1 /*

     2  * Copyright (c) 2015, 2016, 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  * @test

    26  * @summary Ensure that a newly introduced java.base package placed within the --patch-module

    27  *          directory is considered part of the boot loader's visibility boundary

    28  * @requires !(os.family == "windows")

    29  * @library /testlibrary

    30  * @modules java.base/jdk.internal.misc

    31  *          java.management

    32  * @run main/othervm PatchModuleVisibility

    33  */

    34 

    35 import java.io.File;

    36 import java.nio.file.Files;

    37 import java.nio.file.Paths;

    38 

    39 import jdk.test.lib.*;

    40 

    41 public class PatchModuleVisibility {

    42 

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

    44 

    45       String Vis2_B_src =

    46               "package p2;" +

    47               "public class Vis2_B {" +

    48               "    public void m() {" +

    49               "        System.out.println(\"In B's m()\");" +

    50               "    }" +

    51               "}";

    52 

    53       String Vis2_A_src =

    54               "import p2.*;" +

    55               "public class Vis2_A {" +

    56               "    public static void main(String args[]) throws Exception {" +

    57                       // Try loading a class within a newly introduced java.base

    58                       // package.  Make sure the class can be found via --patch-module.

    59               "        try {" +

    60               "            p2.Vis2_B b = new p2.Vis2_B();" +

    61               "            if (b.getClass().getClassLoader() != null) {" +

    62               "                throw new RuntimeException(\"PatchModuleVisibility FAILED - class B " +

    63                                                            "should be loaded by boot class loader\\n\");" +

    64               "            }" +

    65               "            b.m();" +

    66               "        } catch (Throwable e) {" +

    67               "            throw new RuntimeException(\"PatchModuleVisibility FAILED - test " +

    68                                                        "should not throw an error or exception\\n\");" +

    69               "        }" +

    70               "        System.out.println(\"PatchModuleVisibility PASSED\\n\");" +

    71               "    }" +

    72               "}";

    73 

    74       ClassFileInstaller.writeClassToDisk("p2/Vis2_B",

    75           InMemoryJavaCompiler.compile("p2.Vis2_B", Vis2_B_src), System.getProperty("test.classes"));

    76       ClassFileInstaller.writeClassToDisk("p2/Vis2_B", "mods2/java.base");

    77 

    78       ClassFileInstaller.writeClassToDisk("Vis2_A",

    79           InMemoryJavaCompiler.compile("Vis2_A", Vis2_A_src), System.getProperty("test.classes"));

    80 

    81       // Make sure the classes are actually being loaded from mods2

    82       Files.delete(Paths.get(System.getProperty("test.classes") +  File.separator +

    83                                                            "p2" + File.separator + "Vis2_B.class"));

    84 

    85       new OutputAnalyzer(ProcessTools.createJavaProcessBuilder(

    86               "--patch-module=java.base=mods2/java.base",

    87               "--add-exports=java.base/p2=ALL-UNNAMED",

    88               "Vis2_A")

    89           .start()).shouldHaveExitValue(0);

    90     }

    91 }