From: erik Date: Sat, 30 Jul 2011 15:35:07 +0000 (+0000) Subject: unit test for system clock. X-Git-Tag: BEFORE_SVN_TO_GIT~1 X-Git-Url: http://wamblee.org/gitweb/?a=commitdiff_plain;h=93a72bc6dfa5befa57a787657fef042d3ac93f22;p=utils unit test for system clock. --- diff --git a/support/general/src/test/java/org/wamblee/general/SystemClockTest.java b/support/general/src/test/java/org/wamblee/general/SystemClockTest.java new file mode 100644 index 00000000..e27b6a56 --- /dev/null +++ b/support/general/src/test/java/org/wamblee/general/SystemClockTest.java @@ -0,0 +1,35 @@ +/* + * Copyright 2005-2010 the original author or authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.wamblee.general; + +import static junit.framework.Assert.*; + +import org.junit.Test; + +public class SystemClockTest { + + private static final long EPS = 1000; + + @Test + public void testClock() { + Clock clock = new SystemClock(); + for (int i = 0; i < 10; i++) { + long time = System.currentTimeMillis(); + long time2 = clock.currentTimeMillis(); + assertTrue(Math.abs(time2 - time) < EPS); + } + } +}