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
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
|
/*
* Copyright (c) 2004, 2018, 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.
*/
package nsk.monitoring.MemoryPoolMBean.setCollectionUsageThreshold;
import java.io.*;
import java.util.*;
import java.lang.management.*;
import nsk.share.*;
import nsk.monitoring.share.*;
public class setthreshold001 {
private static class TestParameters {
private final long max, validThreshold, invalidThreshold;
private final boolean supportsMax;
public TestParameters(MemoryUsage usg) {
max = usg.getMax();
supportsMax = (max != -1);
validThreshold = supportsMax ? max : 1;
invalidThreshold = supportsMax ? max * 2 : Long.MAX_VALUE;
}
}
private static MemoryMonitor monitor;
private static boolean testFailed = false;
public static void main(String[] argv) {
System.exit(Consts.JCK_STATUS_BASE + run(argv, System.out));
}
public static int run(String[] argv, PrintStream out) {
ArgumentHandler argHandler = new ArgumentHandler(argv);
Log log = new Log(out, argHandler);
monitor = Monitor.getMemoryMonitor(log, argHandler);
List pools = monitor.getMemoryPoolMBeans();
for (int i = 0; i < pools.size(); i++) {
Object pool = pools.get(i);
log.display(i + " pool " + monitor.getName(pool));
boolean isSupported = monitor.isCollectionThresholdSupported(pool);
MemoryUsage usage = monitor.getCollectionUsage(pool);
if (usage == null) {
log.display(" getCollectionUsage() is not supported: it "
+ "returned null");
continue;
}
if (isSupported) {
// Usage thresholds are supported
log.display(" supports collection usage thresholds");
testcase1(log, pool);
testcase2(log, pool);
testcase3(log, pool);
} else {
log.display(" does not support usage thresholds");
testcase4(log, pool);
}
} // for i
if (testFailed)
out.println("TEST FAILED");
return (testFailed) ? Consts.TEST_FAILED : Consts.TEST_PASSED;
}
private static void testcase4(Log log, Object pool) {
// 4. If the usage thresholds are not supported, the method
// must throw UnsupportedOperationException
TestParameters tp = new TestParameters(monitor.getUsage(pool));
try {
monitor.setUsageThreshold(pool, tp.validThreshold);
log.complain("UnsupportedOperationException is not thrown "
+ "in pool " + monitor.getName(pool));
testFailed = true;
} catch (Exception e) {
// The exception is expected, since the usage thresholds are
// not supported
handleUOE(e, log, "Testcase 4.");
}
}
private static void testcase3(Log log, Object pool) {
// 3. Try to set threshold that is greater than max value
// or somehow invalid
TestParameters tp = new TestParameters(monitor.getUsage(pool));
if (tp.supportsMax) {
try {
// setCollectionThreshold() should throw an exception
// given that the threshold is invalid
monitor.setCollectionThreshold(pool, tp.invalidThreshold);
log.complain("IllegalArgumentException is not thrown "
+ "in pool " + monitor.getName(pool) + " for "
+ "threshold " + tp.invalidThreshold + " ("
+ monitor.getCollectionUsage(pool) + ")");
testFailed = true;
} catch (Exception e) {
// The exception is expected, since the threshold is invalid
handleIAE(e, log, "Testcase 3.");
}
} else {
try {
// setCollectionThreshold() should not throw
// an exception given that the memory pool
// does not support a max, even though the
// threshold is invalid
monitor.setCollectionThreshold(pool, tp.invalidThreshold);
log.display(" threshold " + tp.invalidThreshold + " is set");
long used = monitor.getCollectionUsage(pool).getUsed();
monitor.setCollectionThreshold(pool, used);
log.display(" threshold " + used + " is set");
long threshold = monitor.getCollectionThreshold(pool);
if (threshold != used) {
log.complain("Threshold value is " + threshold + ", "
+ "but " + used + " was set in pool "
+ monitor.getName(pool));
testFailed = true;
} else
log.display(" threshold " + threshold + " is read");
} catch (Exception e) {
log.complain("Unexpected " + e + " in pool "
+ monitor.getName(pool));
e.printStackTrace(log.getOutStream());
testFailed = true;
}
}
}
private static void testcase2(Log log, Object pool) {
// 2. Try to set negative threshold
try {
monitor.setCollectionThreshold(pool, -1);
log.complain("IllegalArgumentException is not thrown "
+ "in pool " + monitor.getName(pool) + " for "
+ "negative threshold");
testFailed = true;
} catch (Exception e) {
// The IllegalArgumentException is expected, since the
// threshold is negative
handleIAE(e, log, "Testcase 2.");
}
}
private static void testcase1(Log log, Object pool) {
// 1. Try to set two different values of thresholds
try {
TestParameters tp = new TestParameters(monitor.getUsage(pool));
monitor.setCollectionThreshold(pool, tp.validThreshold);
log.display(" threshold " + tp.validThreshold + " is set");
long used = monitor.getCollectionUsage(pool).getUsed();
monitor.setCollectionThreshold(pool, used);
log.display(" threshold " + used + " is set");
long threshold = monitor.getCollectionThreshold(pool);
if (threshold != used) {
log.complain("Threshold value is " + threshold + ", "
+ "but " + used + " was set in pool "
+ monitor.getName(pool));
testFailed = true;
} else
log.display(" threshold " + threshold + " is read");
} catch (Exception e) {
log.complain("Unexpected " + e + " in pool "
+ monitor.getName(pool));
e.printStackTrace(log.getOutStream());
testFailed = true;
}
}
// Handle UnsupportedOperationException
private static void handleUOE(Throwable e, Log log, String testcase) {
Throwable tmp = unwrap(e);
if (tmp instanceof UnsupportedOperationException) {
log.display(" " + testcase + " UnsupportedOperationException is "
+ "thrown");
} else {
log.complain(" " + testcase + " Incorrect execption " + tmp + " is "
+ "thrown, UnsupportedOperationException is expected");
tmp.printStackTrace(log.getOutStream());
testFailed = true;
}
}
// Handle IllegalArgumentException
private static void handleIAE(Throwable e, Log log, String testcase) {
Throwable tmp = unwrap(e);
if (tmp instanceof IllegalArgumentException) {
log.display(" " + testcase + " IllegalArgumentException is "
+ "thrown");
} else {
log.complain(" " + testcase + " Incorrect execption " + tmp + " is "
+ "thrown, IllegalArgumentException is expected");
tmp.printStackTrace(log.getOutStream());
testFailed = true;
}
}
static Throwable unwrap(Throwable throwable) {
Throwable unwrapped, t = throwable;
do {
unwrapped = t;
if (unwrapped instanceof UnsupportedOperationException) {
break;
}
t = unwrapped.getCause();
} while (t != null);
return unwrapped;
}
}
|
