1/* 2 * Copyright (c) 2001, 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/* @test 25 * @bug 4402227 26 * @summary Verify that ObjectStreamClass.lookup() functions properly 27 * for interfaces. 28 */ 29 30import java.io.*; 31 32interface Foo extends Serializable { 33 static final long serialVersionUID = 0xCAFE; 34} 35 36interface Bar extends Externalizable { 37 static final long serialVersionUID = 0xBABE; 38} 39 40interface Gub { 41} 42 43public class LookupInterfaceDesc { 44 public static void main(String[] args) throws Exception { 45 ObjectStreamClass desc = ObjectStreamClass.lookup(Foo.class); 46 if ((desc.getSerialVersionUID() != Foo.serialVersionUID) || 47 (desc.getFields().length != 0)) 48 { 49 throw new Error(); 50 } 51 52 desc = ObjectStreamClass.lookup(Bar.class); 53 if ((desc.getSerialVersionUID() != Bar.serialVersionUID) || 54 (desc.getFields().length != 0)) 55 { 56 throw new Error(); 57 } 58 59 if (ObjectStreamClass.lookup(Gub.class) != null) { 60 throw new Error(); 61 } 62 } 63} 64