119 lines
4.4 KiB
Java
119 lines
4.4 KiB
Java
/*
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* Copyright (c) 2019, 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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/*
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* @test
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* @summary VM should work even if different field layout options are chosen between dump time and run time.
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* @bug 8233086
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* @requires vm.cds
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* @modules java.base/jdk.internal.misc
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* @modules java.base/jdk.internal.vm.annotation
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* @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds /test/hotspot/jtreg/runtime/cds/appcds/test-classes
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* @build FieldLayoutApp
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* @run driver jdk.test.lib.helpers.ClassFileInstaller -jar field_layout.jar
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* FieldLayoutApp
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* FieldLayoutApp$TestObject
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* FieldLayoutApp$Base1
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* FieldLayoutApp$Base2
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* FieldLayoutApp$Child1
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* FieldLayoutApp$Child2
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* @run driver FieldLayoutFlags
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*/
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import jdk.test.lib.Platform;
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import jdk.test.lib.helpers.ClassFileInstaller;
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public class FieldLayoutFlags {
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static final String[][] flags = {
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// Dump time // Run time
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{}, {}, // All defaults. Ensure that the test itself is correct.
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{"-XX:+EnableContended"}, {"-XX:-EnableContended"},
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{"-XX:-EnableContended"}, {"-XX:+EnableContended"},
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{"-XX:ContendedPaddingWidth=128"}, {"-XX:ContendedPaddingWidth=256"},
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{"-XX:ContendedPaddingWidth=256"}, {"-XX:ContendedPaddingWidth=128"},
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};
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static final String appJar = ClassFileInstaller.getJarPath("field_layout.jar");
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public static void main(String[] args) throws Exception {
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for (int i = 0; i < flags.length; i += 2) {
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String[] dumpFlags = flags[i+0];
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String[] runFlags = flags[i+1];
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System.out.println("====================================================== Cases " + i + " and " + (i + 1));
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logFlags("Dump:", dumpFlags);
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logFlags("Run :", runFlags);
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testDump(dontRestrict(dumpFlags));
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testRun (dontRestrict(runFlags));
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}
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}
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static void logFlags(String which, String[] flags) {
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System.out.print(which);
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String prefix = " ";
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for (String s : flags) {
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System.out.print(prefix);
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System.out.print(s);
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prefix = ", ";
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}
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System.out.println();
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}
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// Don't restrict @Contended to trusted classes, so we can use it in FieldLayoutApp
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static String[] dontRestrict(String args[]) {
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return TestCommon.concat("-XX:-RestrictContended", args);
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}
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static void testDump(String[] dumpFlags) throws Exception {
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String classlist[] = new String[] {
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"FieldLayoutApp",
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"FieldLayoutApp$TestObject",
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"FieldLayoutApp$Base1",
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"FieldLayoutApp$Base2",
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/*
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* Note, the following classes are not archived, and will be loaded
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* dynamically at run time. We check that their field layout is compatible with
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* their super classes, which are archived.
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*/
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// "FieldLayoutApp$Child1",
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// "FieldLayoutApp$Child2",
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};
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TestCommon.testDump(appJar, classlist, dumpFlags);
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}
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static void testRun(String[] runFlags) throws Exception {
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String[] cmds = TestCommon.concat(runFlags, "-cp", appJar);
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if (Platform.isDebugBuild()) {
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cmds = TestCommon.concat(cmds, "-XX:+PrintFieldLayout");
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}
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cmds = TestCommon.concat(cmds, "FieldLayoutApp");
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TestCommon.run(cmds).assertNormalExit();
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}
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}
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