1 /*
2 * Copyright 2010 The Apache Software Foundation
3 *
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 */
20 package org.apache.hadoop.hbase.util;
21
22 import org.junit.Test;
23
24 import static junit.framework.Assert.assertEquals;
25
26 /**
27 * Tests that the incrementing environment edge increments time instead of using
28 * the default.
29 */
30 public class TestIncrementingEnvironmentEdge {
31
32 @Test
33 public void testGetCurrentTimeUsesSystemClock() {
34 IncrementingEnvironmentEdge edge = new IncrementingEnvironmentEdge();
35 assertEquals(1, edge.currentTimeMillis());
36 assertEquals(2, edge.currentTimeMillis());
37 assertEquals(3, edge.currentTimeMillis());
38 assertEquals(4, edge.currentTimeMillis());
39 }
40 }