102 lines
4.0 KiB
Java
102 lines
4.0 KiB
Java
/*
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* Copyright (c) 2019, 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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/*
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* @test
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* @bug 8227368
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* @summary Test deserialization of a stream containing EnumSet.class object
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*/
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import java.util.EnumSet;
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import java.util.stream.Collectors;
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import java.util.stream.IntStream;
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public class EnumSetClassSerialization {
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public static void main(String[] args) throws Exception {
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// EnumSet.class object serialized with JDK 8
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int[] bytes = {
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0xac, 0xed, 0x00, 0x05, 0x76, 0x72, 0x00, 0x11, 0x6a, 0x61, 0x76, 0x61, 0x2e, 0x75, 0x74, 0x69,
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0x6c, 0x2e, 0x45, 0x6e, 0x75, 0x6d, 0x53, 0x65, 0x74, 0x0e, 0x03, 0x21, 0x6a, 0xcd, 0x8c, 0x29,
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0xdd, 0x02, 0x00, 0x02, 0x4c, 0x00, 0x0b, 0x65, 0x6c, 0x65, 0x6d, 0x65, 0x6e, 0x74, 0x54, 0x79,
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0x70, 0x65, 0x74, 0x00, 0x11, 0x4c, 0x6a, 0x61, 0x76, 0x61, 0x2f, 0x6c, 0x61, 0x6e, 0x67, 0x2f,
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0x43, 0x6c, 0x61, 0x73, 0x73, 0x3b, 0x5b, 0x00, 0x08, 0x75, 0x6e, 0x69, 0x76, 0x65, 0x72, 0x73,
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0x65, 0x74, 0x00, 0x11, 0x5b, 0x4c, 0x6a, 0x61, 0x76, 0x61, 0x2f, 0x6c, 0x61, 0x6e, 0x67, 0x2f,
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0x45, 0x6e, 0x75, 0x6d, 0x3b, 0x78, 0x70
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};
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InputStream in = new InputStream() {
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int i = 0;
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@Override
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public int read() {
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return i < bytes.length ? bytes[i++] & 0xFF : -1;
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}
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};
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ObjectInputStream ois = new ObjectInputStream(in);
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Object res = ois.readObject();
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if (res != EnumSet.class) {
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throw new AssertionError(
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"Expected: " + EnumSet.class + ", got: " + res);
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}
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}
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/**
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* This class can be used to print out lines that constitute
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* the 'bytes' variable initializer in the test.
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*/
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public static class Serializer {
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public static void main(String[] args) 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(EnumSet.class);
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oos.close();
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byte[] bytes = baos.toByteArray();
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int bpl = 16;
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System.out.print(
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IntStream
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.range(0, (bytes.length + bpl - 1) / bpl)
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.mapToObj(i -> IntStream
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.range(
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i * bpl,
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Math.min(i * bpl + bpl, bytes.length)
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)
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.mapToObj(ii -> {
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String s = Integer.toHexString(bytes[ii] & 0xFF);
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return s.length() == 1 ? "0x0" + s : "0x" + s;
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})
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.collect(Collectors.joining(", "))
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)
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.collect(Collectors.joining(",\n ", "int[] bytes = {\n ", "\n};"))
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);
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}
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}
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}
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