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 6250772 27 * @summary Test that *List objects are checked after asList is called. 28 * @author Eamonn McManus 29 * 30 * @run clean ListTypeCheckTest 31 * @run build ListTypeCheckTest 32 * @run main ListTypeCheckTest 33 */ 34 35 import java.lang.reflect.*; 36 import java.util.*; 37 import javax.management.*; 38 import javax.management.relation.*; 39 40 /* For compatibility reasons, the classes AttributeList, RoleList, 41 * and RoleUnresolvedList all extend ArrayList<Object> even though 42 * logically they should extend ArrayList<Attribute> etc. They are 43 * all specified to have a method asList() with return type 44 * List<Attribute> etc, and to refuse to add any object other than 45 * an Attribute etc once this method has been called, but not before. 46 */ 47 public class ListTypeCheckTest { 48 public static void main(String[] args) throws Exception { 49 Class[] classes = { 50 AttributeList.class, RoleList.class, RoleUnresolvedList.class, 51 }; 52 for (Class c : classes) 53 test((Class<? extends ArrayList>) c); 54 } 55 56 private static void test(Class<? extends ArrayList> c) throws Exception { 57 System.out.println("Testing " + c.getName()); 58 ArrayList al = c.newInstance(); 59 test(al); 60 } 61 62 private static void test(ArrayList al) throws Exception { 63 test(al, true); 64 al.clear(); 65 Method m = al.getClass().getMethod("asList"); 66 m.invoke(al); 67 test(al, false); 68 } 69 70 private static void test(ArrayList al, boolean allowsBogus) throws Exception { 71 for (int i = 0; i < 5; i++) { 72 try { 73 switch (i) { 74 case 0: 75 al.add("yo"); 76 break; 77 case 1: 78 al.add(0, "yo"); 79 break; 80 case 2: 81 al.addAll(Arrays.asList("foo", "bar")); 82 break; 83 case 3: 84 al.addAll(0, Arrays.asList("foo", "bar")); 85 break; 86 case 4: 87 al.set(0, "foo"); 88 break; 89 default: 90 throw new Exception("test wrong"); 91 } 92 if (!allowsBogus) 93 throw new Exception("op allowed but should fail"); 94 } catch (IllegalArgumentException e) { 95 if (allowsBogus) 96 throw new Exception("got exception but should not", e); 97 } 98 } 99 } 100 }