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 8004969 27@summary Lambda deserialization 28 29*/ 30 31import java.io.*; 32 33public class T8004969 implements Serializable { 34 35 static int assertionCount = 0; 36 37 static void assertTrue(boolean cond) { 38 assertionCount++; 39 if (!cond) 40 throw new AssertionError(); 41 } 42 43 static String mm(String s) { return "mref" + s; } 44 45 String aField = "aF"; 46 47 public static void main(String[] args) throws Exception { 48 (new T8004969()).doit(); 49 } 50 51 public void doit() throws Exception { 52 String aLocal = "aL"; 53 int anInt = 99; 54 55 try { 56 // Write lambdas out 57 ByteArrayOutputStream baos = new ByteArrayOutputStream(); 58 ObjectOutput out = new ObjectOutputStream(baos); 59 60 write(out, z -> "[" + z + "]" ); 61 write(out, z -> { String x = z + z; return x + x; } ); 62 write(out, T8004969::mm ); 63 write(out, z -> (new LSI() { public String convert(String x) { return "*"+x; }} ).convert(z) ); 64 write(out, z -> aField + z ); 65 write(out, z -> aLocal + z ); 66 write(out, z -> z + anInt ); 67 out.flush(); 68 out.close(); 69 70 // Read them back 71 ByteArrayInputStream bais = 72 new ByteArrayInputStream(baos.toByteArray()); 73 ObjectInputStream in = new ObjectInputStream(bais); 74 readAssert(in, "[X]"); 75 readAssert(in, "XXXX"); 76 readAssert(in, "mrefX"); 77 readAssert(in, "*X"); 78 readAssert(in, "aFX"); 79 readAssert(in, "aLX"); 80 readAssert(in, "X99"); 81 in.close(); 82 } catch (IOException e) { 83 e.printStackTrace(); 84 throw e; 85 } 86 assertTrue(assertionCount == 7); 87 } 88 89 static void write(ObjectOutput out, LSI lamb) throws IOException { 90 out.writeObject(lamb); 91 } 92 93 static void readAssert(ObjectInputStream in, String expected) throws IOException, ClassNotFoundException { 94 LSI ls = (LSI) in.readObject(); 95 String result = ls.convert("X"); 96 System.out.printf("Result: %s\n", result); 97 assertTrue(result.equals(expected)); 98 } 99} 100 101interface LSI extends Serializable { 102 String convert(String x); 103} 104