MethodReferenceArrayClone.java revision 2655:7193d3fefda6 
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
31import java.util.Arrays;
32import java.util.function.Function;
33import java.util.function.Supplier;
34
35public 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}
68