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
|
/*
* Copyright (c) 2016, 2023, 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 ClassResolutionTest
* @bug 8144874
* @requires vm.flagless
* @modules java.base/jdk.internal.misc
* @library /test/lib
* @run driver ClassResolutionTest
*/
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import java.lang.ref.WeakReference;
import java.lang.reflect.Method;
public class ClassResolutionTest {
public static class ClassResolutionTestMain {
public static class Thing1 {
public static int getThingNumber() {
return 1;
}
};
public static class Thing1Handler {
public static int getThingNumber() {
return Thing1.getThingNumber();
}
};
public static void main(String... args) throws Exception {
int x = Thing1Handler.getThingNumber();
System.out.println("ThingNumber: "+Integer.toString(x));
}
}
public static void main(String... args) throws Exception {
// (1) class+resolve should turn on.
ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder("-Xlog:class+resolve=debug",
ClassResolutionTestMain.class.getName());
OutputAnalyzer o = new OutputAnalyzer(pb.start());
o.shouldHaveExitValue(0);
o.shouldContain("[class,resolve] ClassResolutionTest$ClassResolutionTestMain$Thing1Handler ClassResolutionTest$ClassResolutionTestMain$Thing1");
o.shouldContain("[class,resolve] resolve JVM_CONSTANT_MethodHandle");
// (2) class+resolve should turn off.
pb = ProcessTools.createLimitedTestJavaProcessBuilder("-Xlog:class+resolve=debug",
"-Xlog:class+resolve=off",
ClassResolutionTestMain.class.getName());
o = new OutputAnalyzer(pb.start());
o.shouldHaveExitValue(0);
o.shouldNotContain("[class,resolve]");
};
}
|
