MonitorInflationTest.java revision 12158:0fe2815ffa74 
1/*
2 * Copyright (c) 2015, 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 */
23
24/*
25 * @test
26 * @bug 8133885
27 * @summary monitorinflation=debug should have logging from each of the statements in the code
28 * @library /test/lib
29 * @modules java.base/jdk.internal.misc
30 *          java.management
31 * @run driver MonitorInflationTest
32 */
33
34import jdk.test.lib.process.OutputAnalyzer;
35import jdk.test.lib.process.ProcessTools;
36
37public class MonitorInflationTest {
38    static void analyzeOutputOn(ProcessBuilder pb) throws Exception {
39        OutputAnalyzer output = new OutputAnalyzer(pb.start());
40        output.shouldContain("Inflating object");
41        output.shouldContain("type MonitorInflationTest$Waiter");
42        output.shouldContain("I've been waiting.");
43        output.shouldHaveExitValue(0);
44    }
45
46    static void analyzeOutputOff(ProcessBuilder pb) throws Exception {
47        OutputAnalyzer output = new OutputAnalyzer(pb.start());
48        output.shouldNotContain("[monitorinflation]");
49        output.shouldHaveExitValue(0);
50    }
51
52    public static void main(String[] args) throws Exception {
53        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xlog:monitorinflation=debug",
54                                                                  InnerClass.class.getName());
55        analyzeOutputOn(pb);
56
57        pb = ProcessTools.createJavaProcessBuilder("-XX:+TraceMonitorInflation",
58                                                   InnerClass.class.getName());
59        analyzeOutputOn(pb);
60
61        pb = ProcessTools.createJavaProcessBuilder("-Xlog:monitorinflation=off",
62                                                   InnerClass.class.getName());
63        analyzeOutputOff(pb);
64
65        pb = ProcessTools.createJavaProcessBuilder("-XX:-TraceMonitorInflation",
66                                                   InnerClass.class.getName());
67        analyzeOutputOff(pb);
68    }
69
70    public static class Waiter {
71        public static void foo() {
72            System.out.println("I've been waiting.");
73        }
74    }
75    public static class InnerClass {
76        public static void main(String[] args) throws Exception {
77            Waiter w = new Waiter();
78            synchronized (w) {
79                w.wait(100);
80                w.foo();
81            }
82        }
83    }
84}
85