1 /*
   2  * Copyright (c) 2015, 2017, 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  * (NOTE: AppCDS does not support uncompressed oops)
  30  * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true)
  31  * @requires (sun.arch.data.model == "64")
  32  * @requires (os.family == "linux") | (os.family == "solaris") | (os.family == "aix")
  33  *
  34  * @library /test/lib /test/hotspot/jtreg/runtime/appcds
  35  * @modules java.base/jdk.internal.misc
  36  *          java.management
  37  *          jdk.jartool/sun.tools.jar
  38  * @compile test-classes/CustomLoadee.java
  39  *     test-classes/CustomLoadee3.java
  40  *     test-classes/SameNameUnrelatedLoaders.java
  41  * @build sun.hotspot.WhiteBox
  42  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  43  * @run main SameNameInTwoLoadersTest
  44  */
  45 
  46 import jdk.test.lib.process.OutputAnalyzer;
  47 import sun.hotspot.WhiteBox;
  48 
  49 
  50 public class SameNameInTwoLoadersTest {
  51     private static String appJar;
  52     private static String customJar;
  53     private static String useWbParam;
  54 
  55     public static void main(String[] args) throws Exception {
  56         appJar = JarBuilder.build("SameNameInTwoLoadersTest",
  57             "SameNameUnrelatedLoaders");
  58 
  59         customJar = JarBuilder.build("SameNameInTwoLoadersTest_custom", "CustomLoadee", "CustomLoadee3");
  60 
  61         useWbParam = "-Xbootclasspath/a:" +
  62             JarBuilder.build(true, "WhiteBox", "sun/hotspot/WhiteBox");;
  63 
  64         // ====== unrelated loaders
  65         executeTestCase(getClassList_FP(),
  66             "SameNameUnrelatedLoaders", "FpBoth");
  67     }
  68 
  69     private static void executeTestCase(String[] classlist,
  70         String testClass, String testCaseId) throws Exception {
  71         classlist[0] = testClass;
  72 
  73         TestCommon.testDump(appJar, classlist, useWbParam);
  74 
  75         OutputAnalyzer output = TestCommon.exec(appJar,
  76                                  // command-line arguments ...
  77                                  "--add-opens=java.base/java.security=ALL-UNNAMED",
  78                                  useWbParam,
  79                                  "-XX:+UnlockDiagnosticVMOptions",
  80                                  "-XX:+WhiteBoxAPI",
  81                                  testClass,
  82                                  customJar, testCaseId);
  83         TestCommon.checkExec(output);
  84     }
  85 
  86     // Single entry, no loader specified (FP method)
  87     private static String[] getClassList_FP() {
  88         return new String[] {
  89             "SameNameUnrelatedLoaders",
  90             "java/lang/Object id: 1",
  91             "CustomLoadee id: 10 super: 1 source: " + customJar,
  92         };
  93     }
  94 }