Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/lambda/methodReference/MethodRef2.java
test/tools/javac/lambda/methodReference/MethodRef2.java
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| 1 /* | |
| 2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 */ | |
| 23 | |
| 24 /** | |
| 25 * @test | |
| 26 * @bug 8003280 | |
| 27 * @summary Add lambda tests | |
| 28 * Test instance method reference | |
| 29 * @compile MethodRef2.java | |
| 30 * @run main MethodRef2 | |
| 31 */ | |
| 32 | |
| 33 public class MethodRef2 { | |
| 34 | |
| 35 static interface A {String m();} | |
| 36 | |
| 37 static interface B {String m(int i);} | |
| 38 | |
| 39 private static void assertTrue(boolean cond) { | |
| 40 if (!cond) | |
| 41 throw new AssertionError(); | |
| 42 } | |
| 43 | |
| 44 String moo() { | |
| 45 return "moo"; | |
| 46 } | |
| 47 | |
| 48 String wahoo() { | |
| 49 return "wahoo"; | |
| 50 } | |
| 51 | |
| 52 String wahoo(int x) { | |
| 53 return "wahoo " + x; | |
| 54 } | |
| 55 | |
| 56 public static void main(String[] args) { | |
| 57 | |
| 58 MethodRef2 mr = new MethodRef2(); | |
| 59 | |
| 60 A a = mr::moo; //instance reference to moo() | |
| 61 assertTrue( a.m().equals("moo") ); | |
| 62 | |
| 63 a = new MethodRef2()::wahoo; //instance reference to wahoo() | |
| 64 assertTrue( a.m().equals("wahoo") ); | |
| 65 | |
| 66 B b = mr::wahoo; //instance reference to wahoo(int) | |
| 67 assertTrue( b.m(4).equals("wahoo 4") ); | |
| 68 } | |
| 69 } |
