/sigmah/src/test/java/org/sigmah/test/AssertUtils.java

 1/*
 2 * All Sigmah code is released under the GNU General Public License v3
 3 * See COPYRIGHT.txt and LICENSE.txt.
 4 */
 5
 6package org.sigmah.test;
 7
 8import java.util.Collection;
 9import java.util.Comparator;
10import java.util.Iterator;
11
12public class AssertUtils {
13
14    public static <T> void assertSorted(String name, Collection<T> collection,
15                                        Comparator<T> comparator) {
16        if (collection.size() <= 1) {
17            return;
18        }
19
20        Iterator<T> it = collection.iterator();
21        T last = it.next();
22
23        while (it.hasNext()) {
24            T next = it.next();
25            if (comparator.compare(last, next) > 0) {
26                throw new AssertionError("The collection '" + name + "' is not sorted, " +
27                        last.toString() + " > " + next.toString());
28            }
29            last = next;
30        }
31    }
32
33}