0N/A/*
2362N/A * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A/*
0N/A * @test
0N/A * @bug 4593209
0N/A * @summary Reverse comparator was subtly broken
0N/A * @author Josh bloch
0N/A */
0N/A
0N/Aimport java.util.*;
0N/A
0N/Apublic class ReverseOrder {
0N/A public static void main(String[] args) throws Exception {
0N/A Foo[] a = { new Foo(2), new Foo(3), new Foo(1) };
0N/A List list = Arrays.asList(a);
0N/A Collections.sort(list, Collections.reverseOrder());
0N/A
0N/A Foo[] golden = { new Foo(3), new Foo(2), new Foo(1) };
0N/A List goldenList = Arrays.asList(golden);
0N/A if (!list.equals(goldenList))
0N/A throw new Exception(list.toString());
0N/A }
0N/A}
0N/A
0N/Aclass Foo implements Comparable {
0N/A int val;
0N/A Foo(int i) { val = i; }
0N/A
0N/A public int compareTo(Object o) {
0N/A Foo f = (Foo)o;
0N/A return (val < f.val ? Integer.MIN_VALUE : (val == f.val ? 0 : 1));
0N/A }
0N/A
0N/A public boolean equals(Object o) {
0N/A return o instanceof Foo && ((Foo)o).val == val;
0N/A }
0N/A
0N/A public int hashCode() { return val; }
0N/A
0N/A public String toString() { return Integer.toString(val); }
0N/A}