Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/lambda/MethodReference34.java
test/tools/javac/lambda/MethodReference34.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 * check that code generation handles void-compatibility correctly | |
| 29 * @run main MethodReference34 | |
| 30 */ | |
| 31 | |
| 32 public class MethodReference34 { | |
| 33 | |
| 34 static int assertionCount = 0; | |
| 35 | |
| 36 static void assertTrue(boolean cond) { | |
| 37 assertionCount++; | |
| 38 if (!cond) | |
| 39 throw new AssertionError(); | |
| 40 } | |
| 41 | |
| 42 interface SAM_void<X> { | |
| 43 void m(); | |
| 44 } | |
| 45 | |
| 46 interface SAM_java_lang_Void<X> { | |
| 47 void m(); | |
| 48 } | |
| 49 | |
| 50 static void m_void() { assertTrue(true); } | |
| 51 | |
| 52 static Void m_java_lang_Void() { assertTrue(true); return null; } | |
| 53 | |
| 54 public static void main(String[] args) { | |
| 55 SAM_void s1 = MethodReference34::m_void; | |
| 56 s1.m(); | |
| 57 SAM_java_lang_Void s2 = MethodReference34::m_void; | |
| 58 s2.m(); | |
| 59 SAM_void s3 = MethodReference34::m_java_lang_Void; | |
| 60 s3.m(); | |
| 61 SAM_java_lang_Void s4 = MethodReference34::m_java_lang_Void; | |
| 62 s4.m(); | |
| 63 assertTrue(assertionCount == 4); | |
| 64 } | |
| 65 } |
