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 8010010 27@summary NPE generating serializedLambdaName for nested lambda 28*/ 29 30import java.io.*; 31import java.util.Map; 32import java.util.HashMap; 33 34public class LambdaLambdaSerialized { 35 36 static int assertionCount = 0; 37 38 static void assertTrue(boolean cond) { 39 assertionCount++; 40 if (!cond) 41 throw new AssertionError(); 42 } 43 44 public static void main(String[] args) throws Exception { 45 try { 46 // Write lambdas out 47 ByteArrayOutputStream baos = new ByteArrayOutputStream(); 48 ObjectOutput out = new ObjectOutputStream(baos); 49 LSI<LSI<Map>> ssi = () -> (() -> new HashMap()); 50 write(out, ssi ); 51 out.flush(); 52 out.close(); 53 54 // Read them back 55 ByteArrayInputStream bais = 56 new ByteArrayInputStream(baos.toByteArray()); 57 ObjectInputStream in = new ObjectInputStream(bais); 58 readAssert(in, "[X]"); 59 in.close(); 60 } catch (IOException e) { 61 e.printStackTrace(); 62 throw e; 63 } 64 } 65 66 static void write(ObjectOutput out, LSI<LSI<Map>> lamb) throws IOException { 67 out.writeObject(lamb); 68 } 69 70 static void readAssert(ObjectInputStream in, String expected) throws IOException, ClassNotFoundException { 71 LSI<LSI<Map>> ls = (LSI<LSI<Map>>)in.readObject(); 72 Map result = ls.get().get(); 73 System.out.printf("Result: %s\n", result); 74 } 75 76 interface LSI<T> extends Serializable { 77 T get(); 78 } 79} 80