1/*
2 * Copyright (c) 2017, 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
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22 */
23
24/*
25 * @test
26 * @bug 8166188
27 * @summary Test call of native function with JNI weak global ref.
28 * @modules java.base
29 * @run main/othervm/native CallWithJNIWeak
30 */
31
32public class CallWithJNIWeak {
33    static {
34        System.loadLibrary("CallWithJNIWeak");
35    }
36
37    private static native void testJNIFieldAccessors(CallWithJNIWeak o);
38
39    // The field initializations must be kept in sync with the JNI code
40    // which reads verifies the values of these fields.
41    private int i = 1;
42    private long j = 2;
43    private boolean z = true;
44    private char c = 'a';
45    private short s = 3;
46    private float f = 1.0f;
47    private double d = 2.0;
48    private Object l;
49
50    private CallWithJNIWeak() {
51        this.l = this;
52    }
53
54    private native void weakReceiverTest0();
55    private void weakReceiverTest() {
56        weakReceiverTest0();
57    }
58
59    private synchronized void synchonizedWeakReceiverTest() {
60        this.notifyAll();
61    }
62
63
64    private static native void runTests(CallWithJNIWeak o);
65
66    public static void main(String[] args) {
67        CallWithJNIWeak w = new CallWithJNIWeak();
68        for (int i = 0; i < 20000; i++) {
69            runTests(w);
70        }
71    }
72}
73