test/tools/javac/generics/inference/6650759/T6650759g.java

changeset 0
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child 2525
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equal deleted inserted replaced
-1:000000000000 0:959103a6100f
1 /*
2 * Copyright (c) 2009, 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 6650759
27 * @summary Inference of formal type parameter (unused in formal parameters) is not performed
28 * @compile T6650759g.java
29 */
30
31 public class T6650759g {
32
33 static abstract class A<X extends A<X>> {}
34
35 static abstract class B<X extends A<X>> {}
36
37 interface C<X, Y> {}
38
39 static abstract class D<X extends A<X>, Y extends B<X>> implements C<X, Y> {}
40
41 static class E extends A<E> {}
42
43 static class F extends B<E> {}
44
45 static void test(Iterable<E> data) {
46 m3(m2(data, m1(F.class)));
47 }
48
49 static <X extends A<X>, Y extends B<X>> D<X, Y> m1(Class<Y> c) {
50 return null;
51 }
52
53 static <U, V> Iterable<V> m2(Iterable<U> x1, C<? super U, ? extends V> x2) {
54 return null;
55 }
56
57 static void m3(Iterable<F> data) {
58 }
59 }

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