| /* |
| * Copyright (c) 1997, 1998, 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 4093817 4189594 |
| @summary Test for an illegalargumentexception on loadFactor |
| */ |
| |
| |
| |
| import java.util.*; |
| |
| /** |
| * This class tests to see if creating a hash table with an |
| * illegal value of loadFactor results in an IllegalArgumentException |
| */ |
| public class IllegalLoadFactor { |
| |
| public static void main(String argv[]) throws Exception { |
| boolean testSucceeded = false; |
| try{ |
| // this should generate an IllegalArgumentException |
| Hashtable bad1 = new Hashtable(100, -3); |
| } |
| catch (IllegalArgumentException e1) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("Hashtable, negative load factor"); |
| |
| testSucceeded = false; |
| try{ |
| // this should generate an IllegalArgumentException |
| Hashtable bad1 = new Hashtable(100, Float.NaN); |
| } |
| catch (IllegalArgumentException e1) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("Hashtable, NaN load factor"); |
| |
| testSucceeded = false; |
| try{ |
| // this should generate an IllegalArgumentException |
| HashMap bad1 = new HashMap(100, -3); |
| } |
| catch (IllegalArgumentException e1) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("HashMap, negative load factor"); |
| |
| testSucceeded = false; |
| try{ |
| // this should generate an IllegalArgumentException |
| HashMap bad1 = new HashMap(100, Float.NaN); |
| } |
| catch (IllegalArgumentException e1) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("HashMap, NaN load factor"); |
| |
| |
| testSucceeded = false; |
| try{ |
| // this should generate an IllegalArgumentException |
| HashSet bad1 = new HashSet(100, -3); |
| } |
| catch (IllegalArgumentException e1) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("HashSet, negative load factor"); |
| |
| testSucceeded = false; |
| try{ |
| // this should generate an IllegalArgumentException |
| HashSet bad1 = new HashSet(100, Float.NaN); |
| } |
| catch (IllegalArgumentException e1) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("HashSet, NaN load factor"); |
| |
| testSucceeded = false; |
| try{ |
| // this should generate an IllegalArgumentException |
| WeakHashMap bad1 = new WeakHashMap(100, -3); |
| } |
| catch (IllegalArgumentException e1) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("WeakHashMap, negative load factor"); |
| |
| testSucceeded = false; |
| try{ |
| // this should generate an IllegalArgumentException |
| WeakHashMap bad1 = new WeakHashMap(100, Float.NaN); |
| } |
| catch (IllegalArgumentException e1) { |
| testSucceeded = true; |
| } |
| if(!testSucceeded) |
| throw new Exception("WeakHashMap, NaN load factor"); |
| |
| // Make sure that legal creates don't throw exceptions |
| Map goodMap = new Hashtable(100, .69f); |
| goodMap = new HashMap(100, .69f); |
| Set goodSet = new HashSet(100, .69f); |
| goodMap = new WeakHashMap(100, .69f); |
| } |
| |
| } |