1 /*

     2  * Copyright (c) 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  * @modules java.base/jdk.internal.misc

    27  *          java.desktop

    28  * @run main/othervm --add-exports=java.desktop/sun.awt=java.base AddExportsTest

    29  * @run main/othervm --add-exports=java.desktop/sun.awt=ALL-UNNAMED AddExportsTest

    30  * @summary Test Module isExported methods with exports changed by -AddExportsTest

    31  */

    32 

    33 import java.lang.reflect.Layer;

    34 import java.lang.reflect.Module;

    35 import java.util.Optional;

    36 import java.util.stream.Stream;

    37 

    38 import jdk.internal.misc.VM;

    39 

    40 public class AddExportsTest {

    41     /*

    42      * jtreg sets -Dtest.modules system property to the internal APIs

    43      * specified at @modules tag.  The test will exclude --add-exports set

    44      * for @modules.

    45      */

    46     private static final String TEST_MODULES = System.getProperty("test.modules");

    47 

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

    49 

    50         Optional<String> oaddExports = Stream.of(VM.getRuntimeArguments())

    51             .filter(arg -> arg.startsWith("--add-exports="))

    52             .filter(arg -> !arg.equals("--add-exports=" + TEST_MODULES + "=ALL-UNNAMED"))

    53             .map(arg -> arg.substring("--add-exports=".length(), arg.length()))

    54             .findFirst();

    55 

    56         assertTrue(oaddExports.isPresent());

    57 

    58         Layer bootLayer = Layer.boot();

    59 

    60         Module unnamedModule = AddExportsTest.class.getModule();

    61         assertFalse(unnamedModule.isNamed());

    62 

    63         for (String expr : oaddExports.get().split(",")) {

    64 

    65             String[] s = expr.split("=");

    66             assertTrue(s.length == 2);

    67 

    68             // $MODULE/$PACKAGE

    69             String[] moduleAndPackage = s[0].split("/");

    70             assertTrue(moduleAndPackage.length == 2);

    71 

    72             String mn = moduleAndPackage[0];

    73             String pn = moduleAndPackage[1];

    74 

    75             // source module

    76             Module source;

    77             Optional<Module> om = bootLayer.findModule(mn);

    78             assertTrue(om.isPresent(), mn + " not in boot layer");

    79             source = om.get();

    80 

    81             // package should not be exported unconditionally

    82             assertFalse(source.isExported(pn),

    83                         pn + " should not be exported unconditionally");

    84 

    85             // $TARGET

    86             String tn = s[1];

    87             if ("ALL-UNNAMED".equals(tn)) {

    88 

    89                 // package is exported to all unnamed modules

    90                 assertTrue(source.isExported(pn, unnamedModule),

    91                            pn + " should be exported to all unnamed modules");

    92 

    93             } else {

    94 

    95                 om = bootLayer.findModule(tn);

    96                 assertTrue(om.isPresent());

    97                 Module target = om.get();

    98 

    99                 // package should be exported to target module

   100                 assertTrue(source.isExported(pn, target),

   101                            pn + " should be exported to " + target);

   102 

   103                 // package should not be exported to unnamed modules

   104                 assertFalse(source.isExported(pn, unnamedModule),

   105                             pn + " should not be exported to unnamed modules");

   106 

   107             }

   108 

   109         }

   110     }

   111 

   112     static void assertTrue(boolean cond) {

   113         if (!cond) throw new RuntimeException();

   114     }

   115 

   116     static void assertTrue(boolean cond, String msg) {

   117         if (!cond) throw new RuntimeException(msg);

   118     }

   119 

   120     static void assertFalse(boolean cond) {

   121         if (cond) throw new RuntimeException();

   122     }

   123 

   124     static void assertFalse(boolean cond, String msg) {

   125         if (cond) throw new RuntimeException(msg);

   126     }

   127 

   128 }