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Java example source code file (NullEmptyKeyValueTest.java)

This example Java source code file (NullEmptyKeyValueTest.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

class, exception, failed, got, hashtable, illegalargumentexception, management, nullemptykeyvaluetest, objectname, string, test, util

The NullEmptyKeyValueTest.java Java example source code

/*
 * Copyright (c) 2005, 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 6229396
 * @summary Test null/empty key/values in ObjectName constructors.
 * @author Luis-Miguel Alventosa
 * @run clean NullEmptyKeyValueTest
 * @run build NullEmptyKeyValueTest
 * @run main NullEmptyKeyValueTest
 */

import java.util.*;
import javax.management.*;

public class NullEmptyKeyValueTest {

    private static int createObjectName(int i,
                                        Class c,
                                        String s,
                                        String d,
                                        String k,
                                        String v,
                                        Hashtable<String,String> t)
        throws Exception {

        System.out.println("----------------------------------------------");
        switch (i) {
        case 1:
            System.out.println("ObjectName = " + s);
            break;
        case 2:
            System.out.println("ObjectName.Domain = " + d);
            System.out.println("ObjectName.Key = " + k);
            System.out.println("ObjectName.Value = " + v);
            break;
        case 3:
            System.out.println("ObjectName.Domain = " + d);
            System.out.println("ObjectName.Hashtable = " + t);
            break;
        default:
            throw new Exception("Test incorrect: case: " + i);
        }
        int error = 0;
        ObjectName on = null;
        try {
            switch (i) {
            case 1:
                on = new ObjectName(s);
                break;
            case 2:
                on = new ObjectName(d, k, v);
                break;
            case 3:
                on = new ObjectName(d, t);
                break;
            default:
                throw new Exception("Test incorrect: case: " + i);
            }
            if (c != null) {
                error++;
                System.out.println("Got Unexpected ObjectName = " +
                           (on == null ? "null" : on.getCanonicalName()));
            } else {
                System.out.println("Got Expected ObjectName = " +
                           (on == null ? "null" : on.getCanonicalName()));
            }
        } catch (Exception e) {
            if (c == null || !c.isInstance(e)) {
                error++;
                System.out.println("Got Unexpected Exception = " +
                                   e.toString());
            } else {
                System.out.println("Got Expected Exception = " +
                                   e.toString());
            }
        }
        System.out.println("----------------------------------------------");
        return error;
    }

    private static int createObjectName1(Class c,
                                         String s)
        throws Exception {
        return createObjectName(1, c, s, null, null, null, null);
    }

    private static int createObjectName2(Class c,
                                         String d,
                                         String k,
                                         String v)
        throws Exception {
        return createObjectName(2, c, null, d, k, v, null);
    }

    private static int createObjectName3(Class c,
                                         String d,
                                         Hashtable<String,String> t)
        throws Exception {
        return createObjectName(3, c, null, d, null, null, t);
    }

    public static void main(String[] args) throws Exception {

        final Class npec = NullPointerException.class;
        final Class monec = MalformedObjectNameException.class;

        int error = 0;

        error += createObjectName1(npec, null);
        error += createObjectName1(null, "d:k=v");
        error += createObjectName1(null, ":k=v");
        error += createObjectName1(monec, "d:=v");
        error += createObjectName1(null, "d:k=");
        error += createObjectName1(null, "d:k1=,k2=v2");
        error += createObjectName1(null, "d:k1=v1,k2=");

        error += createObjectName2(npec, null, null, null);
        error += createObjectName2(null, "d", "k", "v");
        error += createObjectName2(npec, null, "k", "v");
        error += createObjectName2(null, "", "k", "v");
        error += createObjectName2(npec, "d", null, "v");
        error += createObjectName2(monec, "d", "", "v");
        error += createObjectName2(npec, "d", "k", null);
        error += createObjectName2(null, "d", "k", "");

        Hashtable<String,String> h1 = new Hashtable();
        h1.put("k", "v");
        Hashtable<String,String> h2 = new Hashtable();
        h2.put("", "v");
        Hashtable<String,String> h3 = new Hashtable();
        h3.put("k", "");
        Hashtable<String,String> h4 = new Hashtable();
        h4.put("k1", "");
        h4.put("k2", "v2");
        Hashtable<String,String> h5 = new Hashtable();
        h5.put("k1", "v1");
        h5.put("k2", "");
        error += createObjectName3(npec, null, null);
        error += createObjectName3(null, "d", h1);
        error += createObjectName3(npec, null, h1);
        error += createObjectName3(null, "", h1);
        error += createObjectName3(monec, "d", h2);
        error += createObjectName3(null, "d", h3);
        error += createObjectName3(null, "d", h4);
        error += createObjectName3(null, "d", h5);

        if (error > 0) {
            final String msg = "Test FAILED! Got " + error + " error(s)";
            System.out.println(msg);
            throw new IllegalArgumentException(msg);
        } else {
            System.out.println("Test PASSED!");
        }
    }
}

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