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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.collections.primitives.decorators;
18  
19  import junit.framework.TestCase;
20  
21  import org.apache.commons.collections.primitives.ArrayDoubleList;
22  import org.apache.commons.collections.primitives.DoubleIterator;
23  import org.apache.commons.collections.primitives.DoubleList;
24  
25  /**
26   * @version $Revision: 480451 $ $Date: 2006-11-29 02:45:08 -0500 (Wed, 29 Nov 2006) $
27   * @author Rodney Waldhoff
28   */
29  public abstract class BaseUnmodifiableDoubleIteratorTest extends TestCase {
30  
31      // conventional
32      // ------------------------------------------------------------------------
33  
34      public BaseUnmodifiableDoubleIteratorTest(String testName) {
35          super(testName);
36      }
37      
38  
39      // framework
40      // ------------------------------------------------------------------------
41      protected abstract DoubleIterator makeUnmodifiableDoubleIterator();
42  
43      protected DoubleIterator makeDoubleIterator() {
44          DoubleList list = new ArrayDoubleList();
45          for(double i=0;i<10;i++) {
46              list.add(i);
47          }
48          return list.iterator();
49      }
50  
51      // tests
52      // ------------------------------------------------------------------------
53  
54      public final void testDoubleIteratorNotModifiable() {
55          DoubleIterator iter = makeUnmodifiableDoubleIterator();
56          assertTrue(iter.hasNext());
57          iter.next();
58          try {
59              iter.remove();
60              fail("Expected UnsupportedOperationException");
61          } catch(UnsupportedOperationException e) {
62              // expected
63          }
64      }
65  
66      public final void testIterateDoubleIterator() {        
67          DoubleIterator iter = makeUnmodifiableDoubleIterator();
68          for(DoubleIterator expected = makeDoubleIterator(); expected.hasNext(); ) {
69              assertTrue(iter.hasNext());
70              assertEquals(expected.next(),iter.next(),(double)0);
71          }
72          assertTrue(! iter.hasNext() );
73      }
74  
75  }