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/cds
  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 }