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 package test.java.util.EnumMap; 25 26 /* 27 * @test 28 * @bug 6310858 29 * @summary Tests for toArray 30 * @author Martin Buchholz 31 */ 32 33 import java.util.*; 34 35 public class ToArray { 36 enum Country { FRENCH, POLISH } main(String[] args)37 public static void main(String[] args) throws Throwable { 38 Map<Country, String> m = new EnumMap<Country, String>(Country.class); 39 m.put(Country.FRENCH, "connection"); 40 m.put(Country.POLISH, "sausage"); 41 42 Object[] z = m.entrySet().toArray(); 43 System.out.println(Arrays.toString(z)); 44 if (! (z.getClass() == Object[].class && 45 z.length == 2 && 46 ((Map.Entry)z[0]).getKey() == Country.FRENCH && 47 ((Map.Entry)z[1]).getKey() == Country.POLISH)) 48 throw new AssertionError(); 49 50 Map.Entry[] x1 = new Map.Entry[3]; 51 x1[2] = m.entrySet().iterator().next(); 52 Map.Entry[] x2 = m.entrySet().toArray(x1); 53 System.out.println(Arrays.toString(x2)); 54 if (! (x1 == x2 && 55 x2[0].getKey() == Country.FRENCH && 56 x2[1].getKey() == Country.POLISH && 57 x2[2] == null)) 58 throw new AssertionError(); 59 60 Map.Entry[] y1 = new Map.Entry[1]; 61 Map.Entry[] y2 = m.entrySet().toArray(y1); 62 System.out.println(Arrays.toString(y2)); 63 if (! (y1 != y2 && 64 y2.length == 2 && 65 y2[0].getKey() == Country.FRENCH && 66 y2[1].getKey() == Country.POLISH)) 67 throw new AssertionError(); 68 } 69 } 70