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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License.
18   *
19   */
20  package org.apache.mina.statemachine.context;
21  
22  import static org.junit.Assert.assertSame;
23  
24  import java.util.HashMap;
25  import java.util.Map;
26  
27  import org.junit.Test;
28  
29  /**
30   * Tests {@link AbstractStateContextLookup}.
31   *
32   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
33   */
34  public class AbstractStateContextLookupTest {
35      @Test
36      public void testLookup() throws Exception {
37          Map<String, StateContext> map = new HashMap<String, StateContext>();
38          AbstractStateContextLookup lookup = new AbstractStateContextLookup(new DefaultStateContextFactory()) {
39              protected boolean supports(Class<?> c) {
40                  return Map.class.isAssignableFrom(c);
41              }
42  
43              @SuppressWarnings("unchecked")
44              protected StateContext lookup(Object eventArg) {
45                  Map<String, StateContext> map = (Map<String, StateContext>) eventArg;
46                  return map.get("context");
47              }
48  
49              @SuppressWarnings("unchecked")
50              protected void store(Object eventArg, StateContext context) {
51                  Map<String, StateContext> map = (Map<String, StateContext>) eventArg;
52                  map.put("context", context);
53              }
54          };
55          Object[] args1 = new Object[] { new Object(), map, new Object() };
56          Object[] args2 = new Object[] { map, new Object() };
57          StateContext sc = lookup.lookup(args1);
58          assertSame(map.get("context"), sc);
59          assertSame(map.get("context"), lookup.lookup(args1));
60          assertSame(map.get("context"), lookup.lookup(args2));
61      }
62  
63  }