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comparison test/gc/metaspace/CompressedClassSpaceSizeInJmapHeap.java @ 12226:7944aba7ba41

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8015107: NPG: Use consistent naming for metaspace concepts Reviewed-by: coleenp, mgerdin, hseigel
author ehelin
date Mon, 12 Aug 2013 17:37:02 +0200
parents test/gc/metaspace/ClassMetaspaceSizeInJmapHeap.java@8bf6338972ce
children
comparison
equal deleted inserted replaced
12186:313b724f8911 12226:7944aba7ba41
1 /*
2 * Copyright (c) 2013, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test CompressedClassSpaceSizeInJmapHeap
26 * @bug 8004924
27 * @summary Checks that jmap -heap contains the flag CompressedClassSpaceSize
28 * @library /testlibrary
29 * @run main/othervm -XX:CompressedClassSpaceSize=50m CompressedClassSpaceSizeInJmapHeap
30 */
31
32 import com.oracle.java.testlibrary.*;
33 import java.nio.file.*;
34 import java.io.File;
35 import java.nio.charset.Charset;
36 import java.util.List;
37
38 public class CompressedClassSpaceSizeInJmapHeap {
39 public static void main(String[] args) throws Exception {
40 String pid = Integer.toString(ProcessTools.getProcessId());
41
42 JDKToolLauncher jmap = JDKToolLauncher.create("jmap")
43 .addToolArg("-heap")
44 .addToolArg(pid);
45 ProcessBuilder pb = new ProcessBuilder(jmap.getCommand());
46
47 File out = new File("CompressedClassSpaceSizeInJmapHeap.stdout.txt");
48 pb.redirectOutput(out);
49
50 File err = new File("CompressedClassSpaceSizeInJmapHeap.stderr.txt");
51 pb.redirectError(err);
52
53 run(pb);
54
55 OutputAnalyzer output = new OutputAnalyzer(read(out));
56 output.shouldContain("CompressedClassSpaceSize = 52428800 (50.0MB)");
57 out.delete();
58 }
59
60 private static void run(ProcessBuilder pb) throws Exception {
61 Process p = pb.start();
62 p.waitFor();
63 int exitValue = p.exitValue();
64 if (exitValue != 0) {
65 throw new Exception("jmap -heap exited with error code: " + exitValue);
66 }
67 }
68
69 private static String read(File f) throws Exception {
70 Path p = f.toPath();
71 List<String> lines = Files.readAllLines(p, Charset.defaultCharset());
72
73 StringBuilder sb = new StringBuilder();
74 for (String line : lines) {
75 sb.append(line).append('\n');
76 }
77 return sb.toString();
78 }
79 }