| /* |
| * Copyright (c) 1999, 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 4189641 |
| * @summary Wrapping a null collection/array should blow up sooner |
| * rather than later |
| */ |
| |
| import java.util.*; |
| |
| public class WrappedNull { |
| public static void main(String argv[]) throws Exception { |
| boolean testSucceeded = false; |
| try{ |
| List l = Arrays.asList(null); |
| } |
| catch (NullPointerException e) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("Arrays.asList"); |
| |
| testSucceeded = false; |
| try{ |
| Collection c = Collections.unmodifiableCollection(null); |
| } |
| catch (NullPointerException e) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("unmodifiableCollection"); |
| |
| testSucceeded = false; |
| try{ |
| Set c = Collections.unmodifiableSet(null); |
| } |
| catch (NullPointerException e) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("unmodifiableSet"); |
| |
| testSucceeded = false; |
| try{ |
| List c = Collections.unmodifiableList(null); |
| } |
| catch (NullPointerException e) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("unmodifiableList"); |
| |
| testSucceeded = false; |
| try{ |
| Map c = Collections.unmodifiableMap(null); |
| } |
| catch (NullPointerException e) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("unmodifiableMap"); |
| |
| testSucceeded = false; |
| try{ |
| SortedSet c = Collections.unmodifiableSortedSet(null); |
| } |
| catch (NullPointerException e) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("unmodifiableSortedSet"); |
| |
| testSucceeded = false; |
| try{ |
| SortedMap c = Collections.unmodifiableSortedMap(null); |
| } |
| catch (NullPointerException e) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("unmodifiableSortedMap"); |
| |
| testSucceeded = false; |
| try{ |
| Collection c = Collections.synchronizedCollection(null); |
| } |
| catch (NullPointerException e) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("synchronizedCollection"); |
| |
| testSucceeded = false; |
| try{ |
| Set c = Collections.synchronizedSet(null); |
| } |
| catch (NullPointerException e) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("synchronizedSet"); |
| |
| testSucceeded = false; |
| try{ |
| List c = Collections.synchronizedList(null); |
| } |
| catch (NullPointerException e) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("synchronizedList"); |
| |
| testSucceeded = false; |
| try{ |
| Map c = Collections.synchronizedMap(null); |
| } |
| catch (NullPointerException e) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("synchronizedMap"); |
| |
| testSucceeded = false; |
| try{ |
| SortedSet c = Collections.synchronizedSortedSet(null); |
| } |
| catch (NullPointerException e) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("synchronizedSortedSet"); |
| |
| testSucceeded = false; |
| try{ |
| SortedMap c = Collections.synchronizedSortedMap(null); |
| } |
| catch (NullPointerException e) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("synchronizedSortedMap"); |
| |
| // Make sure that non-null arguments don't throw exc. |
| List l = Arrays.asList(new Object[0]); |
| Collection c = Collections.unmodifiableCollection( |
| Collections.EMPTY_SET); |
| Set s = Collections.unmodifiableSet(Collections.EMPTY_SET); |
| l = Collections.unmodifiableList(Collections.EMPTY_LIST); |
| Map m = Collections.unmodifiableMap(Collections.EMPTY_MAP); |
| SortedSet ss = Collections.unmodifiableSortedSet(new TreeSet()); |
| SortedMap sm = Collections.unmodifiableSortedMap(new TreeMap()); |
| |
| c = Collections.synchronizedCollection(Collections.EMPTY_SET); |
| s = Collections.synchronizedSet(Collections.EMPTY_SET); |
| l = Collections.synchronizedList(Collections.EMPTY_LIST); |
| m = Collections.synchronizedMap(Collections.EMPTY_MAP); |
| ss = Collections.synchronizedSortedSet(new TreeSet()); |
| sm = Collections.synchronizedSortedMap(new TreeMap()); |
| } |
| } |