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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   *   https://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  package org.apache.commons.compress.harmony.unpack200;
20  
21  import static org.junit.jupiter.api.Assertions.assertEquals;
22  import static org.junit.jupiter.api.Assertions.assertFalse;
23  import static org.junit.jupiter.api.Assertions.assertNotNull;
24  import static org.junit.jupiter.api.Assertions.assertTrue;
25  
26  import org.apache.commons.compress.harmony.pack200.Pack200Exception;
27  import org.junit.jupiter.api.Test;
28  
29  class AttributeLayoutMapTest {
30  
31      @Test
32      void testRepeatable() throws Pack200Exception {
33          // Check we can retrieve a default layout
34          final AttributeLayoutMap a = new AttributeLayoutMap();
35          AttributeLayout layout = a.getAttributeLayout("SourceFile", AttributeLayout.CONTEXT_CLASS);
36          assertNotNull(layout);
37          assertEquals("RUNH", layout.getLayout());
38          assertEquals(17, layout.getIndex());
39          // and that we can change it
40          a.add(new AttributeLayout("SourceFile", AttributeLayout.CONTEXT_CLASS, "FROG", 17));
41          layout = a.getAttributeLayout("SourceFile", AttributeLayout.CONTEXT_CLASS);
42          assertNotNull(layout);
43          assertEquals("FROG", layout.getLayout());
44          assertTrue(layout.matches(1 << 17));
45          assertFalse(layout.matches(1 << 16));
46          assertTrue(layout.matches(-1));
47          assertFalse(layout.matches(0));
48          // and that changes don't affect subsequent defaults
49          final AttributeLayoutMap b = new AttributeLayoutMap();
50          layout = b.getAttributeLayout("SourceFile", AttributeLayout.CONTEXT_CLASS);
51          assertNotNull(layout);
52          assertEquals("RUNH", layout.getLayout());
53  
54      }
55  }