1 /* |
1 /* |
2 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
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 |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. |
7 * published by the Free Software Foundation. |
25 import java.lang.*; |
25 import java.lang.*; |
26 import java.lang.reflect.*; |
26 import java.lang.reflect.*; |
27 import sun.hotspot.WhiteBox; |
27 import sun.hotspot.WhiteBox; |
28 |
28 |
29 public class DummyClassHelper { |
29 public class DummyClassHelper { |
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30 static void checkDummyMethod(Class<?> cls, String className) { |
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31 Method m = null; |
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32 try { |
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33 m = cls.getMethod("thisClassIsDummy"); |
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34 throw new java.lang.RuntimeException(className + |
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35 " should be loaded from the jimage and should not have the thisClassIsDummy() method."); |
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36 } catch(NoSuchMethodException ex) { |
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37 System.out.println(ex.toString()); |
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38 } |
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39 } |
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40 |
30 public static void main(String[] args) throws Exception { |
41 public static void main(String[] args) throws Exception { |
31 String[] classNames = {args[0], args[1]}; |
42 String[] classNames = {args[0], args[1]}; |
32 Class cls = null; |
43 Class cls = null; |
33 if (args.length == 2) { |
44 boolean doWBCheck = (args.length == 3); |
34 for (int i = 0; i < classNames.length; i++) { |
45 WhiteBox wb = null; |
35 Method m = null; |
46 if (doWBCheck) { |
36 cls = Class.forName(classNames[i]); |
47 wb = WhiteBox.getWhiteBox(); |
37 try { |
48 } |
38 m = cls.getMethod("thisClassIsDummy"); |
49 for (int i = 0; i < classNames.length; i++) { |
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50 cls = Class.forName(classNames[i]); |
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51 checkDummyMethod(cls, classNames[i]); |
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52 if (doWBCheck) { |
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53 if (!wb.isSharedClass(cls)) { |
39 throw new java.lang.RuntimeException(classNames[i] + |
54 throw new java.lang.RuntimeException(classNames[i] + |
40 " should be loaded from the jimage and should not have the thisClassIsDummy() method."); |
55 ".class should be in shared space."); |
41 } catch(NoSuchMethodException ex) { |
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42 System.out.println(ex.toString()); |
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43 } |
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44 } |
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45 } else { |
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46 WhiteBox wb = WhiteBox.getWhiteBox(); |
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47 for (int i = 0; i < classNames.length; i++) { |
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48 cls = Class.forName(classNames[i]); |
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49 if (!wb.isSharedClass(cls)) { |
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50 System.out.println(classNames[i] + ".class" + " is not in shared space as expected."); |
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51 } else { |
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52 throw new java.lang.RuntimeException(classNames[i] + |
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53 ".class shouldn't be in shared space."); |
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54 } |
56 } |
55 } |
57 } |
56 } |
58 } |
57 } |
59 } |
58 } |
60 } |