1 /*
2 * Copyright (c) 2013, 2018, 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.event.runtime;
27
28 public class TestClasses {
29
30 protected TestClassPrivate testClassPrivate;
31 protected TestClassPrivateStatic testClassPrivateStatic;
32
33 public TestClasses() {
34 testClassPrivate = new TestClassPrivate();
35 testClassPrivateStatic = new TestClassPrivateStatic();
36 }
37
38 // Classes TestClassPrivate and TestClassPrivateStatic should be loaded at
39 // the same time
40 // as the base class TestClasses
41 private class TestClassPrivate {
42 }
43
44 private static class TestClassPrivateStatic {
45 }
46
47 protected class TestClassProtected {
59
60 protected class TestClassProtected1 {
61 }
62
63 protected static class TestClassProtectedStatic1 {
64 protected TestClassProtectedStaticInner testClassProtectedStaticInner = new TestClassProtectedStaticInner();
65
66 protected static class TestClassProtectedStaticInner {
67 }
68 }
69
70 public static class TestClassPublicStatic {
71 public static class TestClassPublicStaticInner {
72 }
73 }
74
75 }
76
77 class TestClass {
78 static {
79 // force creation of anonymous class (for the lambda form)
80 Runnable r = () -> System.out.println("Hello");
81 r.run();
82 }
83 }
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1 /*
2 * Copyright (c) 2013, 2020, 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.event.runtime;
27
28 import java.lang.invoke.MethodType;
29 import java.lang.invoke.MethodHandles;
30 import java.lang.invoke.MethodHandles.Lookup;
31 import java.lang.reflect.Array;
32 import static java.lang.invoke.MethodHandles.Lookup.ClassOption.*;
33
34 import jdk.internal.misc.Unsafe;
35
36 public class TestClasses {
37
38 protected TestClassPrivate testClassPrivate;
39 protected TestClassPrivateStatic testClassPrivateStatic;
40
41 public TestClasses() {
42 testClassPrivate = new TestClassPrivate();
43 testClassPrivateStatic = new TestClassPrivateStatic();
44 }
45
46 // Classes TestClassPrivate and TestClassPrivateStatic should be loaded at
47 // the same time
48 // as the base class TestClasses
49 private class TestClassPrivate {
50 }
51
52 private static class TestClassPrivateStatic {
53 }
54
55 protected class TestClassProtected {
67
68 protected class TestClassProtected1 {
69 }
70
71 protected static class TestClassProtectedStatic1 {
72 protected TestClassProtectedStaticInner testClassProtectedStaticInner = new TestClassProtectedStaticInner();
73
74 protected static class TestClassProtectedStaticInner {
75 }
76 }
77
78 public static class TestClassPublicStatic {
79 public static class TestClassPublicStaticInner {
80 }
81 }
82
83 }
84
85 class TestClass {
86 static {
87 // force creation of hidden class (for the lambda form)
88 Runnable r = () -> System.out.println("Hello");
89 r.run();
90 }
91
92 public static void createNonFindableClasses(byte[] klassbuf) throws Throwable {
93 // Create a hidden class and an array of hidden classes.
94 Lookup lookup = MethodHandles.lookup();
95 Class<?> clh = lookup.defineHiddenClass(klassbuf, false, NESTMATE).lookupClass();
96 Class<?> arrayOfHidden = Array.newInstance(clh, 10).getClass(); // HAS ISSUES?
97
98 // Create an Unsafe anonymous class and an array of unsafe anonymous classes.
99 Unsafe unsafe = Unsafe.getUnsafe();
100 Class<?> clu = unsafe.defineAnonymousClass(TestClass.class, klassbuf, new Object[0]);
101 final Class<?> arrayOfUAC = Array.newInstance(clu, 15).getClass();
102 }
103 }
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