jdk/test/java/util/Hashtable/HashCode.java
author ctornqvi
Thu, 16 May 2013 15:31:00 +0200
changeset 17598 f78d22d3c6c2
parent 14342 8435a30053c1
permissions -rw-r--r--
8008169: test/runtime/7158804/Test7158804.sh has bad copyright header Summary: Re-wrote test in Java in addition to fixing the Copyright notice. Also reviewed by leonid.mesnik@oracle.com Reviewed-by: coleenp, ctornqvi Contributed-by: Mikhailo Seledtsov <mikhailo.seledtsov@oracle.com>

/*
 * Copyright (c) 2001, 2012, 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 4559052
 * @summary Hashtable's hashCode method always returns zero(!)
 * @author Josh Bloch
 */

import java.util.*;

public class HashCode {
    public static void main(String[] args) throws Exception {
        Map m = new Hashtable();
        if (m.hashCode() != 0)
            throw new Exception("Empty Hashtable has nonzero hashCode.");

    }
}