Sat, 22 Dec 2018 13:10:38 -0800
Added tag jdk8u202-b25 for changeset 15d8c732039b
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 */
24 /**
25 * @test
26 * @bug 8056014
27 * @summary Verify that full type inference is used when calling a method on a type variable.
28 * @compile T8056014.java
29 * @run main T8056014
30 */
32 import java.util.*;
34 public class T8056014 {
35 public static void main(String[] args) {
36 new T8056014().run();
37 }
39 void run() {
40 List<S> l = Arrays.asList(new S());
41 C<S> c = new C<>(new S());
42 foo(l.get(0).copy(1));
43 foo(c.get(0).copy(1));
44 }
46 void foo(S d) {
47 }
48 }
50 class B {
51 public B copy(long j) {
52 throw new AssertionError("Should not get here.");
53 }
54 }
56 class S extends B {
57 public <T> T copy(int i) {
58 return null;
59 }
60 }
62 class C<T extends B> {
63 final T t;
64 public C(T t) {
65 this.t = t;
66 }
67 public T get(int i) {
68 return t;
69 }
70 }