1 /* 2 * Copyright (c) 2005, 2015, 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 6204469 27 * @summary Test ImmutableDescriptor serialization. 28 * @author Eamonn McManus 29 * @modules java.management 30 * @run clean ImmutableDescriptorSerialTest 31 * @run build ImmutableDescriptorSerialTest 32 * @run main ImmutableDescriptorSerialTest 33 */ 34 35 import java.io.ByteArrayInputStream; 36 import java.io.ByteArrayOutputStream; 37 import java.io.ObjectInputStream; 38 import java.io.ObjectOutputStream; 39 import java.util.Arrays; 40 import java.util.HashSet; 41 import java.util.Set; 42 import javax.management.Descriptor; 43 import javax.management.ImmutableDescriptor; 44 45 public class ImmutableDescriptorSerialTest { 46 public static void main(String[] args) throws Exception { 47 System.out.println("Test that ImmutableDescriptor.EMPTY_DESCRIPTOR " + 48 "deserializes identically"); 49 if (serialize(ImmutableDescriptor.EMPTY_DESCRIPTOR) != 50 ImmutableDescriptor.EMPTY_DESCRIPTOR) { 51 throw new Exception("ImmutableDescriptor.EMPTY_DESCRIPTOR did not " + 52 "deserialize identically"); 53 } 54 System.out.println("...OK"); 55 56 System.out.println("Test that serialization preserves case and " + 57 "that deserialized object is case-insensitive"); 58 Descriptor d = new ImmutableDescriptor("a=aval", "B=Bval", "cC=cCval"); 59 Descriptor d1 = serialize(d); 60 Set<String> keys = new HashSet(Arrays.asList(d1.getFieldNames())); 61 if (keys.size() != 3 || 62 !keys.containsAll(Arrays.asList("a", "B", "cC"))) { 63 throw new Exception("Keys don't match: " + keys); 64 } 65 for (String key : keys) { 66 String value = (String) d.getFieldValue(key); 67 for (String t : 68 Arrays.asList(key, key.toLowerCase(), key.toUpperCase())) { 69 String tvalue = (String) d1.getFieldValue(t); 70 if (!tvalue.equals(value)) { 71 throw new Exception("Value of " + key + " for " + 72 "deserialized object does not match: " + 73 tvalue + " should be " + value); 74 } 75 } 76 } 77 System.out.println("...OK"); 78 } 79 80 private static <T> T serialize(T x) throws Exception { 81 ByteArrayOutputStream bout = new ByteArrayOutputStream(); 82 ObjectOutputStream oout = new ObjectOutputStream(bout); 83 oout.writeObject(x); 84 oout.close(); 85 byte[] bytes = bout.toByteArray(); 86 ByteArrayInputStream bin = new ByteArrayInputStream(bytes); 87 ObjectInputStream oin = new ObjectInputStream(bin); 88 return (T) oin.readObject(); 89 } 90 }