Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/lambda/GenericMethodRefImplClass.java
test/tools/javac/lambda/GenericMethodRefImplClass.java
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| 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 8009582 | |
| 27 * @summary Method reference generic constructor gives: IllegalArgumentException: Invalid lambda deserialization | |
| 28 * @author Robert Field | |
| 29 * @run main GenericMethodRefImplClass | |
| 30 */ | |
| 31 | |
| 32 import java.io.*; | |
| 33 import java.util.*; | |
| 34 | |
| 35 public class GenericMethodRefImplClass { | |
| 36 | |
| 37 static int assertionCount = 0; | |
| 38 | |
| 39 static void assertTrue(boolean cond) { | |
| 40 assertionCount++; | |
| 41 if (!cond) | |
| 42 throw new AssertionError(); | |
| 43 } | |
| 44 | |
| 45 public static void main(String[] args) throws Exception { | |
| 46 try { | |
| 47 // Write lambdas out | |
| 48 ByteArrayOutputStream baos = new ByteArrayOutputStream(); | |
| 49 ObjectOutput out = new ObjectOutputStream(baos); | |
| 50 | |
| 51 write(out, HashMap::new ); | |
| 52 out.flush(); | |
| 53 out.close(); | |
| 54 | |
| 55 // Read them back | |
| 56 ByteArrayInputStream bais = | |
| 57 new ByteArrayInputStream(baos.toByteArray()); | |
| 58 ObjectInputStream in = new ObjectInputStream(bais); | |
| 59 readIt(in); | |
| 60 in.close(); | |
| 61 } catch (IOException e) { | |
| 62 e.printStackTrace(); | |
| 63 throw e; | |
| 64 } | |
| 65 assertTrue(assertionCount == 1); | |
| 66 } | |
| 67 | |
| 68 static void write(ObjectOutput out, GenericMethodRefImplClassLSI lamb) throws IOException { | |
| 69 out.writeObject(lamb); | |
| 70 } | |
| 71 | |
| 72 static void readIt(ObjectInputStream in) throws IOException, ClassNotFoundException { | |
| 73 GenericMethodRefImplClassLSI ls = (GenericMethodRefImplClassLSI) in.readObject(); | |
| 74 Map result = ls.convert(); | |
| 75 assertTrue(result.getClass().getName().equals("java.util.HashMap")); | |
| 76 } | |
| 77 } | |
| 78 | |
| 79 interface GenericMethodRefImplClassLSI extends Serializable { | |
| 80 Map convert(); | |
| 81 } |
