1 /* 2 * Copyright (c) 2019, 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 At run time, it is OK to append new elements to the classpath that was used at dump time. 28 * @requires vm.cds 29 * @library /test/lib /test/hotspot/jtreg/runtime/cds 30 * @modules java.base/jdk.internal.misc 31 * java.management 32 * jdk.jartool/sun.tools.jar 33 * @compile ../test-classes/Hello.java 34 * @compile ../test-classes/HelloMore.java 35 * @run driver AppendClasspath 36 */ 37 38 import java.io.File; 39 40 public class AppendClasspath extends DynamicArchiveTestBase { 41 42 public static void main(String[] args) throws Exception { 43 runTest(AppendClasspath::testDefaultBase); 44 } 45 46 static void testDefaultBase() throws Exception { 47 String topArchiveName = getNewArchiveName("top"); 48 doTest(topArchiveName); 49 } 50 51 private static void doTest(String topArchiveName) throws Exception { 52 String appJar = JarBuilder.getOrCreateHelloJar(); 53 String appJar2 = JarBuilder.build("AppendClasspath_HelloMore", "HelloMore"); 54 55 // Dump an archive with a specified JAR file in -classpath 56 dump(topArchiveName, 57 "-Xlog:cds", 58 "-Xlog:cds+dynamic=debug", 59 "-cp", appJar, "Hello") 60 .assertNormalExit(output -> { 61 output.shouldContain("Buffer-space to target-space delta") 62 .shouldContain("Written dynamic archive 0x"); 63 }); 64 65 // runtime with classpath containing the one used in dump time, 66 // i.e. the dump time classpath is a prefix of the runtime classpath. 67 run(topArchiveName, 68 "-Xlog:class+load", 69 "-Xlog:cds+dynamic=debug,cds=debug", 70 "-cp", appJar + File.pathSeparator + appJar2, 71 "HelloMore") 72 .assertNormalExit(output -> { 73 output.shouldContain("Hello source: shared objects file") 74 .shouldContain("Hello World ... More") 75 .shouldHaveExitValue(0); 76 }); 77 78 // reverse the order of the 2 jar files so that the dump time classpath 79 // is no longer a prefix of the runtime classpath. The Hello class 80 // should be loaded from the jar file. 81 run(topArchiveName, 82 "-Xlog:class+load", 83 "-Xlog:cds+dynamic=debug,cds=debug", 84 "-cp", appJar2 + File.pathSeparator + appJar, 85 "HelloMore") 86 .assertAbnormalExit(output -> { 87 output.shouldContain("shared class paths mismatch") 88 .shouldHaveExitValue(1); 89 }); 90 91 } 92 }