Wed, 14 May 2014 15:41:28 -0600
8034223: Most-specific should not have any special treatment for boxed vs. unboxed types
Summary: Rewrite most-specific logic to conform to JLS 8 15.12.2.5
Reviewed-by: vromero
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 | /** |
aoqi@0 | 25 | * @test |
aoqi@0 | 26 | * @bug 8003280 |
aoqi@0 | 27 | * @summary Add lambda tests |
aoqi@0 | 28 | * This test is for identifying SAM types 2 and 3, see Helper.java for SAM types |
aoqi@0 | 29 | * @compile LambdaTest2_SAM1.java Helper.java |
aoqi@0 | 30 | * @run main LambdaTest2_SAM1 |
aoqi@0 | 31 | */ |
aoqi@0 | 32 | |
aoqi@0 | 33 | import java.util.Collections; |
aoqi@0 | 34 | import java.util.List; |
aoqi@0 | 35 | import java.util.ArrayList; |
aoqi@0 | 36 | import java.io.*; |
aoqi@0 | 37 | |
aoqi@0 | 38 | public class LambdaTest2_SAM1 { |
aoqi@0 | 39 | private static List<String> strs = new ArrayList<String>(); |
aoqi@0 | 40 | private static List<File> files = new ArrayList<File>(); |
aoqi@0 | 41 | |
aoqi@0 | 42 | public static void main(String[] args) { |
aoqi@0 | 43 | strs.add("copy"); |
aoqi@0 | 44 | strs.add("paste"); |
aoqi@0 | 45 | strs.add("delete"); |
aoqi@0 | 46 | strs.add("rename"); |
aoqi@0 | 47 | |
aoqi@0 | 48 | files.add(new File("a.txt")); |
aoqi@0 | 49 | files.add(new File("c.txt")); |
aoqi@0 | 50 | files.add(new File("b.txt")); |
aoqi@0 | 51 | |
aoqi@0 | 52 | //type #2: Comparator<T> |
aoqi@0 | 53 | Collections.sort(files, (File f1, File f2) -> f1.getName().compareTo(f2.getName())); |
aoqi@0 | 54 | for(File f : files) |
aoqi@0 | 55 | System.out.println(f.getName()); |
aoqi@0 | 56 | System.out.println(); |
aoqi@0 | 57 | Collections.sort(files, (File f1, File f2) -> (int)(f1.length() - f2.length())); |
aoqi@0 | 58 | for(File f : files) |
aoqi@0 | 59 | System.out.println(f.getName() + " " + f.length()); |
aoqi@0 | 60 | System.out.println(); |
aoqi@0 | 61 | |
aoqi@0 | 62 | LambdaTest2_SAM1 test = new LambdaTest2_SAM1(); |
aoqi@0 | 63 | |
aoqi@0 | 64 | //type #2: |
aoqi@0 | 65 | test.methodMars((File f) -> { |
aoqi@0 | 66 | System.out.println("implementing Mars<File>.getAge(File f)..."); |
aoqi@0 | 67 | return (int)f.length(); |
aoqi@0 | 68 | }); |
aoqi@0 | 69 | test.methodJupiter((int n) -> n+1); |
aoqi@0 | 70 | |
aoqi@0 | 71 | //type #3: |
aoqi@0 | 72 | test.methodXY((List<String> strList) -> strList.size() ); |
aoqi@0 | 73 | test.methodXYZ((List<String> strList) -> 20 ); |
aoqi@0 | 74 | } |
aoqi@0 | 75 | |
aoqi@0 | 76 | //type #2: |
aoqi@0 | 77 | void methodMars(Mars<File> m) { |
aoqi@0 | 78 | System.out.println("methodMars(): SAM type interface Mars object instantiated: " + m); |
aoqi@0 | 79 | System.out.println(m.getAge(new File("a.txt"))); |
aoqi@0 | 80 | } |
aoqi@0 | 81 | |
aoqi@0 | 82 | //type #2: |
aoqi@0 | 83 | void methodJupiter(Jupiter j) { |
aoqi@0 | 84 | System.out.println("methodJupiter(): SAM type interface Jupiter object instantiated: " + j); |
aoqi@0 | 85 | System.out.println(j.increment(33)); |
aoqi@0 | 86 | } |
aoqi@0 | 87 | |
aoqi@0 | 88 | //type #3: |
aoqi@0 | 89 | void methodXY(XY xy) { |
aoqi@0 | 90 | System.out.println("methodXY(): SAM type interface XY object instantiated: " + xy); |
aoqi@0 | 91 | System.out.println(xy.getTotal(strs)); |
aoqi@0 | 92 | } |
aoqi@0 | 93 | |
aoqi@0 | 94 | //type #3: |
aoqi@0 | 95 | void methodXYZ(XYZ xyz) { |
aoqi@0 | 96 | System.out.println("methodXYZ(): SAM type interface XYZ object instantiated: " + xyz); |
aoqi@0 | 97 | System.out.println(xyz.getTotal(strs)); |
aoqi@0 | 98 | } |
aoqi@0 | 99 | } |