1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/*
* Copyright (c) 2009, 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @key stress randomness
*
* @summary converted from VM Testbase gc/gctests/FinalizeTest05.
* VM Testbase keywords: [gc, stress, stressopt, nonconcurrent]
*
* @library /vmTestbase
* /test/lib
* @run main/othervm -XX:-UseGCOverheadLimit gc.gctests.FinalizeTest05.FinalizeTest05
*/
package gc.gctests.FinalizeTest05;
import nsk.share.gc.*;
import java.util.*;
import nsk.share.TestFailure;
import nsk.share.test.ExecutionController;
import nsk.share.test.Stresser;
/**
*/
public class FinalizeTest05 extends GCTestBase {
private final int allocRatio = 5;
private final int size = 1024 * 2;
private int count = 1000;
private ExecutionController stresser;
private void runOne() {
ArrayList objs = new ArrayList(count);
Object o;
for (int i = 0; i < count; i++) {
if (i % allocRatio == 0) {
o = new FinMemoryObject(size);
objs.add(o);
} else {
o = new byte[size - Memory.getObjectExtraSize()];
}
}
FinMemoryObject.dumpStatistics();
o = null;
/* force finalization */
Algorithms.eatMemory(stresser);
System.gc();
Runtime.getRuntime().runFinalization();
System.gc();
Runtime.getRuntime().runFinalization();
FinMemoryObject.dumpStatistics();
boolean error;
System.out.println("Allocated: " + FinMemoryObject.getAllocatedCount());
System.out.println("Finalized: " + FinMemoryObject.getFinalizedCount());
error = (FinMemoryObject.getFinalizedCount() != 0);
// Just hit the objs array to do say VM that we use this object
// and it should be alive in this point.
objs.clear();
if (error) {
throw new TestFailure("Test failed.");
}
}
public void run() {
stresser = new Stresser(runParams.getStressOptions());
stresser.start(runParams.getIterations());
count = (int) Math.min(runParams.getTestMemory() / size, Integer.MAX_VALUE);
System.out.println("Allocating " + count
+ " objects. 1 out of " + allocRatio
+ " will have a finalizer.");
System.out.flush();
runOne();
}
public static void main(String[] args) {
GC.runTest(new FinalizeTest05(), args);
}
}
|
