Fri, 30 Nov 2012 15:14:25 +0000
8004102: Add support for generic functional descriptors
Summary: Method references are allowed to have a generic functional interface descriptor target
Reviewed-by: jjg
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | /** |
aoqi@0 | 27 | * @test |
aoqi@0 | 28 | * @bug 8003639 |
aoqi@0 | 29 | * @summary convert lambda testng tests to jtreg and add them |
aoqi@0 | 30 | * @run testng MethodReferenceTestTypeConversion |
aoqi@0 | 31 | */ |
aoqi@0 | 32 | |
aoqi@0 | 33 | import org.testng.annotations.Test; |
aoqi@0 | 34 | |
aoqi@0 | 35 | import static org.testng.Assert.assertEquals; |
aoqi@0 | 36 | |
aoqi@0 | 37 | /** |
aoqi@0 | 38 | * @author Robert Field |
aoqi@0 | 39 | */ |
aoqi@0 | 40 | |
aoqi@0 | 41 | class MethodReferenceTestTypeConversion_E<T> { |
aoqi@0 | 42 | T xI(T t) { return t; } |
aoqi@0 | 43 | } |
aoqi@0 | 44 | |
aoqi@0 | 45 | @Test |
aoqi@0 | 46 | public class MethodReferenceTestTypeConversion { |
aoqi@0 | 47 | |
aoqi@0 | 48 | interface ISi { int m(Short a); } |
aoqi@0 | 49 | |
aoqi@0 | 50 | interface ICc { char m(Character a); } |
aoqi@0 | 51 | |
aoqi@0 | 52 | public void testUnboxObjectToNumberWiden() { |
aoqi@0 | 53 | ISi q = (new MethodReferenceTestTypeConversion_E<Short>())::xI; |
aoqi@0 | 54 | assertEquals(q.m((short)77), (short)77); |
aoqi@0 | 55 | } |
aoqi@0 | 56 | |
aoqi@0 | 57 | public void testUnboxObjectToChar() { |
aoqi@0 | 58 | ICc q = (new MethodReferenceTestTypeConversion_E<Character>())::xI; |
aoqi@0 | 59 | assertEquals(q.m('@'), '@'); |
aoqi@0 | 60 | } |
aoqi@0 | 61 | |
aoqi@0 | 62 | } |