| /* |
| * 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 6739302 |
| * @summary Check that deserialization preserves EnumSet integrity |
| * @author Josh Bloch |
| */ |
| |
| import java.util.*; |
| import java.io.*; |
| |
| public class BogusEnumSet { |
| public static void main(String[] args) throws Throwable { |
| // This test depends on the current serialVersionUID of EnumSet, |
| // which may change if the EnumSet class is modified. |
| // The current value is 4168005130090799668L = 0x39D7BA9531116234L |
| // If the value changes, it will have to be patched into the |
| // serialized byte stream below at the location noted. |
| byte[] serializedForm = { |
| (byte)0xac, (byte)0xed, 0x0, 0x5, 0x73, 0x72, 0x0, 0x18, |
| 0x6a, 0x61, 0x76, 0x61, 0x2e, 0x75, 0x74, 0x69, |
| 0x6c, 0x2e, 0x52, 0x65, 0x67, 0x75, 0x6c, 0x61, 0x72, 0x45, |
| 0x6e, 0x75, 0x6d, 0x53, 0x65, 0x74, 0x2f, 0x58, 0x6f, (byte)0xc7, |
| 0x7e, (byte)0xb0, (byte)0xd0, 0x7e, 0x2, 0x0, 0x1, 0x4a, 0x0, 0x8, |
| 0x65, 0x6c, 0x65, 0x6d, 0x65, 0x6e, 0x74, 0x73, 0x78, 0x72, 0x0, |
| 0x11, 0x6a, 0x61, 0x76, 0x61, 0x2e, 0x75, 0x74, 0x69, |
| 0x6c, 0x2e, 0x45, 0x6e, 0x75, 0x6d, 0x53, 0x65, 0x74, |
| // EnumSet's serialVersionUID is the following eight bytes (big-endian) |
| 0x39, (byte)0xd7, (byte)0xba, (byte)0x95, 0x31, 0x11, 0x62, 0x34, |
| 0x2, 0x0, 0x2, 0x4c, 0x0, 0xb, 0x65, 0x6c, 0x65, 0x6d, 0x65, 0x6e, 0x74, |
| 0x54, 0x79, 0x70, 0x65, 0x74, 0x0, 0x11, 0x4c, 0x6a, 0x61, 0x76, |
| 0x61, 0x2f, 0x6c, 0x61, 0x6e, 0x67, 0x2f, 0x43, 0x6c, 0x61, 0x73, |
| 0x73, 0x3b, 0x5b, 0x0, 0x8, 0x75, 0x6e, 0x69, 0x76, 0x65, 0x72, |
| 0x73, 0x65, 0x74, 0x0, 0x11, 0x5b, 0x4c, 0x6a, 0x61, 0x76, 0x61, |
| 0x2f, 0x6c, 0x61, 0x6e, 0x67, 0x2f, 0x45, 0x6e, 0x75, 0x6d, 0x3b, |
| 0x78, 0x70, 0x76, 0x72, 0x0, 0x16, 0x6a, 0x61, 0x76, 0x61, 0x2e, |
| 0x6c, 0x61, 0x6e, 0x67, 0x2e, 0x54, 0x68, 0x72, 0x65, 0x61, |
| 0x64, 0x24, 0x53, 0x74, 0x61, 0x74, 0x65, 0x0, 0x0, 0x0, 0x0, 0x0, |
| 0x0, 0x0, 0x0, 0x12, 0x0, 0x0, 0x78, 0x72, 0x0, 0xe, 0x6a, 0x61, |
| 0x76, 0x61, 0x2e, 0x6c, 0x61, 0x6e, 0x67, 0x2e, 0x45, 0x6e, 0x75, |
| 0x6d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x12, 0x0, 0x0, 0x78, |
| 0x70, 0x75, 0x72, 0x0, 0x19, 0x5b, 0x4c, 0x6a, 0x61, 0x76, 0x61, |
| 0x2e, 0x6c, 0x61, 0x6e, 0x67, 0x2e, 0x54, 0x68, 0x72, 0x65, 0x61, |
| 0x64, 0x24, 0x53, 0x74, 0x61, 0x74, 0x65, 0x3b, 0x68, (byte)0xa3, |
| (byte)0xb5, (byte)0xd5, 0x11, 0x7d, 0x1b, (byte)0xb3, 0x2, 0x0, |
| 0x0, 0x78, 0x70, 0x0, 0x0, 0x0, 0x6, 0x7e, 0x71, 0x0, 0x7e, 0x0, |
| 0x5, 0x74, 0x0, 0x3, 0x4e, 0x45, 0x57, 0x7e, 0x71, 0x0, 0x7e, 0x0, |
| 0x5, 0x74, 0x0, 0x8, 0x52, 0x55, 0x4e, 0x4e, 0x41, 0x42, 0x4c, 0x45, |
| 0x7e, 0x71, 0x0, 0x7e, 0x0, 0x5, 0x74, 0x0, 0x7, 0x42, 0x4c, 0x4f, |
| 0x43, 0x4b, 0x45, 0x44, 0x7e, 0x71, 0x0, 0x7e, 0x0, 0x5, 0x74, 0x0, |
| 0x7, 0x57, 0x41, 0x49, 0x54, 0x49, 0x4e, 0x47, 0x7e, 0x71, 0x0, |
| 0x7e, 0x0, 0x5, 0x74, 0x0, 0xd, 0x54, 0x49, 0x4d, 0x45, 0x44, |
| 0x5f, 0x57, 0x41, 0x49, 0x54, 0x49, 0x4e, 0x47, 0x7e, 0x71, 0x0, |
| 0x7e, 0x0, 0x5, 0x74, 0x0, 0xa, 0x54, 0x45, 0x52, 0x4d, 0x49, |
| 0x4e, 0x41, 0x54, 0x45, 0x44, (byte)0xff, (byte)0xff, (byte)0xff, |
| (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff |
| }; |
| |
| try { |
| // Should fail, but instead creates corrupt EnumSet |
| @SuppressWarnings("unchecked") |
| EnumSet<Thread.State> es = (EnumSet<Thread.State>) |
| deserialize(serializedForm); |
| |
| // Demonstrates corruption |
| System.out.println("Enum size: " + Thread.State.values().length); // 6 |
| System.out.println("Set size: " + es.size()); // 64 |
| System.out.println("Set: " + es); // Throws IndexOutOfBoundsException |
| throw new AssertionError("Expected exception InvalidObjectException not thrown"); |
| } catch (java.io.InvalidObjectException expected) { /* OK */ } |
| } |
| |
| private static Object deserialize(byte[] sf) throws Throwable { |
| return new ObjectInputStream( |
| new ByteArrayInputStream(sf)) |
| .readObject(); |
| } |
| } |