1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/test/tools/javac/lambda/GenericMethodRefImplClass.java Wed Apr 27 01:34:52 2016 +0800 1.3 @@ -0,0 +1,81 @@ 1.4 +/* 1.5 + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. 1.11 + * 1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.15 + * version 2 for more details (a copy is included in the LICENSE file that 1.16 + * accompanied this code). 1.17 + * 1.18 + * You should have received a copy of the GNU General Public License version 1.19 + * 2 along with this work; if not, write to the Free Software Foundation, 1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.21 + * 1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.23 + * or visit www.oracle.com if you need additional information or have any 1.24 + * questions. 1.25 + */ 1.26 + 1.27 +/* 1.28 + * @test 1.29 + * @bug 8009582 1.30 + * @summary Method reference generic constructor gives: IllegalArgumentException: Invalid lambda deserialization 1.31 + * @author Robert Field 1.32 + * @run main GenericMethodRefImplClass 1.33 + */ 1.34 + 1.35 +import java.io.*; 1.36 +import java.util.*; 1.37 + 1.38 +public class GenericMethodRefImplClass { 1.39 + 1.40 + static int assertionCount = 0; 1.41 + 1.42 + static void assertTrue(boolean cond) { 1.43 + assertionCount++; 1.44 + if (!cond) 1.45 + throw new AssertionError(); 1.46 + } 1.47 + 1.48 + public static void main(String[] args) throws Exception { 1.49 + try { 1.50 + // Write lambdas out 1.51 + ByteArrayOutputStream baos = new ByteArrayOutputStream(); 1.52 + ObjectOutput out = new ObjectOutputStream(baos); 1.53 + 1.54 + write(out, HashMap::new ); 1.55 + out.flush(); 1.56 + out.close(); 1.57 + 1.58 + // Read them back 1.59 + ByteArrayInputStream bais = 1.60 + new ByteArrayInputStream(baos.toByteArray()); 1.61 + ObjectInputStream in = new ObjectInputStream(bais); 1.62 + readIt(in); 1.63 + in.close(); 1.64 + } catch (IOException e) { 1.65 + e.printStackTrace(); 1.66 + throw e; 1.67 + } 1.68 + assertTrue(assertionCount == 1); 1.69 + } 1.70 + 1.71 + static void write(ObjectOutput out, GenericMethodRefImplClassLSI lamb) throws IOException { 1.72 + out.writeObject(lamb); 1.73 + } 1.74 + 1.75 + static void readIt(ObjectInputStream in) throws IOException, ClassNotFoundException { 1.76 + GenericMethodRefImplClassLSI ls = (GenericMethodRefImplClassLSI) in.readObject(); 1.77 + Map result = ls.convert(); 1.78 + assertTrue(result.getClass().getName().equals("java.util.HashMap")); 1.79 + } 1.80 +} 1.81 + 1.82 +interface GenericMethodRefImplClassLSI extends Serializable { 1.83 + Map convert(); 1.84 +}