Fri, 05 Jul 2013 11:04:22 +0100
8016702: use of ternary operator in lambda expression gives incorrect results
Summary: Constant types erroneously creep in during inference
Reviewed-by: jjg, vromero
1 /*
2 * Copyright (c) 2013, 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 8010303
27 * @summary Graph inference: missing incorporation step causes spurious inference error
28 * @compile TargetType69.java
29 */
30 import java.util.*;
32 class TargetType69 {
34 interface Function<X,Y> {
35 Y m(X x);
36 }
38 abstract class TabulationAssertion<T, U> { }
40 class GroupedMapAssertion<K, M1 extends Map<K, ?>> extends TabulationAssertion<Integer, M1> {
41 GroupedMapAssertion(Function<Integer, K> classifier) { }
42 }
45 <T, M2 extends Map> void exerciseMapTabulation(Function<T, ? extends M2> collector,
46 TabulationAssertion<T, M2> assertion) { }
48 void test(Function<Integer, Integer> classifier, Function<Integer, Map<Integer, List<Integer>>> coll) {
49 exerciseMapTabulation(coll, new GroupedMapAssertion<>(classifier));
50 }
51 }