author | mseledtsov |
Mon, 23 Sep 2019 09:16:05 -0700 | |
branch | JEP-349-branch |
changeset 58271 | e47423f1318b |
parent 58129 | 7b751fe181a5 |
permissions | -rw-r--r-- |
57361 | 1 |
/* |
2 |
* Copyright (c) 2019, 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. Oracle designates this |
|
8 |
* particular file as subject to the "Classpath" exception as provided |
|
9 |
* by Oracle in the LICENSE file that accompanied this code. |
|
10 |
* |
|
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that |
|
15 |
* accompanied this code). |
|
16 |
* |
|
17 |
* You should have received a copy of the GNU General Public License version |
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation, |
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
20 |
* |
|
21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
22 |
* or visit www.oracle.com if you need additional information or have any |
|
23 |
* questions. |
|
24 |
*/ |
|
25 |
||
26 |
package jdk.jfr.api.consumer.recordingstream; |
|
27 |
||
28 |
import java.util.concurrent.CompletableFuture; |
|
29 |
import java.util.concurrent.CountDownLatch; |
|
30 |
import java.util.concurrent.atomic.AtomicLong; |
|
31 |
||
32 |
import jdk.jfr.Event; |
|
33 |
import jdk.jfr.consumer.RecordingStream; |
|
34 |
||
35 |
/** |
|
36 |
* @test |
|
37 |
* @summary Tests RecordingStream::close() |
|
38 |
* @key jfr |
|
39 |
* @requires vm.hasJFR |
|
40 |
* @library /test/lib |
|
41 |
* @run main/othervm jdk.jfr.api.consumer.recordingstream.TestClose |
|
42 |
*/ |
|
43 |
public class TestClose { |
|
44 |
||
45 |
private static class CloseEvent extends Event { |
|
46 |
} |
|
47 |
||
48 |
public static void main(String... args) throws Exception { |
|
49 |
testCloseUnstarted(); |
|
50 |
testCloseStarted(); |
|
51 |
testCloseTwice(); |
|
52 |
testCloseStreaming(); |
|
53 |
testCloseMySelf(); |
|
54 |
} |
|
55 |
||
56 |
private static void testCloseMySelf() throws Exception { |
|
58271
e47423f1318b
Test fixes: more logging, typos, fixes to at-run targets
mseledtsov
parents:
58129
diff
changeset
|
57 |
log("Entering testCloseMySelf()"); |
57361 | 58 |
CountDownLatch l1 = new CountDownLatch(1); |
59 |
CountDownLatch l2 = new CountDownLatch(1); |
|
60 |
RecordingStream r = new RecordingStream(); |
|
61 |
r.onEvent(e -> { |
|
62 |
try { |
|
63 |
l1.await(); |
|
64 |
r.close(); |
|
65 |
l2.countDown(); |
|
66 |
} catch (InterruptedException ie) { |
|
67 |
throw new Error(ie); |
|
68 |
} |
|
69 |
}); |
|
70 |
r.startAsync(); |
|
71 |
CloseEvent c = new CloseEvent(); |
|
72 |
c.commit(); |
|
73 |
l1.countDown(); |
|
74 |
l2.await(); |
|
58271
e47423f1318b
Test fixes: more logging, typos, fixes to at-run targets
mseledtsov
parents:
58129
diff
changeset
|
75 |
log("Leaving testCloseMySelf()"); |
57361 | 76 |
} |
77 |
||
78 |
private static void testCloseStreaming() throws Exception { |
|
58271
e47423f1318b
Test fixes: more logging, typos, fixes to at-run targets
mseledtsov
parents:
58129
diff
changeset
|
79 |
log("Entering testCloseStreaming()"); |
57361 | 80 |
CountDownLatch streaming = new CountDownLatch(1); |
81 |
RecordingStream r = new RecordingStream(); |
|
82 |
AtomicLong count = new AtomicLong(); |
|
83 |
r.onEvent(e -> { |
|
58129 | 84 |
if (count.incrementAndGet() > 100) { |
57361 | 85 |
streaming.countDown(); |
86 |
} |
|
87 |
}); |
|
88 |
r.startAsync(); |
|
89 |
var streamingLoop = CompletableFuture.runAsync(() -> { |
|
90 |
while (true) { |
|
91 |
CloseEvent c = new CloseEvent(); |
|
92 |
c.commit(); |
|
93 |
} |
|
94 |
}); |
|
95 |
streaming.await(); |
|
96 |
r.close(); |
|
97 |
streamingLoop.cancel(true); |
|
58271
e47423f1318b
Test fixes: more logging, typos, fixes to at-run targets
mseledtsov
parents:
58129
diff
changeset
|
98 |
log("Leaving testCloseStreaming()"); |
57361 | 99 |
} |
100 |
||
101 |
private static void testCloseStarted() { |
|
58271
e47423f1318b
Test fixes: more logging, typos, fixes to at-run targets
mseledtsov
parents:
58129
diff
changeset
|
102 |
log("Entering testCloseStarted()"); |
57361 | 103 |
RecordingStream r = new RecordingStream(); |
104 |
r.startAsync(); |
|
105 |
r.close(); |
|
58271
e47423f1318b
Test fixes: more logging, typos, fixes to at-run targets
mseledtsov
parents:
58129
diff
changeset
|
106 |
log("Leaving testCloseStarted()"); |
57361 | 107 |
} |
108 |
||
109 |
private static void testCloseUnstarted() { |
|
58271
e47423f1318b
Test fixes: more logging, typos, fixes to at-run targets
mseledtsov
parents:
58129
diff
changeset
|
110 |
log("Entering testCloseUnstarted()"); |
57361 | 111 |
RecordingStream r = new RecordingStream(); |
112 |
r.close(); |
|
58271
e47423f1318b
Test fixes: more logging, typos, fixes to at-run targets
mseledtsov
parents:
58129
diff
changeset
|
113 |
log("Leaving testCloseUnstarted()"); |
57361 | 114 |
} |
115 |
||
116 |
private static void testCloseTwice() { |
|
58271
e47423f1318b
Test fixes: more logging, typos, fixes to at-run targets
mseledtsov
parents:
58129
diff
changeset
|
117 |
log("Entering testCloseTwice()"); |
57361 | 118 |
RecordingStream r = new RecordingStream(); |
119 |
r.startAsync(); |
|
120 |
r.close(); |
|
121 |
r.close(); |
|
58271
e47423f1318b
Test fixes: more logging, typos, fixes to at-run targets
mseledtsov
parents:
58129
diff
changeset
|
122 |
log("Leaving testCloseTwice()"); |
57361 | 123 |
} |
124 |
||
58271
e47423f1318b
Test fixes: more logging, typos, fixes to at-run targets
mseledtsov
parents:
58129
diff
changeset
|
125 |
private static void log(String msg) { |
e47423f1318b
Test fixes: more logging, typos, fixes to at-run targets
mseledtsov
parents:
58129
diff
changeset
|
126 |
System.out.println(msg); |
e47423f1318b
Test fixes: more logging, typos, fixes to at-run targets
mseledtsov
parents:
58129
diff
changeset
|
127 |
} |
57361 | 128 |
} |