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 Test the handling of long path to the classlist file. 28 * @requires vm.cds 29 * @library /test/lib 30 * @modules java.base/jdk.internal.misc 31 * java.management 32 * jdk.jartool/sun.tools.jar 33 * @compile test-classes/Hello.java 34 * @run driver LongClassListPath 35 */ 36 37 import java.io.File; 38 import java.nio.file.Files; 39 import java.nio.file.Path; 40 import java.nio.file.Paths; 41 import java.nio.file.StandardCopyOption; 42 import java.util.Arrays; 43 import jdk.test.lib.cds.CDSOptions; 44 import jdk.test.lib.cds.CDSTestUtils; 45 import jdk.test.lib.process.OutputAnalyzer; 46 47 public class LongClassListPath { 48 private static final int MAX_PATH = 260; 49 public static void main(String[] args) throws Exception { 50 String[] classes = {"hello"}; 51 String classList = 52 CDSTestUtils.makeClassList(classes).getPath(); 53 String archiveName = "LongClassListPath.jsa"; 54 55 // Create a directory with long path and copy the classlist file to 56 // the directory. 57 Path classDir = Paths.get(System.getProperty("test.classes")); 58 Path destDir = classDir; 59 int subDirLen = MAX_PATH - classDir.toString().length() - 2; 60 if (subDirLen > 0) { 61 char[] chars = new char[subDirLen]; 62 Arrays.fill(chars, 'x'); 63 String subPath = new String(chars); 64 destDir = Paths.get(System.getProperty("test.classes"), subPath); 65 } 66 File longDir = destDir.toFile(); 67 longDir.mkdir(); 68 String destClassList = longDir.getPath() + File.separator + "LongClassListPath.classlist"; 69 Files.copy(Paths.get(classList), Paths.get(destClassList), StandardCopyOption.REPLACE_EXISTING); 70 71 CDSOptions opts = (new CDSOptions()) 72 .addPrefix("-XX:ExtraSharedClassListFile=" + destClassList, "-cp", JarBuilder.getOrCreateHelloJar()) 73 .setArchiveName(archiveName); 74 CDSTestUtils.createArchiveAndCheck(opts); 75 } 76 }