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 import java.io.File; 26 import java.nio.charset.Charset; 27 import java.nio.file.Files; 28 import java.nio.file.Path; 29 import java.nio.file.Paths; 30 import java.util.List; 31 import java.util.ArrayList; 32 33 /* 34 * @test 35 * @summary Try to archive lots of classes by searching for classes from the jrt:/ file system. With JDK 12 36 * this will produce an archive with over 30,000 classes. 37 * @requires vm.cds 38 * @library /test/lib /test/hotspot/jtreg/runtime/cds /test/hotspot/jtreg/runtime/cds/dynamicArchive/test-classes 39 * @build LoadClasses 40 * @build sun.hotspot.WhiteBox 41 * @modules jdk.jartool/sun.tools.jar 42 * @run driver ClassFileInstaller -jar loadclasses.jar LoadClasses 43 * @run driver ClassFileInstaller -jar whitebox.jar sun.hotspot.WhiteBox 44 * @run driver/timeout=500 DynamicLotsOfClasses 45 */ 46 47 public class DynamicLotsOfClasses extends DynamicArchiveTestBase { 48 49 public static void main(String[] args) throws Throwable { 50 runTest(DynamicLotsOfClasses::testDefaultBase); 51 } 52 53 static void testDefaultBase() throws Exception { 54 String topArchiveName = getNewArchiveName("top"); 55 try { 56 doTest(topArchiveName); 57 } catch (Throwable th) { 58 System.out.println(th.toString()); 59 Exception ex = new Exception(th); 60 throw ex; 61 } 62 } 63 64 private static void doTest(String topArchiveName) throws Throwable { 65 ArrayList<String> list = new ArrayList<>(); 66 TestCommon.findAllClasses(list); 67 68 String classList = System.getProperty("user.dir") + File.separator + 69 "LotsOfClasses.list"; 70 List<String> lines = list; 71 Path file = Paths.get(classList); 72 Files.write(file, lines, Charset.forName("UTF-8")); 73 74 String appJar = ClassFileInstaller.getJarPath("loadclasses.jar"); 75 String mainClass = "LoadClasses"; 76 77 String whiteBoxJar = ClassFileInstaller.getJarPath("whitebox.jar"); 78 String bootClassPath = "-Xbootclasspath/a:" + whiteBoxJar; 79 dump(topArchiveName, 80 "--add-modules", 81 "ALL-SYSTEM", 82 "-Xlog:hashtables", 83 "-Xmx500m", 84 "-Xlog:cds,cds+dynamic", 85 bootClassPath, 86 "-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI", 87 "-cp", appJar, mainClass, classList) 88 .assertNormalExit(output -> { 89 output.shouldContain("Buffer-space to target-space delta") 90 .shouldContain("Written dynamic archive 0x"); 91 }); 92 } 93 }