1 /*

     2  * Copyright (c) 2015, 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 Testing the loading of a class with the same name in two different class loaders.

    28  *

    29  * @requires vm.cds

    30  * @requires vm.cds.custom.loaders

    31  *

    32  * @library /test/lib /test/hotspot/jtreg/runtime/appcds

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

    34  *          java.management

    35  *          jdk.jartool/sun.tools.jar

    36  * @compile test-classes/CustomLoadee.java

    37  *     test-classes/CustomLoadee3.java

    38  *     test-classes/SameNameUnrelatedLoaders.java

    39  * @build sun.hotspot.WhiteBox

    40  * @run driver ClassFileInstaller sun.hotspot.WhiteBox

    41  * @run driver SameNameInTwoLoadersTest

    42  */

    43 

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

    45 import sun.hotspot.WhiteBox;

    46 

    47 

    48 public class SameNameInTwoLoadersTest {

    49     private static String appJar;

    50     private static String customJar;

    51     private static String useWbParam;

    52 

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

    54         appJar = JarBuilder.build("SameNameInTwoLoadersTest",

    55             "SameNameUnrelatedLoaders");

    56 

    57         customJar = JarBuilder.build("SameNameInTwoLoadersTest_custom", "CustomLoadee", "CustomLoadee3");

    58 

    59         useWbParam = "-Xbootclasspath/a:" +

    60             JarBuilder.build(true, "WhiteBox", "sun/hotspot/WhiteBox");;

    61 

    62         // ====== unrelated loaders

    63         executeTestCase(getClassList_FP(),

    64             "SameNameUnrelatedLoaders", "FpBoth");

    65     }

    66 

    67     private static void executeTestCase(String[] classlist,

    68         String testClass, String testCaseId) throws Exception {

    69         classlist[0] = testClass;

    70 

    71         TestCommon.testDump(appJar, classlist, useWbParam);

    72 

    73         OutputAnalyzer output = TestCommon.exec(appJar,

    74                                  // command-line arguments ...

    75                                  "--add-opens=java.base/java.security=ALL-UNNAMED",

    76                                  useWbParam,

    77                                  "-XX:+UnlockDiagnosticVMOptions",

    78                                  "-XX:+WhiteBoxAPI",

    79                                  testClass,

    80                                  customJar, testCaseId);

    81         TestCommon.checkExec(output);

    82     }

    83 

    84     // Single entry, no loader specified (FP method)

    85     private static String[] getClassList_FP() {

    86         return new String[] {

    87             "SameNameUnrelatedLoaders",

    88             "java/lang/Object id: 1",

    89             "CustomLoadee id: 10 super: 1 source: " + customJar,

    90         };

    91     }

    92 }