/*
* 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 4329937
* @summary Basic test for making Boolean implement Comparable
* @author Josh Bloch
*/
import java.util.*;
public class MakeBooleanComparable {
public static void main(String args[]) {
Random rnd = new Random();
List<Boolean> list = new ArrayList<Boolean>();
int numFalse = 0;
for (int i = 0; i < 1000; i++) {
boolean element = rnd.nextBoolean();
if (!element)
numFalse++;
list.add(element); // Autoboxing!
}
Collections.sort(list);
for (int i = 0; i < numFalse; i++)
if (list.get(i).booleanValue()) // Autounboxing doesn't work yet!
throw new RuntimeException("False positive: " + i);
for (int i = numFalse; i < 1000; i++)
if (!list.get(i).booleanValue()) // Autounboxing doesn't work yet!
throw new RuntimeException("False negative: " + i);
}
}