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 8035776
27 * @summary Consistent Lambda construction
28 */
29
30import java.lang.invoke.CallSite;
31import java.lang.invoke.LambdaMetafactory;
32import java.lang.invoke.LambdaConversionException;
33import java.lang.invoke.MethodHandle;
34import java.lang.invoke.MethodHandles;
35import java.lang.invoke.MethodType;
36import java.util.ArrayList;
37import java.util.List;
38
39import LambdaReceiver_anotherpkg.LambdaReceiver_A;
40
41public class LambdaReceiverBridge extends LambdaReceiver_A {
42
43    interface IA {
44        int m(LambdaReceiver_A x);
45    }
46
47    static MethodHandles.Lookup l;
48    static MethodHandle h;
49    private static MethodType mt(Class<?> k) { return MethodType.methodType(k); }
50    private static MethodType mt(Class<?> k, Class<?> k2) { return MethodType.methodType(k, k2); }
51    private static void mf(List<String> errs, MethodType mts, MethodType mtf, boolean shouldWork) {
52    }
53
54    public static void main(String[] args) throws Throwable {
55        l = MethodHandles.lookup();
56        h = l.findVirtual(LambdaReceiver_A.class, "f", mt(int.class));
57        MethodType X = mt(int.class, LambdaReceiverBridge.class);
58        MethodType A = mt(int.class, LambdaReceiver_A.class);
59        MethodType mti = mt(IA.class);
60        CallSite cs = LambdaMetafactory.altMetafactory(l, "m", mti,X,h,X,
61                                          LambdaMetafactory.FLAG_BRIDGES, 1, A);
62        IA p = (IA)cs.dynamicInvoker().invoke();
63        LambdaReceiver_A lra = new LambdaReceiver_A();
64        try {
65            p.m(lra);
66        } catch (ClassCastException cce) {
67            return;
68        }
69        throw new AssertionError("CCE expected");
70    }
71}
72