Checker.java

/*
 * Copyright (c) 2015, 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.
 */

import java.util.Arrays;

public class Checker {

    static void checkEq(String what, Object v, Object ref) throws Exception {
        if ((v != null) && v.equals(ref)) {
            System.out.println(what + ": ok (" + ref.toString() + ")");
        } else { throw new Exception(
                "invalid " + what + ", expected: \"" + ref + "\", got: \"" + v + "\"");
        }
    }

    static void checkEnumEq(String what, Object v, Object ref[]) throws Exception {
        if (v == null) { throw new Exception("null " + what); }
        if (!(v instanceof Object[])) { throw new Exception("invalid " + what); }
        if (Arrays.equals((Object []) v, ref)) { System.out.println(what + ": ok"); }
        else { throw new Exception("invalid " + what); }
    }
}