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 }