54 lines
1.7 KiB
Java
54 lines
1.7 KiB
Java
/*
|
|
* Copyright 2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
* CA 95054 USA or visit www.sun.com if you need additional information or
|
|
* have any questions.
|
|
*/
|
|
|
|
/*
|
|
* @test
|
|
* @bug 4193200
|
|
* @summary Basic test for Collections.frequency
|
|
* @author Josh Bloch
|
|
*
|
|
* @compile -source 1.5 Frequency.java
|
|
* @run main Frequency
|
|
*/
|
|
|
|
import java.util.*;
|
|
|
|
public class Frequency {
|
|
final static 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);
|
|
}
|
|
}
|