68 lines
2.5 KiB
Java
68 lines
2.5 KiB
Java
/*
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* Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 6310858
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* @summary Tests for toArray
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* @author Martin Buchholz
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*/
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import java.util.*;
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public class ToArray {
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enum Country { FRENCH, POLISH }
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public static void main(String[] args) throws Throwable {
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Map<Country, String> m = new EnumMap<Country, String>(Country.class);
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m.put(Country.FRENCH, "connection");
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m.put(Country.POLISH, "sausage");
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Object[] z = m.entrySet().toArray();
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System.out.println(Arrays.toString(z));
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if (! (z.getClass() == Object[].class &&
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z.length == 2 &&
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((Map.Entry)z[0]).getKey() == Country.FRENCH &&
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((Map.Entry)z[1]).getKey() == Country.POLISH))
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throw new AssertionError();
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Map.Entry[] x1 = new Map.Entry[3];
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x1[2] = m.entrySet().iterator().next();
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Map.Entry[] x2 = m.entrySet().toArray(x1);
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System.out.println(Arrays.toString(x2));
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if (! (x1 == x2 &&
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x2[0].getKey() == Country.FRENCH &&
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x2[1].getKey() == Country.POLISH &&
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x2[2] == null))
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throw new AssertionError();
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Map.Entry[] y1 = new Map.Entry[1];
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Map.Entry[] y2 = m.entrySet().toArray(y1);
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System.out.println(Arrays.toString(y2));
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if (! (y1 != y2 &&
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y2.length == 2 &&
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y2[0].getKey() == Country.FRENCH &&
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y2[1].getKey() == Country.POLISH))
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throw new AssertionError();
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}
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}
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