1 /*

     2  * Copyright (c) 2015, 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 import java.lang.reflect.Layer;

    25 import java.security.Provider;

    26 import java.util.ServiceLoader;

    27 

    28 import org.testng.annotations.Test;

    29 import static org.testng.Assert.*;

    30 

    31 /*

    32  * @test

    33  * @run testng MiscTests

    34  * @summary Basic test of ServiceLoader with modules

    35  */

    36 

    37 public class MiscTests {

    38 

    39     @Test

    40     public void testEmptyLayer() {

    41         ServiceLoader<Provider> sl

    42             = ServiceLoader.load(Layer.empty(), Provider.class);

    43         assertFalse(sl.iterator().hasNext());

    44     }

    45 

    46     @Test(expectedExceptions = { NullPointerException.class })

    47     public void testNullLayer() {

    48         ServiceLoader.load(null, Provider.class);

    49     }

    50 

    51     @Test(expectedExceptions = { NullPointerException.class })

    52     public void testNullService() {

    53         ServiceLoader.load(Layer.empty(), null);

    54     }

    55 

    56 }