test/tools/javac/generics/inference/6938454/T6938454a.java

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1 /*
2 * Copyright 2010 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 */
23
24 /*
25 * @test
26 * @bug 6938454
27 *
28 * @summary Unable to determine generic type in program that compiles under Java 6
29 * @author mcimadamore
30 * @compile T6938454a.java
31 *
32 */
33
34 class T6938454a {
35
36 static abstract class A { }
37
38 static class B extends A { }
39
40 B getB(B b) {
41 return makeA(b);
42 }
43
44 <X extends A, Y extends X> Y makeA(X x) {
45 return (Y)new B();
46 }
47 }

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