1 /*

     2  * Copyright (c) 2014, 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  * @bug 8056051

    27  * @summary int[]::clone causes "java.lang.NoClassDefFoundError: Array"

    28  * @run main MethodReferenceArrayClone

    29  */

    30 

    31 import java.util.Arrays;

    32 import java.util.function.Function;

    33 import java.util.function.Supplier;

    34 

    35 public class MethodReferenceArrayClone {

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

    37         int[] intArgs = new int[] {1, 2, 3, 4, 5};

    38         checkInt("int[]::clone", int[]::clone, intArgs);

    39         checkInt("a -> a.clone()", a -> a.clone(), intArgs);

    40         checkInt("intArgs::clone", intArgs::clone, intArgs);

    41 

    42         String[] stringArgs = new String[] {"hi", "de", "ho"};

    43         checkString("String[]::clone", String[]::clone, stringArgs);

    44         checkString("a -> a.clone()", a -> a.clone(), stringArgs);

    45         checkString("args::clone", stringArgs::clone, stringArgs);

    46     }

    47 

    48     private static void checkInt(String label, Supplier<int[]> s, int[] expected) {

    49         if (!Arrays.equals(s.get(), expected)) {

    50             throw new RuntimeException("Unexpected value " + label + ": " + Arrays.toString(s.get()));

    51         }

    52     }

    53 

    54     private static void checkInt(String label, Function<int[], int[]> f, int[] a) {

    55         checkInt(label, () -> f.apply(a), a);

    56     }

    57 

    58     private static void checkString(String label, Supplier<String[]> s, String[] expected) {

    59         if (!Arrays.equals(s.get(), expected)) {

    60             throw new RuntimeException("Unexpected value " + label + ": " + Arrays.toString(s.get()));

    61         }

    62     }

    63 

    64     private static void checkString(String label, Function<String[], String[]> f, String[] a) {

    65         checkString(label, () -> f.apply(a), a);

    66     }

    67 }