Mon, 21 Jan 2013 11:16:28 -0800
Merge
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 | * Test that parameter types are inferred from SAM descriptor when method parameters are elided, |
aoqi@0 | 29 | with different types of method references |
aoqi@0 | 30 | * @compile MethodRef7.java |
aoqi@0 | 31 | * @run main MethodRef7 |
aoqi@0 | 32 | */ |
aoqi@0 | 33 | |
aoqi@0 | 34 | public class MethodRef7 { |
aoqi@0 | 35 | |
aoqi@0 | 36 | static interface A {void m();} |
aoqi@0 | 37 | |
aoqi@0 | 38 | static interface A2 {void m(int n);} |
aoqi@0 | 39 | |
aoqi@0 | 40 | static interface B {String m();} |
aoqi@0 | 41 | |
aoqi@0 | 42 | static interface B2 {String m(int n);} |
aoqi@0 | 43 | |
aoqi@0 | 44 | static interface C {String m(MethodRef7 mr);} |
aoqi@0 | 45 | |
aoqi@0 | 46 | static interface C2 {String m(MethodRef7 mr, int n);} |
aoqi@0 | 47 | |
aoqi@0 | 48 | static interface D {Fee<String> m();} |
aoqi@0 | 49 | |
aoqi@0 | 50 | static interface D2 {Fee<String> m(String s);} |
aoqi@0 | 51 | |
aoqi@0 | 52 | static class Fee<T> { |
aoqi@0 | 53 | |
aoqi@0 | 54 | public Fee() { |
aoqi@0 | 55 | System.out.println("Fee<T> instantiated"); |
aoqi@0 | 56 | } |
aoqi@0 | 57 | |
aoqi@0 | 58 | public Fee(String s) { |
aoqi@0 | 59 | System.out.println("Fee<T> instantiated: " + s); |
aoqi@0 | 60 | } |
aoqi@0 | 61 | } |
aoqi@0 | 62 | |
aoqi@0 | 63 | private static void assertTrue(boolean cond) { |
aoqi@0 | 64 | if (!cond) |
aoqi@0 | 65 | throw new AssertionError(); |
aoqi@0 | 66 | } |
aoqi@0 | 67 | |
aoqi@0 | 68 | static void bar() { |
aoqi@0 | 69 | System.out.println("MethodRef_neg1.bar()"); |
aoqi@0 | 70 | } |
aoqi@0 | 71 | |
aoqi@0 | 72 | static void bar(int x) { |
aoqi@0 | 73 | System.out.println("MethodRef_neg1.bar(int) " + x); |
aoqi@0 | 74 | } |
aoqi@0 | 75 | |
aoqi@0 | 76 | String wahoo() { |
aoqi@0 | 77 | return "wahoo"; |
aoqi@0 | 78 | } |
aoqi@0 | 79 | |
aoqi@0 | 80 | String wahoo(int x) { |
aoqi@0 | 81 | return "wahoo " + x; |
aoqi@0 | 82 | } |
aoqi@0 | 83 | |
aoqi@0 | 84 | public static void main(String[] args) { |
aoqi@0 | 85 | |
aoqi@0 | 86 | A a = MethodRef7::bar; //static reference to bar() |
aoqi@0 | 87 | a.m(); |
aoqi@0 | 88 | A2 a2 = MethodRef7::bar; //static reference to bar(int x) |
aoqi@0 | 89 | a2.m(10); |
aoqi@0 | 90 | |
aoqi@0 | 91 | MethodRef7 mr = new MethodRef7(); |
aoqi@0 | 92 | B b = mr::wahoo; //instance reference to wahoo() |
aoqi@0 | 93 | assertTrue(b.m().equals("wahoo")); |
aoqi@0 | 94 | B2 b2 = mr::wahoo; //instance reference to wahoo(int x) |
aoqi@0 | 95 | assertTrue(b2.m(1).equals("wahoo 1")); |
aoqi@0 | 96 | |
aoqi@0 | 97 | C c = MethodRef7::wahoo; //unbound reference to wahoo() |
aoqi@0 | 98 | assertTrue(c.m(mr).equals("wahoo")); |
aoqi@0 | 99 | C2 c2 = MethodRef7::wahoo; //unbound reference to wahoo(int x) |
aoqi@0 | 100 | assertTrue(c2.m(mr, 2).equals("wahoo 2")); |
aoqi@0 | 101 | |
aoqi@0 | 102 | D d = Fee<String>::new; //constructor reference to Fee() |
aoqi@0 | 103 | D2 d2 = Fee<String>::new; //constructor reference to Fee(String s) |
aoqi@0 | 104 | } |
aoqi@0 | 105 | } |