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 access to effectively final local variable from doubly nested lambda 29 * @run main LambdaExpr07 30 */ 31 32public class LambdaExpr07 { 33 34 interface Block<A, R> { 35 R apply(A x); 36 } 37 38 static int assertionCount = 0; 39 40 static void assertTrue(boolean cond) { 41 assertionCount++; 42 if (!cond) 43 throw new AssertionError(); 44 } 45 46 String S = "A"; 47 48 void test() { 49 Block<String, Block<String, String>> o = s1 -> s2 -> S + s1 + s2; 50 assertTrue(o.apply("B").apply("C").equals("ABC")); 51 } 52 53 public static void main(String[] args) { 54 new LambdaExpr07().test(); 55 assertTrue(assertionCount == 1); 56 } 57} 58