66 lines
2.5 KiB
Java
66 lines
2.5 KiB
Java
/*
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* Copyright (c) 1999, 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 4224271
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* @summary A null Comparator is now specified to indicate natural ordering.
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*/
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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public class NullComparator {
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public static void main(String[] args) throws Exception {
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List list = new ArrayList(100);
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for (int i=0; i<100; i++)
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list.add(new Integer(i));
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List sorted = new ArrayList(list);
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Collections.shuffle(list);
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Object[] a = list.toArray();
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Arrays.sort(a, null);
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if (!Arrays.asList(a).equals(sorted))
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throw new Exception("Arrays.sort");
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a = list.toArray();
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Arrays.sort(a, 0, 100, null);
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if (!Arrays.asList(a).equals(sorted))
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throw new Exception("Arrays.sort(from, to)");
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if (Arrays.binarySearch(a, new Integer(69)) != 69)
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throw new Exception("Arrays.binarySearch");
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List tmp = new ArrayList(list);
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Collections.sort(tmp, null);
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if (!tmp.equals(sorted))
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throw new Exception("Collections.sort");
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if (Collections.binarySearch(tmp, new Integer(69)) != 69)
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throw new Exception("Collections.binarySearch");
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if (!Collections.min(list, null).equals(new Integer(0)))
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throw new Exception("Collections.min");
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if (!Collections.max(list, null).equals(new Integer(99)))
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throw new Exception("Collections.max");
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}
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}
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