1/* 2 * Copyright (c) 2005, 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 6310858 27 * @summary Tests for toArray 28 * @author Martin Buchholz 29 */ 30 31import java.util.*; 32 33public class ToArray { 34 enum Country { FRENCH, POLISH } 35 public static void main(String[] args) throws Throwable { 36 Map<Country, String> m = new EnumMap<Country, String>(Country.class); 37 m.put(Country.FRENCH, "connection"); 38 m.put(Country.POLISH, "sausage"); 39 40 Object[] z = m.entrySet().toArray(); 41 System.out.println(Arrays.toString(z)); 42 if (! (z.getClass() == Object[].class && 43 z.length == 2 && 44 ((Map.Entry)z[0]).getKey() == Country.FRENCH && 45 ((Map.Entry)z[1]).getKey() == Country.POLISH)) 46 throw new AssertionError(); 47 48 Map.Entry[] x1 = new Map.Entry[3]; 49 x1[2] = m.entrySet().iterator().next(); 50 Map.Entry[] x2 = m.entrySet().toArray(x1); 51 System.out.println(Arrays.toString(x2)); 52 if (! (x1 == x2 && 53 x2[0].getKey() == Country.FRENCH && 54 x2[1].getKey() == Country.POLISH && 55 x2[2] == null)) 56 throw new AssertionError(); 57 58 Map.Entry[] y1 = new Map.Entry[1]; 59 Map.Entry[] y2 = m.entrySet().toArray(y1); 60 System.out.println(Arrays.toString(y2)); 61 if (! (y1 != y2 && 62 y2.length == 2 && 63 y2[0].getKey() == Country.FRENCH && 64 y2[1].getKey() == Country.POLISH)) 65 throw new AssertionError(); 66 } 67} 68