Thu, 07 Mar 2013 10:04:28 +0000
8009138: javac, equals-hashCode warning tuning
Reviewed-by: mcimadamore
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. |
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 | /* |
aoqi@0 | 25 | * @test |
aoqi@0 | 26 | * @bug 8003280 |
aoqi@0 | 27 | * @summary Add lambda tests |
aoqi@0 | 28 | * test for capture in nested lambda expressions |
aoqi@0 | 29 | * @author Maurizio Cimadamore |
aoqi@0 | 30 | * @run main LambdaCapture05 |
aoqi@0 | 31 | */ |
aoqi@0 | 32 | |
aoqi@0 | 33 | public class LambdaCapture05 { |
aoqi@0 | 34 | |
aoqi@0 | 35 | static int assertionCount = 0; |
aoqi@0 | 36 | |
aoqi@0 | 37 | static void assertTrue(boolean cond) { |
aoqi@0 | 38 | assertionCount++; |
aoqi@0 | 39 | if (!cond) |
aoqi@0 | 40 | throw new AssertionError(); |
aoqi@0 | 41 | } |
aoqi@0 | 42 | |
aoqi@0 | 43 | interface TU<T, U> { |
aoqi@0 | 44 | public T foo(U u); |
aoqi@0 | 45 | } |
aoqi@0 | 46 | |
aoqi@0 | 47 | public static <T, U> T exec(TU<T, U> lambda, U x) { |
aoqi@0 | 48 | return lambda.foo(x); |
aoqi@0 | 49 | } |
aoqi@0 | 50 | |
aoqi@0 | 51 | int i = 40; |
aoqi@0 | 52 | |
aoqi@0 | 53 | void test1(final int a0) { |
aoqi@0 | 54 | exec((final Integer a1) -> { |
aoqi@0 | 55 | final Integer x2 = 10; exec((final Integer a2) -> { |
aoqi@0 | 56 | final Integer x3 = 20; |
aoqi@0 | 57 | exec((final Integer a3) -> { assertTrue(106 == (a0 + a1 + a2 + a3 + x2 + x3 + i)); return null; }, 3); |
aoqi@0 | 58 | return null; |
aoqi@0 | 59 | },2); |
aoqi@0 | 60 | return null; |
aoqi@0 | 61 | },1); |
aoqi@0 | 62 | } |
aoqi@0 | 63 | |
aoqi@0 | 64 | static void test2(final int a0) { |
aoqi@0 | 65 | exec((final Integer a1) -> { |
aoqi@0 | 66 | final Integer x2 = 10; exec((final Integer a2) -> { |
aoqi@0 | 67 | final Integer x3 = 20; |
aoqi@0 | 68 | exec((final Integer a3) -> { assertTrue(66 == (a0 + a1 + a2 + a3 + x2 + x3)); return null; }, 3); |
aoqi@0 | 69 | return null; |
aoqi@0 | 70 | }, 2); |
aoqi@0 | 71 | return null; |
aoqi@0 | 72 | }, 1); |
aoqi@0 | 73 | } |
aoqi@0 | 74 | |
aoqi@0 | 75 | public static void main(String[] args) { |
aoqi@0 | 76 | LambdaCapture05 t = new LambdaCapture05(); |
aoqi@0 | 77 | t.test1(30); |
aoqi@0 | 78 | test2(30); |
aoqi@0 | 79 | assertTrue(assertionCount == 2); |
aoqi@0 | 80 | } |
aoqi@0 | 81 | } |