Mercurial > jdk8-mips64-public > langtools / annotate
test/tools/javac/lambda/methodReference/MethodRefSingleRefEvalBridge.java@e74dd6df4d4c (annotated)
test/tools/javac/lambda/methodReference/MethodRefSingleRefEvalBridge.java
Tue, 29 Mar 2016 10:48:49 +0000
- author
- dbuck
- date
- Tue, 29 Mar 2016 10:48:49 +0000
- changeset 3102
- e74dd6df4d4c
- parent 2607
- 10e9228e77b0
- permissions
- -rw-r--r--
8143647: Javac compiles method reference that allows results in an IllegalAccessError
Summary: Lambda implementation method synthesized by javac should not mention inaccessible types.
Reviewed-by: mcimadamore
| rfield@2607 | 1 | /* |
| rfield@2607 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| rfield@2607 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| rfield@2607 | 4 | * |
| rfield@2607 | 5 | * This code is free software; you can redistribute it and/or modify it |
| rfield@2607 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| rfield@2607 | 7 | * published by the Free Software Foundation. |
| rfield@2607 | 8 | * |
| rfield@2607 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| rfield@2607 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| rfield@2607 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| rfield@2607 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| rfield@2607 | 13 | * accompanied this code). |
| rfield@2607 | 14 | * |
| rfield@2607 | 15 | * You should have received a copy of the GNU General Public License version |
| rfield@2607 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| rfield@2607 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| rfield@2607 | 18 | * |
| rfield@2607 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| rfield@2607 | 20 | * or visit www.oracle.com if you need additional information or have any |
| rfield@2607 | 21 | * questions. |
| rfield@2607 | 22 | */ |
| rfield@2607 | 23 | |
| rfield@2607 | 24 | /** |
| rfield@2607 | 25 | * @test |
| rfield@2607 | 26 | * @bug 8048121 |
| rfield@2607 | 27 | * @summary javac complex method references: revamp and simplify |
| rfield@2607 | 28 | * |
| rfield@2607 | 29 | * Make sure that the method reference receiver is evaluated exactly once |
| rfield@2607 | 30 | * even in this bridging case. |
| rfield@2607 | 31 | */ |
| rfield@2607 | 32 | |
| rfield@2607 | 33 | public class MethodRefSingleRefEvalBridge { |
| rfield@2607 | 34 | |
| rfield@2607 | 35 | interface SAM { |
| rfield@2607 | 36 | int m(); |
| rfield@2607 | 37 | } |
| rfield@2607 | 38 | |
| rfield@2607 | 39 | class ZZ { |
| rfield@2607 | 40 | // private to force bridging |
| rfield@2607 | 41 | private int four() { return 4; } |
| rfield@2607 | 42 | } |
| rfield@2607 | 43 | |
| rfield@2607 | 44 | static int count = 0; |
| rfield@2607 | 45 | ZZ azz = new ZZ(); |
| rfield@2607 | 46 | |
| rfield@2607 | 47 | static void assertEqual(int expected, int got) { |
| rfield@2607 | 48 | if (got != expected) |
| rfield@2607 | 49 | throw new AssertionError("Expected " + expected + " got " + got); |
| rfield@2607 | 50 | } |
| rfield@2607 | 51 | |
| rfield@2607 | 52 | public static void main(String[] args) { |
| rfield@2607 | 53 | new MethodRefSingleRefEvalBridge().test(); |
| rfield@2607 | 54 | } |
| rfield@2607 | 55 | |
| rfield@2607 | 56 | ZZ check() { |
| rfield@2607 | 57 | count++; |
| rfield@2607 | 58 | return azz; |
| rfield@2607 | 59 | } |
| rfield@2607 | 60 | |
| rfield@2607 | 61 | void test() { |
| rfield@2607 | 62 | count = 0; |
| rfield@2607 | 63 | SAM s = check()::four; |
| rfield@2607 | 64 | assertEqual(1, count); |
| rfield@2607 | 65 | |
| rfield@2607 | 66 | count = 0; |
| rfield@2607 | 67 | assertEqual(4, s.m()); |
| rfield@2607 | 68 | assertEqual(0, count); |
| rfield@2607 | 69 | } |
| rfield@2607 | 70 | } |
