Thu, 25 Jul 2013 14:51:40 +0100
8020843: javac crashes on accessibility check with method reference with typevar receiver
Summary: method reference overload check doesn't walk through type-variable receivers
Reviewed-by: jjg
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2011, 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. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | */ |
aoqi@0 | 23 | |
aoqi@0 | 24 | import java.io.Serializable; |
aoqi@0 | 25 | import java.util.Calendar; |
aoqi@0 | 26 | |
aoqi@0 | 27 | /** |
aoqi@0 | 28 | * @test |
aoqi@0 | 29 | * @bug 8003280 |
aoqi@0 | 30 | * @summary Add lambda tests |
aoqi@0 | 31 | * This test is for when lambda return type is inferred from target type |
aoqi@0 | 32 | * @compile InferenceTest789.java |
aoqi@0 | 33 | * @run main InferenceTest789 |
aoqi@0 | 34 | */ |
aoqi@0 | 35 | |
aoqi@0 | 36 | public class InferenceTest789 { |
aoqi@0 | 37 | |
aoqi@0 | 38 | private static void assertTrue(boolean b) { |
aoqi@0 | 39 | if(!b) |
aoqi@0 | 40 | throw new AssertionError(); |
aoqi@0 | 41 | } |
aoqi@0 | 42 | |
aoqi@0 | 43 | public static void main(String[] args) { |
aoqi@0 | 44 | InferenceTest789 test = new InferenceTest789(); |
aoqi@0 | 45 | test.method1(() -> 1); |
aoqi@0 | 46 | SAM1<? extends Number> sam1 = () -> 1.0; |
aoqi@0 | 47 | SAM1<? extends Serializable> sam1_2 = () -> "a"; |
aoqi@0 | 48 | SAM1<? extends Comparable<?>> sam1_3 = () -> Calendar.getInstance(); |
aoqi@0 | 49 | SAM1<?> sam1_4 = () -> 1.5f; |
aoqi@0 | 50 | |
aoqi@0 | 51 | SAM2<Number> sam2 = a -> 1; |
aoqi@0 | 52 | SAM2<? extends Serializable> sam2_2 = a -> 1; |
aoqi@0 | 53 | } |
aoqi@0 | 54 | |
aoqi@0 | 55 | void method1(SAM1<?> s) { |
aoqi@0 | 56 | System.out.println("s.m1()=" + s.m1() + " s.m1().getClass()=" + s.m1().getClass()); |
aoqi@0 | 57 | assertTrue(s.m1().equals(new Integer(1))); |
aoqi@0 | 58 | } |
aoqi@0 | 59 | |
aoqi@0 | 60 | interface SAM1<T> { |
aoqi@0 | 61 | T m1(); |
aoqi@0 | 62 | } |
aoqi@0 | 63 | |
aoqi@0 | 64 | interface SAM2<T extends Serializable> { |
aoqi@0 | 65 | T m2(T t); |
aoqi@0 | 66 | } |
aoqi@0 | 67 | } |