1 /*
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  3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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  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.
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 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  * @requires vm.jvmti
 31  * @build ClassFileLoadHook
 32  * @run main/othervm/native ClassFileLoadHookTest
 33  */
 34 
 35 
 36 import jdk.test.lib.cds.CDSOptions;
 37 import jdk.test.lib.cds.CDSTestUtils;
 38 import jdk.test.lib.process.OutputAnalyzer;
 39 import jdk.test.lib.helpers.ClassFileInstaller;
 40 
 41 public class ClassFileLoadHookTest {
 42     public static String sharedClasses[] = {
 43         "ClassFileLoadHook",
 44         "ClassFileLoadHook$TestCaseId",
 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", "jdk.test.whitebox.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         CDSOptions opts = (new CDSOptions())
 58             .setUseVersion(false)
 59             .setXShareMode("off")
 60             .addSuffix("-XX:+UnlockDiagnosticVMOptions",
 61                        "-XX:+WhiteBoxAPI",
 62                        useWb,
 63                        "-agentlib:SimpleClassFileLoadHook=LoadMe,beforeHook,after_Hook",
 64                        "ClassFileLoadHook",
 65                        "" + ClassFileLoadHook.TestCaseId.SHARING_OFF_CFLH_ON);
 66         CDSTestUtils.run(opts)
 67                     .assertNormalExit();
 68 
 69         // Run with AppCDS, but w/o CFLH - second baseline
 70         TestCommon.testDump(appJar, sharedClasses, useWb, "-XX:-PreloadSharedClasses");
 71         OutputAnalyzer out = TestCommon.exec(appJar,
 72                 "-XX:+UnlockDiagnosticVMOptions",
 73                 "-XX:+WhiteBoxAPI", useWb,
 74                 "ClassFileLoadHook",
 75                 "" + ClassFileLoadHook.TestCaseId.SHARING_ON_CFLH_OFF);
 76 
 77         TestCommon.checkExec(out);
 78 
 79 
 80         // Now, run with AppCDS with -Xshare:auto and CFLH
 81         out = TestCommon.execAuto("-cp", appJar,
 82                 "-XX:+UnlockDiagnosticVMOptions",
 83                 "-XX:+WhiteBoxAPI", useWb,
 84                 "-agentlib:SimpleClassFileLoadHook=LoadMe,beforeHook,after_Hook",
 85                 "ClassFileLoadHook",
 86                 "" + ClassFileLoadHook.TestCaseId.SHARING_AUTO_CFLH_ON);
 87 
 88         opts = (new CDSOptions()).setXShareMode("auto");
 89         TestCommon.checkExec(out, opts);
 90 
 91         // Now, run with AppCDS -Xshare:on and CFLH
 92         out = TestCommon.exec(appJar,
 93                 "-XX:+UnlockDiagnosticVMOptions",
 94                 "-XX:+WhiteBoxAPI", useWb,
 95                 "-agentlib:SimpleClassFileLoadHook=LoadMe,beforeHook,after_Hook",
 96                 "ClassFileLoadHook",
 97                 "" + ClassFileLoadHook.TestCaseId.SHARING_ON_CFLH_ON);
 98         TestCommon.checkExec(out);
 99     }
100 }