReturnValue.FAILURE;
54        }
55    }
56
57}
58