Mon, 06 Nov 2017 16:51:47 +0800
[Code Reorganization] remove trailing whitespace to pass jcheck test
1 /*
2 * Copyright (c) 2013, 2014, 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 */
24 /*
25 * @test CdsDifferentObjectAlignment
26 * @summary Testing CDS (class data sharing) using varying object alignment.
27 * Using different object alignment for each dump/load pair.
28 * This is a negative test; using object alignment for loading that
29 * is different from object alignment for creating a CDS file
30 * should fail when loading.
31 * @library /testlibrary
32 * @bug 8025642
33 */
35 import com.oracle.java.testlibrary.*;
37 public class CdsDifferentObjectAlignment {
38 public static void main(String[] args) throws Exception {
39 String nativeWordSize = System.getProperty("sun.arch.data.model");
40 if (!Platform.is64bit()) {
41 System.out.println("ObjectAlignmentInBytes for CDS is only " +
42 "supported on 64bit platforms; this plaform is " +
43 nativeWordSize);
44 System.out.println("Skipping the test");
45 } else {
46 createAndLoadSharedArchive(16, 64);
47 createAndLoadSharedArchive(64, 32);
48 }
49 }
52 // Parameters are object alignment expressed in bytes
53 private static void
54 createAndLoadSharedArchive(int createAlignment, int loadAlignment)
55 throws Exception {
56 String createAlignmentArgument = "-XX:ObjectAlignmentInBytes=" +
57 createAlignment;
58 String loadAlignmentArgument = "-XX:ObjectAlignmentInBytes=" +
59 loadAlignment;
61 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
62 "-XX:+UnlockDiagnosticVMOptions",
63 "-XX:SharedArchiveFile=./sample.jsa",
64 "-Xshare:dump",
65 createAlignmentArgument);
67 OutputAnalyzer output = new OutputAnalyzer(pb.start());
68 output.shouldContain("Loading classes to share");
69 output.shouldHaveExitValue(0);
71 pb = ProcessTools.createJavaProcessBuilder(
72 "-XX:+UnlockDiagnosticVMOptions",
73 "-XX:SharedArchiveFile=./sample.jsa",
74 "-Xshare:on",
75 loadAlignmentArgument,
76 "-version");
78 output = new OutputAnalyzer(pb.start());
79 String expectedErrorMsg =
80 String.format(
81 "The shared archive file's ObjectAlignmentInBytes of %d " +
82 "does not equal the current ObjectAlignmentInBytes of %d",
83 createAlignment,
84 loadAlignment);
86 try {
87 output.shouldContain(expectedErrorMsg);
88 } catch (RuntimeException e) {
89 output.shouldContain("Unable to use shared archive");
90 }
91 output.shouldHaveExitValue(1);
92 }
93 }