1 /*

     2  * Copyright (c) 2018, 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 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/cds/appcds

    30  * @build sun.hotspot.WhiteBox

    31  * @compile CheckIntegerCacheApp.java

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

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

    34  * @run driver ArchivedIntegerCacheTest

    35  */

    36 

    37 import java.nio.file.Files;

    38 import java.nio.file.Path;

    39 import java.nio.file.Paths;

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

    41 

    42 public class ArchivedIntegerCacheTest {

    43 

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

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

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

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

    48 

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

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

    51 

    52         //

    53         // Dump default archive

    54         //

    55         OutputAnalyzer output = TestCommon.dump(appJar,

    56                 TestCommon.list("CheckIntegerCacheApp"),

    57                 use_whitebox_jar);

    58         TestCommon.checkDump(output);

    59 

    60         // Test case 1)

    61         // - Default options

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

    63         output = TestCommon.exec(appJar, use_whitebox_jar,

    64                 "-XX:+UnlockDiagnosticVMOptions",

    65                 "-XX:+WhiteBoxAPI",

    66                 "CheckIntegerCacheApp",

    67                 "127",

    68                 "true");

    69         TestCommon.checkExec(output);

    70 

    71         // Test case 2)

    72         // - Default archive

    73         // - Larger -XX:AutoBoxCacheMax

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

    75         output = TestCommon.exec(appJar, use_whitebox_jar,

    76                 "-XX:+UnlockDiagnosticVMOptions",

    77                 "-XX:+WhiteBoxAPI",

    78                 "-XX:AutoBoxCacheMax=20000",

    79                 "CheckIntegerCacheApp",

    80                 "20000",

    81                 "false");

    82         TestCommon.checkExec(output);

    83 

    84         //

    85         // Dump with -XX:AutoBoxCacheMax specified

    86         //

    87         output = TestCommon.dump(appJar,

    88                 TestCommon.list("CheckIntegerCacheApp"),

    89                 "-XX:AutoBoxCacheMax=20000",

    90                 use_whitebox_jar);

    91         TestCommon.checkDump(output);

    92 

    93         // Test case 3)

    94         // - Large archived cache

    95         // - Default options

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

    97         output = TestCommon.exec(appJar, use_whitebox_jar,

    98                 "--module-path",

    99                 moduleDir.toString(),

   100                 "-XX:+UnlockDiagnosticVMOptions",

   101                 "-XX:+WhiteBoxAPI",

   102                 "CheckIntegerCacheApp",

   103                 "127",

   104                 "true");

   105         TestCommon.checkExec(output);

   106 

   107 

   108         // Test case 4)

   109         // - Large archived cache

   110         // - Matching options

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

   112         output = TestCommon.exec(appJar, use_whitebox_jar,

   113                 "--module-path",

   114                 moduleDir.toString(),

   115                 "-XX:+UnlockDiagnosticVMOptions",

   116                 "-XX:+WhiteBoxAPI",

   117                 "-XX:AutoBoxCacheMax=20000",

   118                 "CheckIntegerCacheApp",

   119                 "20000",

   120                 "true");

   121         TestCommon.checkExec(output);

   122 

   123         // Test case 5)

   124         // - Large archived cache

   125         // - Larger requested cache

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

   127         output = TestCommon.exec(appJar, use_whitebox_jar,

   128                 "--module-path",

   129                 moduleDir.toString(),

   130                 "-XX:+UnlockDiagnosticVMOptions",

   131                 "-XX:+WhiteBoxAPI",

   132                 "-XX:AutoBoxCacheMax=30000",

   133                 "CheckIntegerCacheApp",

   134                 "30000",

   135                 "false");

   136         TestCommon.checkExec(output);

   137 

   138         // Test case 6)

   139         // - Cache is too large to archive

   140         output = TestCommon.dump(appJar,

   141                 TestCommon.list("CheckIntegerCacheApp"),

   142                 "-XX:AutoBoxCacheMax=2000000",

   143                 "-Xmx1g",

   144                 "-XX:NewSize=1g",

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

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

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

   148                 use_whitebox_jar);

   149         TestCommon.checkDump(output,

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

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

   152     }

   153 }