2 * Copyright 2005-2010 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.general;
18 import static junit.framework.Assert.*;
20 import org.junit.Test;
22 public class SystemClockTest {
24 private static final long EPS = 1000;
27 public void testClock() {
28 Clock clock = new SystemClock();
29 for (int i = 0; i < 10; i++) {
30 long time = System.currentTimeMillis();
31 long time2 = clock.currentTimeMillis();
32 assertTrue(Math.abs(time2 - time) < EPS);