STNullOnPath


1   /* Copyright (C) 2004 - 2006  db4objects Inc.  http://www.db4o.com
2   
3   This file is part of the db4o open source object database.
4   
5   db4o is free software; you can redistribute it and/or modify it under
6   the terms of version 2 of the GNU General Public License as published
7   by the Free Software Foundation and as clarified by db4objects' GPL 
8   interpretation policy, available at
9   http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10  Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11  Suite 350, San Mateo, CA 94403, USA.
12  
13  db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14  WARRANTY; without even the implied warranty of MERCHANTABILITY or
15  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
16  for more details.
17  
18  You should have received a copy of the GNU General Public License along
19  with this program; if not, write to the Free Software Foundation, Inc.,
20  59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. */
21  package com.db4o.test.legacy.soda.experiments;
22  
23  import com.db4o.query.*;
24  import com.db4o.test.legacy.soda.*;
25  
26  public class STNullOnPath implements STClass {
27  
28      public static transient SodaTest st;
29  
30      Boolean   bool;
31  
32      public STNullOnPath() {
33      }
34  
35      public STNullOnPath(Boolean   bool) {
36          this.bool = bool;
37      }
38  
39      public Object  [] store() {
40          return new Object  [] {
41              new STNullOnPath(new Boolean  (false))
42              };
43      }
44  
45      public void test() {
46          Query q = st.query();
47          q.constrain(new STNullOnPath());
48          q.descend("bool").constrain(null);
49          Object  [] r1 = store();
50          st.expectNone(q);
51      }
52  }
53

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