1 /*

     2  * Copyright (c) 2019, Google Inc. 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.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 /*

    27  * @test

    28  * @summary Test with symbolic linked lib/modules

    29  * @bug 8220095

    30  * @requires (os.family == "solaris" | os.family == "linux" | os.family == "mac")

    31  * @library /test/lib

    32  * @modules java.management

    33  *          jdk.jlink

    34  * @run driver ModulesSymLink

    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 jdk.test.lib.process.ProcessTools;

    42 import jdk.test.lib.process.OutputAnalyzer;

    43 

    44 public class ModulesSymLink {

    45     static String java_home;

    46     static String test_jdk;

    47 

    48     public static void main(String[] args) throws Throwable {

    49         java_home = System.getProperty("java.home");

    50         test_jdk = System.getProperty("user.dir") + File.separator +

    51                    "modulessymlink_jdk" + Long.toString(System.currentTimeMillis());

    52 

    53         constructTestJDK();

    54 

    55         ProcessBuilder pb = new ProcessBuilder(

    56             test_jdk + File.separator + "bin" + File.separator + "java",

    57             "-version");

    58         OutputAnalyzer out = new OutputAnalyzer(pb.start());

    59         out.shouldHaveExitValue(0);

    60     }

    61 

    62     // 1) Create a test JDK binary (jlink is used to help simplify the process,

    63     //    alternatively a test JDK could be copied from JAVA_HOME.)

    64     // 2) Rename the test JDK's lib/modules to lib/0.

    65     // 3) Then create a link to lib/0 as lib/modules.

    66     static void constructTestJDK() throws Throwable {

    67         Path jlink = Paths.get(java_home, "bin", "jlink");

    68         System.out.println("Jlink = " + jlink);

    69         OutputAnalyzer out = ProcessTools.executeProcess(jlink.toString(),

    70                   "--output", test_jdk,

    71                   "--add-modules", "java.base");

    72         out.shouldHaveExitValue(0);

    73 

    74         Path modules = Paths.get(test_jdk, "lib", "modules");

    75         Path renamed_modules = Paths.get(test_jdk, "lib", "0");

    76         Files.move(modules, renamed_modules);

    77         Files.createSymbolicLink(modules, renamed_modules);

    78     }

    79 }