| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.hadoop.yarn.util; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class TestTimes { |
| |
| @Test |
| public void testNegativeStartTimes() { |
| long elapsed = Times.elapsed(-5, 10, true); |
| Assert.assertEquals("Elapsed time is not 0", 0, elapsed); |
| elapsed = Times.elapsed(-5, 10, false); |
| Assert.assertEquals("Elapsed time is not -1", -1, elapsed); |
| } |
| |
| @Test |
| public void testNegativeFinishTimes() { |
| long elapsed = Times.elapsed(5, -10, false); |
| Assert.assertEquals("Elapsed time is not -1", -1, elapsed); |
| } |
| |
| @Test |
| public void testNegativeStartandFinishTimes() { |
| long elapsed = Times.elapsed(-5, -10, false); |
| Assert.assertEquals("Elapsed time is not -1", -1, elapsed); |
| } |
| |
| @Test |
| public void testPositiveStartandFinishTimes() { |
| long elapsed = Times.elapsed(5, 10, true); |
| Assert.assertEquals("Elapsed time is not 5", 5, elapsed); |
| elapsed = Times.elapsed(5, 10, false); |
| Assert.assertEquals("Elapsed time is not 5", 5, elapsed); |
| } |
| |
| @Test |
| public void testFinishTimesAheadOfStartTimes() { |
| long elapsed = Times.elapsed(10, 5, true); |
| Assert.assertEquals("Elapsed time is not -1", -1, elapsed); |
| elapsed = Times.elapsed(10, 5, false); |
| Assert.assertEquals("Elapsed time is not -1", -1, elapsed); |
| // use Long.MAX_VALUE to ensure started time is after the current one |
| elapsed = Times.elapsed(Long.MAX_VALUE, 0, true); |
| Assert.assertEquals("Elapsed time is not -1", -1, elapsed); |
| } |
| } |