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.util.Optional;

    34 import java.util.stream.Stream;

    35 

    36 import jdk.internal.misc.VM;

    37 

    38 public class AddExportsTest {

    39     /*

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

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

    42      * for @modules.

    43      */

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

    45 

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

    47 

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

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

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

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

    52             .findFirst();

    53 

    54         assertTrue(oaddExports.isPresent());

    55 

    56         ModuleLayer bootLayer = ModuleLayer.boot();

    57 

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

    59         assertFalse(unnamedModule.isNamed());

    60 

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

    62 

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

    64             assertTrue(s.length == 2);

    65 

    66             // $MODULE/$PACKAGE

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

    68             assertTrue(moduleAndPackage.length == 2);

    69 

    70             String mn = moduleAndPackage[0];

    71             String pn = moduleAndPackage[1];

    72 

    73             // source module

    74             Module source;

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

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

    77             source = om.get();

    78 

    79             // package should not be exported unconditionally

    80             assertFalse(source.isExported(pn),

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

    82 

    83             // $TARGET

    84             String tn = s[1];

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

    86 

    87                 // package is exported to all unnamed modules

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

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

    90 

    91             } else {

    92 

    93                 om = bootLayer.findModule(tn);

    94                 assertTrue(om.isPresent());

    95                 Module target = om.get();

    96 

    97                 // package should be exported to target module

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

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

   100 

   101                 // package should not be exported to unnamed modules

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

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

   104 

   105             }

   106 

   107         }

   108     }

   109 

   110     static void assertTrue(boolean cond) {

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

   112     }

   113 

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

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

   116     }

   117 

   118     static void assertFalse(boolean cond) {

   119         if (cond) throw new RuntimeException();

   120     }

   121 

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

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

   124     }

   125 

   126 }