jdk-24/test/hotspot/jtreg/runtime/cds/appcds/cacheObject/VerifyArchivedFields.java
2021-09-16 23:26:55 +00:00

54 lines
2.3 KiB
Java

/*
* Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
/*
* @test
* @summary run with -XX:VerifyArchivedFields=2 for more expensive verification
* of the archived heap objects.
* @requires vm.cds.write.archived.java.heap
* @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds /test/hotspot/jtreg/runtime/cds/appcds/test-classes
* @build Hello
* @run driver jdk.test.lib.helpers.ClassFileInstaller -jar Hello.jar Hello
* @run driver VerifyArchivedFields
*/
import jdk.test.lib.helpers.ClassFileInstaller;
public class VerifyArchivedFields {
// Note: -XX:VerifyArchivedFields=2 will force a GC every time when
// HeapShared::initialize_from_archived_subgraph(Klass* k, ...) is called. This ensures
// that it's safe to do a GC even when the oop->klass() of some archived heap objects
// are not yet loaded into the system dictionary.
public static void main(String[] args) throws Exception {
TestCommon.test(ClassFileInstaller.getJarPath("Hello.jar"),
TestCommon.list("Hello"),
"-XX:+UnlockDiagnosticVMOptions",
"-XX:VerifyArchivedFields=2",
"-Xlog:cds=debug",
"-Xlog:cds+heap=debug",
"-Xlog:gc*=debug",
"Hello");
}
}