Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/lambda/MostSpecific04.java
test/tools/javac/lambda/MostSpecific04.java
- changeset 1415
- 01c9d4161882
- child 2000
- 4a6acc42c3a1
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| 1414:843d3b191773 | 1415:01c9d4161882 |
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| 1 /* | |
| 2 * Copyright (c) 2012, 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 8003280 | |
| 27 * @summary Add lambda tests | |
| 28 * Structural most specific doesn't handle cases with wildcards in functional interfaces | |
| 29 */ | |
| 30 public class MostSpecific04 { | |
| 31 | |
| 32 static int assertionCount = 0; | |
| 33 | |
| 34 static void assertTrue(boolean cond) { | |
| 35 assertionCount++; | |
| 36 if (!cond) | |
| 37 throw new AssertionError(); | |
| 38 } | |
| 39 | |
| 40 interface DoubleMapper<T> { | |
| 41 double map(T t); | |
| 42 } | |
| 43 | |
| 44 interface LongMapper<T> { | |
| 45 long map(T t); | |
| 46 } | |
| 47 | |
| 48 static class MyList<E> { | |
| 49 void map(DoubleMapper<? super E> m) { assertTrue(false); } | |
| 50 void map(LongMapper<? super E> m) { assertTrue(true); } | |
| 51 } | |
| 52 | |
| 53 public static void main(String[] args) { | |
| 54 MyList<String> ls = new MyList<String>(); | |
| 55 ls.map(e->e.length()); | |
| 56 assertTrue(assertionCount == 1); | |
| 57 } | |
| 58 } |
