1 /*

     2  * Copyright (c) 2018, 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 primitive box caches integrity in various scenarios (IntegerCache etc)

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

    29  * @library /test/jdk/lib/testlibrary /test/lib /test/hotspot/jtreg/runtime/appcds

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

    31  *          java.management

    32  *          jdk.jartool/sun.tools.jar

    33  * @build sun.hotspot.WhiteBox

    34  * @compile CheckIntegerCacheApp.java

    35  * @run driver ClassFileInstaller -jar boxCache.jar CheckIntegerCacheApp

    36  * @run driver ClassFileInstaller -jar WhiteBox.jar sun.hotspot.WhiteBox

    37  * @run driver ArchivedIntegerCacheTest

    38  */

    39 

    40 import java.nio.file.Files;

    41 import java.nio.file.Path;

    42 import java.nio.file.Paths;

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

    44 

    45 public class ArchivedIntegerCacheTest {

    46 

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

    48         String wbJar = ClassFileInstaller.getJarPath("WhiteBox.jar");

    49         String use_whitebox_jar = "-Xbootclasspath/a:" + wbJar;

    50         String appJar = ClassFileInstaller.getJarPath("boxCache.jar");

    51 

    52         Path userDir = Paths.get(System.getProperty("user.dir"));

    53         Path moduleDir = Files.createTempDirectory(userDir, "mods");

    54 

    55         //

    56         // Dump default archive

    57         //

    58         OutputAnalyzer output = TestCommon.dump(appJar,

    59                 TestCommon.list("CheckIntegerCacheApp"),

    60                 use_whitebox_jar);

    61         TestCommon.checkDump(output);

    62 

    63         // Test case 1)

    64         // - Default options

    65         System.out.println("----------------------- Test case 1 ----------------------");

    66         output = TestCommon.exec(appJar, use_whitebox_jar,

    67                 "-XX:+UnlockDiagnosticVMOptions",

    68                 "-XX:+WhiteBoxAPI",

    69                 "CheckIntegerCacheApp",

    70                 "127",

    71                 "true");

    72         TestCommon.checkExec(output);

    73 

    74         // Test case 2)

    75         // - Default archive

    76         // - Larger -XX:AutoBoxCacheMax

    77         System.out.println("----------------------- Test case 2 ----------------------");

    78         output = TestCommon.exec(appJar, use_whitebox_jar,

    79                 "-XX:+UnlockDiagnosticVMOptions",

    80                 "-XX:+WhiteBoxAPI",

    81                 "-XX:AutoBoxCacheMax=20000",

    82                 "CheckIntegerCacheApp",

    83                 "20000",

    84                 "false");

    85         TestCommon.checkExec(output);

    86 

    87         //

    88         // Dump with -XX:AutoBoxCacheMax specified

    89         //

    90         output = TestCommon.dump(appJar,

    91                 TestCommon.list("CheckIntegerCacheApp"),

    92                 "-XX:AutoBoxCacheMax=20000",

    93                 use_whitebox_jar);

    94         TestCommon.checkDump(output);

    95 

    96         // Test case 3)

    97         // - Large archived cache

    98         // - Default options

    99         System.out.println("----------------------- Test case 3 ----------------------");

   100         output = TestCommon.exec(appJar, use_whitebox_jar,

   101                 "--module-path",

   102                 moduleDir.toString(),

   103                 "-XX:+UnlockDiagnosticVMOptions",

   104                 "-XX:+WhiteBoxAPI",

   105                 "CheckIntegerCacheApp",

   106                 "127",

   107                 "true");

   108         TestCommon.checkExec(output);

   109 

   110 

   111         // Test case 4)

   112         // - Large archived cache

   113         // - Matching options

   114         System.out.println("----------------------- Test case 4 ----------------------");

   115         output = TestCommon.exec(appJar, use_whitebox_jar,

   116                 "--module-path",

   117                 moduleDir.toString(),

   118                 "-XX:+UnlockDiagnosticVMOptions",

   119                 "-XX:+WhiteBoxAPI",

   120                 "-XX:AutoBoxCacheMax=20000",

   121                 "CheckIntegerCacheApp",

   122                 "20000",

   123                 "true");

   124         TestCommon.checkExec(output);

   125 

   126         // Test case 5)

   127         // - Large archived cache

   128         // - Larger requested cache

   129         System.out.println("----------------------- Test case 5 ----------------------");

   130         output = TestCommon.exec(appJar, use_whitebox_jar,

   131                 "--module-path",

   132                 moduleDir.toString(),

   133                 "-XX:+UnlockDiagnosticVMOptions",

   134                 "-XX:+WhiteBoxAPI",

   135                 "-XX:AutoBoxCacheMax=30000",

   136                 "CheckIntegerCacheApp",

   137                 "30000",

   138                 "false");

   139         TestCommon.checkExec(output);

   140 

   141         // Test case 6)

   142         // - Cache is too large to archive

   143         output = TestCommon.dump(appJar,

   144                 TestCommon.list("CheckIntegerCacheApp"),

   145                 "-XX:AutoBoxCacheMax=2000000",

   146                 "-Xmx1g",

   147                 "-XX:NewSize=1g",

   148                 "-Xlog:cds+heap=info",

   149                 "-Xlog:gc+region+cds",

   150                 "-Xlog:gc+region=trace",

   151                 use_whitebox_jar);

   152         TestCommon.checkDump(output,

   153             "Cannot archive the sub-graph referenced from [Ljava.lang.Integer; object",

   154             "humongous regions have been found and may lead to fragmentation");

   155     }

   156 }