test/runtime/SharedArchiveFile/CdsDifferentObjectAlignment.java

Thu, 18 Jul 2013 03:38:10 -0700

author
cl
date
Thu, 18 Jul 2013 03:38:10 -0700
changeset 5396
bb416ee2a79b
parent 0
f90c822e73f8
child 7202
9c8439756c05
permissions
-rw-r--r--

Added tag jdk8-b99 for changeset 81b6cb70717c

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 */
aoqi@0 23
aoqi@0 24 /*
aoqi@0 25 * @test CdsDifferentObjectAlignment
aoqi@0 26 * @summary Testing CDS (class data sharing) using varying object alignment.
aoqi@0 27 * Using different object alignment for each dump/load pair.
aoqi@0 28 * This is a negative test; using object alignment for loading that
aoqi@0 29 * is different from object alignment for creating a CDS file
aoqi@0 30 * should fail when loading.
aoqi@0 31 * @library /testlibrary
aoqi@0 32 */
aoqi@0 33
aoqi@0 34 import com.oracle.java.testlibrary.*;
aoqi@0 35
aoqi@0 36 public class CdsDifferentObjectAlignment {
aoqi@0 37 public static void main(String[] args) throws Exception {
aoqi@0 38 String nativeWordSize = System.getProperty("sun.arch.data.model");
aoqi@0 39 if (!Platform.is64bit()) {
aoqi@0 40 System.out.println("ObjectAlignmentInBytes for CDS is only " +
aoqi@0 41 "supported on 64bit platforms; this plaform is " +
aoqi@0 42 nativeWordSize);
aoqi@0 43 System.out.println("Skipping the test");
aoqi@0 44 } else {
aoqi@0 45 createAndLoadSharedArchive(16, 64);
aoqi@0 46 createAndLoadSharedArchive(64, 32);
aoqi@0 47 }
aoqi@0 48 }
aoqi@0 49
aoqi@0 50
aoqi@0 51 // Parameters are object alignment expressed in bytes
aoqi@0 52 private static void
aoqi@0 53 createAndLoadSharedArchive(int createAlignment, int loadAlignment)
aoqi@0 54 throws Exception {
aoqi@0 55 String createAlignmentArgument = "-XX:ObjectAlignmentInBytes=" +
aoqi@0 56 createAlignment;
aoqi@0 57 String loadAlignmentArgument = "-XX:ObjectAlignmentInBytes=" +
aoqi@0 58 loadAlignment;
aoqi@0 59
aoqi@0 60 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
aoqi@0 61 "-XX:+UnlockDiagnosticVMOptions",
aoqi@0 62 "-XX:SharedArchiveFile=./sample.jsa",
aoqi@0 63 "-Xshare:dump",
aoqi@0 64 createAlignmentArgument);
aoqi@0 65
aoqi@0 66 OutputAnalyzer output = new OutputAnalyzer(pb.start());
aoqi@0 67 output.shouldContain("Loading classes to share");
aoqi@0 68 output.shouldHaveExitValue(0);
aoqi@0 69
aoqi@0 70 pb = ProcessTools.createJavaProcessBuilder(
aoqi@0 71 "-XX:+UnlockDiagnosticVMOptions",
aoqi@0 72 "-XX:SharedArchiveFile=./sample.jsa",
aoqi@0 73 "-Xshare:on",
aoqi@0 74 loadAlignmentArgument,
aoqi@0 75 "-version");
aoqi@0 76
aoqi@0 77 output = new OutputAnalyzer(pb.start());
aoqi@0 78 String expectedErrorMsg =
aoqi@0 79 String.format(
aoqi@0 80 "The shared archive file's ObjectAlignmentInBytes of %d " +
aoqi@0 81 "does not equal the current ObjectAlignmentInBytes of %d",
aoqi@0 82 createAlignment,
aoqi@0 83 loadAlignment);
aoqi@0 84
aoqi@0 85 output.shouldContain(expectedErrorMsg);
aoqi@0 86 output.shouldHaveExitValue(1);
aoqi@0 87 }
aoqi@0 88 }

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