1 /* |
1 /* |
2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2018, 2019, 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. |
20 * or visit www.oracle.com if you need additional information or have any |
20 * or visit www.oracle.com if you need additional information or have any |
21 * questions. |
21 * questions. |
22 * |
22 * |
23 */ |
23 */ |
24 |
24 |
25 import java.net.URI; |
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26 import java.nio.file.DirectoryStream; |
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27 import java.nio.file.Files; |
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28 import java.nio.file.FileSystem; |
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29 import java.nio.file.FileSystems; |
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30 import java.nio.file.Path; |
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31 import java.util.ArrayList; |
25 import java.util.ArrayList; |
32 import java.util.regex.Matcher; |
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33 import java.util.regex.Pattern; |
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34 |
26 |
35 import jdk.test.lib.cds.CDSTestUtils; |
27 import jdk.test.lib.cds.CDSTestUtils; |
36 import jdk.test.lib.cds.CDSOptions; |
28 import jdk.test.lib.cds.CDSOptions; |
37 import jdk.test.lib.process.OutputAnalyzer; |
29 import jdk.test.lib.process.OutputAnalyzer; |
38 |
30 |
39 /* |
31 /* |
40 * @test |
32 * @test |
41 * @summary Try to archive lots of classes by searching for classes from the jrt:/ file system. With JDK 12 |
33 * @summary Try to archive lots of classes by searching for classes from the jrt:/ file system. With JDK 12 |
42 * this will produce an archive with over 30,000 classes. |
34 * this will produce an archive with over 30,000 classes. |
43 * @requires vm.cds |
35 * @requires vm.cds |
44 * @library /test/lib |
36 * @library /test/lib /test/hotspot/jtreg/runtime/appcds |
45 * @run driver/timeout=500 LotsOfClasses |
37 * @run driver/timeout=500 LotsOfClasses |
46 */ |
38 */ |
47 |
39 |
48 public class LotsOfClasses { |
40 public class LotsOfClasses { |
49 static Pattern pattern; |
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50 |
41 |
51 public static void main(String[] args) throws Throwable { |
42 public static void main(String[] args) throws Throwable { |
52 ArrayList<String> list = new ArrayList<>(); |
43 ArrayList<String> list = new ArrayList<>(); |
53 findAllClasses(list); |
44 TestCommon.findAllClasses(list); |
54 |
45 |
55 CDSOptions opts = new CDSOptions(); |
46 CDSOptions opts = new CDSOptions(); |
56 opts.setClassList(list); |
47 opts.setClassList(list); |
57 opts.addSuffix("--add-modules"); |
48 opts.addSuffix("--add-modules"); |
58 opts.addSuffix("ALL-SYSTEM"); |
49 opts.addSuffix("ALL-SYSTEM"); |
62 opts.addSuffix("-Xlog:gc+region=trace"); |
53 opts.addSuffix("-Xlog:gc+region=trace"); |
63 |
54 |
64 OutputAnalyzer out = CDSTestUtils.createArchive(opts); |
55 OutputAnalyzer out = CDSTestUtils.createArchive(opts); |
65 CDSTestUtils.checkDump(out); |
56 CDSTestUtils.checkDump(out); |
66 } |
57 } |
67 |
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68 static void findAllClasses(ArrayList<String> list) throws Throwable { |
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69 // Find all the classes in the jrt file system |
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70 pattern = Pattern.compile("/modules/[a-z.]*[a-z]+/([^-]*)[.]class"); |
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71 FileSystem fs = FileSystems.getFileSystem(URI.create("jrt:/")); |
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72 Path base = fs.getPath("/modules/"); |
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73 find(base, list); |
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74 } |
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75 |
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76 static void find(Path p, ArrayList<String> list) throws Throwable { |
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77 try (DirectoryStream<Path> stream = Files.newDirectoryStream(p)) { |
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78 for (Path entry: stream) { |
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79 Matcher matcher = pattern.matcher(entry.toString()); |
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80 if (matcher.find()) { |
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81 String className = matcher.group(1); |
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82 list.add(className); |
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83 //System.out.println(className); |
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84 } |
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85 try { |
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86 find(entry, list); |
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87 } catch (Throwable t) {} |
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88 } |
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89 } |
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90 } |
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91 } |
58 } |