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/*
* Copyright (c) 2003, 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 4193200
* @summary Basic test for Collections.frequency
* @author Josh Bloch
*/
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
public class Frequency {
static final int N = 100;
public static void main(String[] args) {
test(new ArrayList<Integer>());
test(new LinkedList<Integer>());
}
static void test(List<Integer> list) {
for (int i = 0; i < N; i++)
for (int j = 0; j < i; j++)
list.add(i);
Collections.shuffle(list);
for (int i = 0; i < N; i++)
if (Collections.frequency(list, i) != i)
throw new RuntimeException(list.getClass() + ": " + i);
}
}
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