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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  }