Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*******************************************************************************
 * Breakout Cave Survey Visualizer
 *
 * Copyright (C) 2014 James Edwards
 *
 * jedwards8 at fastmail dot fm
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *******************************************************************************/

import java.util.Comparator;

import java.util.List;

public class Main {
    public static <T> void testComparator(List<? extends T> list, Comparator<T> comparator) {
        for (int i = 0; i < list.size(); i++) {
            for (int j = i; j < list.size(); j++) {
                T oi = list.get(i);
                T oj = list.get(j);

                int ci = comparator.compare(oi, oj);
                int cj = comparator.compare(oj, oi);

                if (Math.signum(ci) != -Math.signum(cj)) {
                    throw new RuntimeException("Bad comparator: " + comparator + "\n\tlist.get(" + i + "): " + oi
                            + "\n\tlist.get(" + j + "): " + oj + "\ncompare(list.get(" + i + "), list.get(" + j
                            + ")): " + ci + "\ncompare(list.get(" + j + "), list.get(" + i + ")): " + cj);
                }
            }
        }
    }
}