86 lines
3.0 KiB
Java
86 lines
3.0 KiB
Java
/*
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* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import java.io.Serializable;
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import java.nio.charset.*;
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import java.util.concurrent.Callable;
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/*
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* Testcase for verifying deserializeLambda containing a non-ASCII mappable char
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* is correctly handled as UTF-8
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*/
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public class TestLambdaFileEncodingSerialization {
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public static class ABCâ implements Serializable {
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public String msg;
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public ABCâ() {
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msg = "Hello world";
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}
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public static Callable<ABCâ> getHello() {
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return (Callable<ABCâ> & Serializable) () -> {
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return new ABCâ();
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};
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}
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}
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// Re-serialize the object containing the lambda
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private static <T> T reserialize(T o) throws IOException {
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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ObjectOutputStream oos = new ObjectOutputStream(baos);
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oos.writeObject(o);
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oos.close();
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ObjectInputStream iis = new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray()));
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try {
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o = (T)iis.readObject();
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} catch (ClassNotFoundException e) {
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throw new IOException(e);
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}
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iis.close();
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return o;
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}
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public static void main(String args[]) throws Exception{
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System.out.println("Default charset = "+Charset.defaultCharset());
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// Construct class containing suitable UTF-8 char
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Callable<ABCâ> foo = ABCâ.getHello();
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ABCâ hello = new ABCâ();
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// re-serialize hello
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ABCâ rh = reserialize(hello);
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System.out.println(rh.msg);
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// re-serialize foo and call()
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reserialize(foo).call();
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}
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}
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