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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  
18  package org.apache.commons.monitoring;
19  
20  import org.junit.Test;
21  
22  import static org.apache.commons.monitoring.counters.Unit.Time.HOUR;
23  import static org.apache.commons.monitoring.counters.Unit.Time.MICROSECOND;
24  import static org.apache.commons.monitoring.counters.Unit.Time.MILLISECOND;
25  import static org.apache.commons.monitoring.counters.Unit.Time.NANOSECOND;
26  import static org.apache.commons.monitoring.counters.Unit.Time.SECOND;
27  import static org.junit.Assert.assertEquals;
28  
29  /**
30   * @author <a href="mailto:nicolas@apache.org">Nicolas De Loof</a>
31   */
32  public class UnitTest {
33      @Test
34      public void derived() {
35          assertEquals(NANOSECOND, HOUR.getPrimary());
36          assertEquals(NANOSECOND, NANOSECOND.getDerived("ns"));
37          assertEquals(MICROSECOND, NANOSECOND.getDerived("µs"));
38          assertEquals(MILLISECOND, NANOSECOND.getDerived("ms"));
39          assertEquals(SECOND, NANOSECOND.getDerived("s"));
40      }
41  
42      @Test
43      public void scales() {
44          assertEquals(1L, NANOSECOND.getScale());
45          assertEquals(1000L, MICROSECOND.getScale());
46          assertEquals(1000000L, MILLISECOND.getScale());
47          assertEquals(1000000000L, SECOND.getScale());
48      }
49  }