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Java > Open Source Codes > com > j2biz > pencil > test > scenario > impl > npe > SimpleNullPointerTest


1 /*
2  * Copyright 2004 Andreas Siebert (j2biz community)
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7
8  * http://www.apache.org/licenses/LICENSE-2.0
9
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */

16 package com.j2biz.pencil.test.scenario.impl.npe;
17
18 import com.j2biz.pencil.test.additional.TestLog;
19 import com.j2biz.pencil.test.stuff.Person;
20
21
22 public class SimpleNullPointerTest {
23   
24     private PersonWrapper nullWrapper = null;
25     private PersonWrapper wrapper = new PersonWrapper();
26     
27     private class PersonWrapper {
28         private Person person = null;
29     }
30     
31     SimpleNullPointerTest() {
32         final Person person = null;
33         TestLog.debug("npe.SimpleNullPointerTest.firstElementIsNull = ${NULL.type}"); // person.type
34
TestLog.debug("npe.SimpleNullPointerTest.secondElementIsNull = ${NULL.type}"); // wrapper.person.type
35
TestLog.debug("npe.SimpleNullPointerTest.noElementAfterNull = null");
36         TestLog.debug("npe.SimpleNullPointerTest.firstElementOfLongRefIsNull = ${NULL.person.type}");
37     }
38     
39     public static void main(String JavaDoc[] args) {
40         new SimpleNullPointerTest();
41     }
42 }
43
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