Tue, 10 Sep 2013 13:47:51 +0200
8005222: Fixed bugs should have tests with bugid in @bug tag
Reviewed-by: jfranck, jjg
Contributed-by: Andreas Lundblad <andreas.lundblad@oracle.com>
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.util.List; |
aoqi@0 | 25 | import java.util.ArrayList; |
aoqi@0 | 26 | import java.util.Arrays; |
aoqi@0 | 27 | import java.io.Serializable; |
aoqi@0 | 28 | import java.io.File; |
aoqi@0 | 29 | |
aoqi@0 | 30 | /** |
aoqi@0 | 31 | * @test |
aoqi@0 | 32 | * @bug 8003280 |
aoqi@0 | 33 | * @summary Add lambda tests |
aoqi@0 | 34 | * Parameter types inferred from target type in generics without wildcard |
aoqi@0 | 35 | * @compile InferenceTest2.java |
aoqi@0 | 36 | * @run main InferenceTest2 |
aoqi@0 | 37 | */ |
aoqi@0 | 38 | |
aoqi@0 | 39 | public class InferenceTest2 { |
aoqi@0 | 40 | |
aoqi@0 | 41 | private static void assertTrue(boolean cond) { |
aoqi@0 | 42 | if (!cond) |
aoqi@0 | 43 | throw new AssertionError(); |
aoqi@0 | 44 | } |
aoqi@0 | 45 | |
aoqi@0 | 46 | public static void main(String[] args) { |
aoqi@0 | 47 | |
aoqi@0 | 48 | InferenceTest2 test = new InferenceTest2(); |
aoqi@0 | 49 | |
aoqi@0 | 50 | //test SAM1<T> |
aoqi@0 | 51 | SAM1<String> sam1 = para -> { String result = ""; |
aoqi@0 | 52 | for(String s : para) |
aoqi@0 | 53 | if(s.compareTo(result) > 0) |
aoqi@0 | 54 | result = s; |
aoqi@0 | 55 | return result; }; |
aoqi@0 | 56 | List<String> list = Arrays.asList("a", "b", "c"); |
aoqi@0 | 57 | assertTrue(sam1.m1(list).equals("c")); |
aoqi@0 | 58 | |
aoqi@0 | 59 | test.method1(para -> para.get(0)); |
aoqi@0 | 60 | |
aoqi@0 | 61 | //test SAM2<T> |
aoqi@0 | 62 | SAM2<String> sam2 = para -> {para = para.substring(0);}; |
aoqi@0 | 63 | SAM2<Double> sam2_2 = para -> {}; |
aoqi@0 | 64 | SAM2<File> sam2_3 = para -> { if(para.isDirectory()) |
aoqi@0 | 65 | System.out.println("directory"); |
aoqi@0 | 66 | }; |
aoqi@0 | 67 | |
aoqi@0 | 68 | //test SAM3<T> |
aoqi@0 | 69 | SAM3<String> sam3 = para -> para[0].substring(0, para[0].length()-1); |
aoqi@0 | 70 | assertTrue(sam3.m3("hello+").equals("hello")); |
aoqi@0 | 71 | |
aoqi@0 | 72 | SAM3<Integer> sam3_2 = para -> para[0] - para[1]; |
aoqi@0 | 73 | assertTrue(sam3_2.m3(1, -1) == 2); |
aoqi@0 | 74 | |
aoqi@0 | 75 | SAM3<Double> sam3_3 = para -> para[0] + para[1] + para[2] + para[3]; |
aoqi@0 | 76 | assertTrue(sam3_3.m3(1.0, 2.0, 3.0, 4.0) == 10.0); |
aoqi@0 | 77 | |
aoqi@0 | 78 | test.method3(para -> para[0] + 1); |
aoqi@0 | 79 | |
aoqi@0 | 80 | //test SAM6<T> |
aoqi@0 | 81 | SAM6<String> sam6 = (para1, para2) -> para1.concat(para2); |
aoqi@0 | 82 | assertTrue(sam6.m6("hello", "world").equals("helloworld")); |
aoqi@0 | 83 | |
aoqi@0 | 84 | test.method6((para1, para2) -> para1 >= para2? para1 : para2); |
aoqi@0 | 85 | } |
aoqi@0 | 86 | |
aoqi@0 | 87 | void method1(SAM1<Integer> sam1) { |
aoqi@0 | 88 | List<Integer> list = Arrays.asList(3,2,1); |
aoqi@0 | 89 | assertTrue(sam1.m1(list) == 3); |
aoqi@0 | 90 | } |
aoqi@0 | 91 | |
aoqi@0 | 92 | void method3(SAM3<Double> sam3) { |
aoqi@0 | 93 | assertTrue(sam3.m3(2.5) == 3.5); |
aoqi@0 | 94 | } |
aoqi@0 | 95 | |
aoqi@0 | 96 | void method6(SAM6<Long> sam6) { |
aoqi@0 | 97 | assertTrue(sam6.m6(5L, -5L) == 5); |
aoqi@0 | 98 | } |
aoqi@0 | 99 | |
aoqi@0 | 100 | interface SAM1<T> { |
aoqi@0 | 101 | T m1(List<T> x); |
aoqi@0 | 102 | } |
aoqi@0 | 103 | |
aoqi@0 | 104 | interface SAM2<T extends Serializable> { |
aoqi@0 | 105 | void m2(T x); |
aoqi@0 | 106 | } |
aoqi@0 | 107 | |
aoqi@0 | 108 | interface SAM3<T> { |
aoqi@0 | 109 | T m3(T... x); |
aoqi@0 | 110 | } |
aoqi@0 | 111 | |
aoqi@0 | 112 | interface SAM6<T> { |
aoqi@0 | 113 | T m6(T a, T b); |
aoqi@0 | 114 | } |
aoqi@0 | 115 | } |