1 /* 2 * Copyright (c) 2020, 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 * @test 26 * @requires vm.cds 27 * @summary Test class loader constraint checks for archived classes (dynamic archive) 28 * @library /test/lib 29 * /test/hotspot/jtreg/runtime/cds/appcds 30 * /test/hotspot/jtreg/runtime/cds/appcds/test-classes 31 * /test/hotspot/jtreg/runtime/cds/appcds/dynamicArchive 32 * @modules java.base/jdk.internal.misc 33 * jdk.httpserver 34 * @build sun.hotspot.WhiteBox 35 * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission 36 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. DynamicLoaderConstraintsTest 37 */ 38 39 import com.sun.net.httpserver.HttpExchange; 40 import com.sun.net.httpserver.HttpHandler; 41 import jdk.test.lib.Asserts; 42 43 public class DynamicLoaderConstraintsTest extends DynamicArchiveTestBase { 44 static String mainClass = LoaderConstraintsApp.class.getName(); 45 static String appJar = null; 46 static String appClasses[] = { 47 mainClass, 48 HttpHandler.class.getName(), 49 HttpExchange.class.getName(), 50 Asserts.class.getName(), 51 MyHttpHandler.class.getName(), 52 MyHttpHandlerB.class.getName(), 53 MyHttpHandlerC.class.getName(), 54 MyClassLoader.class.getName() 55 }; 56 57 public static void main(String[] args) throws Exception { 58 runTest(DynamicLoaderConstraintsTest::doTest); 59 } 60 61 static void doTest() throws Exception { 62 appJar = ClassFileInstaller.writeJar("loader_constraints.jar", appClasses); 63 doTest(false); 64 doTest(true); 65 } 66 67 /* 68 * errorInDump: 69 * true: Even when dumping the archive, execute the code that would cause 70 * LinkageError, to see how the VM can handle such error during 71 * dump time. 72 * false: At dump time, simply load all the necessary test classes without 73 * causing LinkageError. This ensures the test classes will be 74 * archived so we can test CDS's handling of loader constraints during 75 * run time. 76 */ 77 static void doTest(boolean errorInDump) throws Exception { 78 for (int i = 1; i <= 3; i++) { 79 String topArchiveName = getNewArchiveName(); 80 String testCase = Integer.toString(i); 81 String cmdLine[] = new String[] { 82 "-cp", appJar, 83 "--add-modules", 84 "java.base,jdk.httpserver", 85 "--add-exports", 86 "java.base/jdk.internal.misc=ALL-UNNAMED", 87 "-Xlog:class+load,class+loader+constraints", 88 mainClass, testCase 89 }; 90 91 String[] dumpCmdLine = cmdLine; 92 if (!errorInDump) { 93 dumpCmdLine = TestCommon.concat(dumpCmdLine, "loadClassOnly"); 94 } 95 96 dump(topArchiveName, dumpCmdLine).assertNormalExit(); 97 run(topArchiveName, cmdLine).assertNormalExit(); 98 } 99 } 100 }