1 /*

     2  * Copyright (c) 2016, 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 jvmti class file loader hook interaction with AppCDS

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

    29  * @requires vm.cds

    30  * @build ClassFileLoadHook

    31  * @run main/othervm/native ClassFileLoadHookTest

    32  */

    33 

    34 

    35 import jdk.test.lib.cds.CDSOptions;

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

    37 import jdk.test.lib.process.ProcessTools;

    38 

    39 

    40 public class ClassFileLoadHookTest {

    41     public static String sharedClasses[] = {

    42         "ClassFileLoadHook",

    43         "ClassFileLoadHook$TestCaseId",

    44         "ClassFileLoadHook$1",

    45         "LoadMe",

    46         "java/sql/SQLException"

    47     };

    48 

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

    50         String wbJar =

    51             ClassFileInstaller.writeJar("WhiteBox.jar", "sun.hotspot.WhiteBox");

    52         String appJar =

    53             ClassFileInstaller.writeJar("ClassFileLoadHook.jar", sharedClasses);

    54         String useWb = "-Xbootclasspath/a:" + wbJar;

    55 

    56         // First, run the test class directly, w/o sharing, as a baseline reference

    57         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

    58                 "-XX:+UnlockDiagnosticVMOptions",

    59                 "-XX:+WhiteBoxAPI",

    60                 useWb,

    61                 "-agentlib:SimpleClassFileLoadHook=LoadMe,beforeHook,after_Hook",

    62                 "ClassFileLoadHook",

    63                 "" + ClassFileLoadHook.TestCaseId.SHARING_OFF_CFLH_ON);

    64         TestCommon.executeAndLog(pb, "no-sharing").shouldHaveExitValue(0);

    65 

    66         // Run with AppCDS, but w/o CFLH - second baseline

    67         TestCommon.testDump(appJar, sharedClasses, useWb);

    68         OutputAnalyzer out = TestCommon.exec(appJar,

    69                 "-XX:+UnlockDiagnosticVMOptions",

    70                 "-XX:+WhiteBoxAPI", useWb,

    71                 "ClassFileLoadHook",

    72                 "" + ClassFileLoadHook.TestCaseId.SHARING_ON_CFLH_OFF);

    73 

    74         TestCommon.checkExec(out);

    75 

    76 

    77         // Now, run with AppCDS with -Xshare:auto and CFLH

    78         out = TestCommon.execAuto("-cp", appJar,

    79                 "-XX:+UnlockDiagnosticVMOptions",

    80                 "-XX:+WhiteBoxAPI", useWb,

    81                 "-agentlib:SimpleClassFileLoadHook=LoadMe,beforeHook,after_Hook",

    82                 "ClassFileLoadHook",

    83                 "" + ClassFileLoadHook.TestCaseId.SHARING_AUTO_CFLH_ON);

    84 

    85         CDSOptions opts = (new CDSOptions()).setXShareMode("auto");

    86         TestCommon.checkExec(out, opts);

    87 

    88         // Now, run with AppCDS -Xshare:on and CFLH

    89         out = TestCommon.exec(appJar,

    90                 "-XX:+UnlockDiagnosticVMOptions",

    91                 "-XX:+WhiteBoxAPI", useWb,

    92                 "-agentlib:SimpleClassFileLoadHook=LoadMe,beforeHook,after_Hook",

    93                 "ClassFileLoadHook",

    94                 "" + ClassFileLoadHook.TestCaseId.SHARING_ON_CFLH_ON);

    95         TestCommon.checkExec(out);

    96     }

    97 }