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 }