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 /* 26 * @test 27 * @summary non-empty dir in -cp should be fine during dump time if only classes 28 * from the system modules are being loaded even though some are 29 * defined to the PlatformClassLoader and AppClassLoader. 30 * @requires vm.cds 31 * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds 32 * @build sun.hotspot.WhiteBox 33 * @compile ../test-classes/Hello.java 34 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 35 * @run main/othervm -Dtest.cds.copy.child.stdout=false -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. UnusedCPDuringDump 36 */ 37 38 import java.io.File; 39 40 public class UnusedCPDuringDump extends DynamicArchiveTestBase { 41 42 public static void main(String[] args) throws Exception { 43 runTest(UnusedCPDuringDump::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 File dir = new File(System.getProperty("user.dir")); 53 File emptydir = new File(dir, "emptydir"); 54 emptydir.mkdir(); 55 String appJar = JarBuilder.getOrCreateHelloJar(); 56 String bootClassPath = "-Xbootclasspath/a:" + appJar; 57 58 // Dumping with a non-empty directory in the -cp. 59 // It should be fine because the app class won't be loaded from the 60 // -cp, it is being loaded from the bootclasspath. 61 dump(topArchiveName, 62 "-Xlog:cds", 63 "-Xlog:cds+dynamic=debug", 64 bootClassPath, 65 "-cp", dir.getPath(), 66 "Hello") 67 .assertNormalExit(output -> { 68 output.shouldContain("Buffer-space to target-space delta") 69 .shouldContain("Written dynamic archive 0x"); 70 }); 71 72 // Running with -cp different from dumping. It should be fine because 73 // the runtime classpath won't be checked against unused classpath 74 // during dump time. 75 run(topArchiveName, 76 "-Xlog:class+load", 77 "-Xlog:cds+dynamic=debug,cds=debug", 78 bootClassPath, 79 "-cp", appJar, "Hello") 80 .assertNormalExit(output -> { 81 output.shouldContain("Hello World") 82 .shouldHaveExitValue(0); 83 }); 84 } 85 }