| /* |
| * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 8227368 |
| * @summary Test deserialization of a stream containing EnumSet.class object |
| */ |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.util.EnumSet; |
| import java.util.stream.Collectors; |
| import java.util.stream.IntStream; |
| |
| public class EnumSetClassSerialization { |
| |
| public static void main(String[] args) throws Exception { |
| // EnumSet.class object serialized with JDK 8 |
| int[] bytes = { |
| 0xac, 0xed, 0x00, 0x05, 0x76, 0x72, 0x00, 0x11, 0x6a, 0x61, 0x76, 0x61, 0x2e, 0x75, 0x74, 0x69, |
| 0x6c, 0x2e, 0x45, 0x6e, 0x75, 0x6d, 0x53, 0x65, 0x74, 0x0e, 0x03, 0x21, 0x6a, 0xcd, 0x8c, 0x29, |
| 0xdd, 0x02, 0x00, 0x02, 0x4c, 0x00, 0x0b, 0x65, 0x6c, 0x65, 0x6d, 0x65, 0x6e, 0x74, 0x54, 0x79, |
| 0x70, 0x65, 0x74, 0x00, 0x11, 0x4c, 0x6a, 0x61, 0x76, 0x61, 0x2f, 0x6c, 0x61, 0x6e, 0x67, 0x2f, |
| 0x43, 0x6c, 0x61, 0x73, 0x73, 0x3b, 0x5b, 0x00, 0x08, 0x75, 0x6e, 0x69, 0x76, 0x65, 0x72, 0x73, |
| 0x65, 0x74, 0x00, 0x11, 0x5b, 0x4c, 0x6a, 0x61, 0x76, 0x61, 0x2f, 0x6c, 0x61, 0x6e, 0x67, 0x2f, |
| 0x45, 0x6e, 0x75, 0x6d, 0x3b, 0x78, 0x70 |
| }; |
| |
| InputStream in = new InputStream() { |
| int i = 0; |
| |
| @Override |
| public int read() { |
| return i < bytes.length ? bytes[i++] & 0xFF : -1; |
| } |
| }; |
| ObjectInputStream ois = new ObjectInputStream(in); |
| |
| Object res = ois.readObject(); |
| |
| if (res != EnumSet.class) { |
| throw new AssertionError( |
| "Expected: " + EnumSet.class + ", got: " + res); |
| } |
| } |
| |
| /** |
| * This class can be used to print out lines that constitute |
| * the 'bytes' variable initializer in the test. |
| */ |
| public static class Serializer { |
| public static void main(String[] args) throws IOException { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| ObjectOutputStream oos = new ObjectOutputStream(baos); |
| oos.writeObject(EnumSet.class); |
| oos.close(); |
| byte[] bytes = baos.toByteArray(); |
| int bpl = 16; |
| System.out.print( |
| IntStream |
| .range(0, (bytes.length + bpl - 1) / bpl) |
| .mapToObj(i -> IntStream |
| .range( |
| i * bpl, |
| Math.min(i * bpl + bpl, bytes.length) |
| ) |
| .mapToObj(ii -> { |
| String s = Integer.toHexString(bytes[ii] & 0xFF); |
| return s.length() == 1 ? "0x0" + s : "0x" + s; |
| }) |
| .collect(Collectors.joining(", ")) |
| ) |
| .collect(Collectors.joining(",\n ", "int[] bytes = {\n ", "\n};")) |
| ); |
| } |
| } |
| } |