1 /*

     2  * Copyright (c) 2017, 2019, 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 /*

    26  * @test

    27  * @summary Test open archive heap regions

    28  * @requires vm.cds.archived.java.heap

    29  * @comment This test explicitly chooses the type of GC to be used by sub-processes. It may conflict with the GC type set

    30  * via the -vmoptions command line option of JTREG. vm.gc==null will help the test case to discard the explicitly passed

    31  * vm options.

    32  * @requires (vm.gc=="null")

    33  * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds

    34  * @modules java.base/jdk.internal.misc

    35  * @modules java.management

    36  *          jdk.jartool/sun.tools.jar

    37  * @compile ../test-classes/Hello.java

    38  * @run driver OpenArchiveRegion

    39  */

    40 

    41 import jdk.test.lib.process.OutputAnalyzer;

    42 

    43 public class OpenArchiveRegion {

    44     public static void main(String[] args) throws Exception {

    45         JarBuilder.getOrCreateHelloJar();

    46         String appJar = TestCommon.getTestJar("hello.jar");

    47         String appClasses[] = TestCommon.list("Hello");

    48 

    49         // Dump with open archive heap region, requires G1 GC

    50         OutputAnalyzer output = TestCommon.dump(appJar, appClasses);

    51         TestCommon.checkDump(output, "oa0 space:");

    52         output.shouldNotContain("oa0 space:         0 [");

    53         output = TestCommon.exec(appJar, "Hello");

    54         TestCommon.checkExec(output, "Hello World");

    55         output = TestCommon.exec(appJar, "-XX:+UseSerialGC", "Hello");

    56         TestCommon.checkExec(output, "Hello World");

    57 

    58         // Dump with open archive heap region disabled when G1 GC is not in use

    59         output = TestCommon.dump(appJar, appClasses, "-XX:+UseParallelGC");

    60         TestCommon.checkDump(output);

    61         output.shouldNotContain("oa0 space:");

    62         output = TestCommon.exec(appJar, "Hello");

    63         TestCommon.checkExec(output, "Hello World");

    64     }

    65 }