LambdaClassFinal.java revision 6904:06dfdfa8c3e6
1/* 2 * Copyright (c) 2013, 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 8012028 27 * @summary Generated Lambda implementing class should be final 28 */ 29 30import java.lang.reflect.Modifier; 31import java.io.Serializable; 32 33public class LambdaClassFinal { 34 35 interface I { 36 void m(); 37 } 38 39 interface Iser extends Serializable { 40 void m(); 41 } 42 43 static void assertTrue(boolean cond) { 44 if (!cond) 45 throw new AssertionError(); 46 } 47 48 public static void main(String[] args) throws Exception { 49 new LambdaClassFinal().test(); 50 } 51 52 void test() throws Exception { 53 I lam = () -> { }; 54 assertTrue((lam.getClass().getModifiers() & Modifier.FINAL) != 0); 55 Iser slam = () -> { }; 56 assertTrue((slam.getClass().getModifiers() & Modifier.FINAL) != 0); 57 } 58} 59