001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    
018    package org.apache.commons.monitoring;
019    
020    import org.junit.Test;
021    
022    import static org.apache.commons.monitoring.counters.Unit.Time.HOUR;
023    import static org.apache.commons.monitoring.counters.Unit.Time.MICROSECOND;
024    import static org.apache.commons.monitoring.counters.Unit.Time.MILLISECOND;
025    import static org.apache.commons.monitoring.counters.Unit.Time.NANOSECOND;
026    import static org.apache.commons.monitoring.counters.Unit.Time.SECOND;
027    import static org.junit.Assert.assertEquals;
028    
029    /**
030     * @author <a href="mailto:nicolas@apache.org">Nicolas De Loof</a>
031     */
032    public class UnitTest {
033        @Test
034        public void derived() {
035            assertEquals(NANOSECOND, HOUR.getPrimary());
036            assertEquals(NANOSECOND, NANOSECOND.getDerived("ns"));
037            assertEquals(MICROSECOND, NANOSECOND.getDerived("µs"));
038            assertEquals(MILLISECOND, NANOSECOND.getDerived("ms"));
039            assertEquals(SECOND, NANOSECOND.getDerived("s"));
040        }
041    
042        @Test
043        public void scales() {
044            assertEquals(1L, NANOSECOND.getScale());
045            assertEquals(1000L, MICROSECOND.getScale());
046            assertEquals(1000000L, MILLISECOND.getScale());
047            assertEquals(1000000000L, SECOND.getScale());
048        }
049    }