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 }