1 /* 2 * Copyright (C) 2008 The Guava Authors 3 * 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 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 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. 15 */ 16 17 package com.google.common.base; 18 19 import com.google.common.annotations.GwtIncompatible; 20 import com.google.common.annotations.J2ktIncompatible; 21 import com.google.common.testing.FakeTicker; 22 import java.time.Duration; 23 import junit.framework.TestCase; 24 25 /** Unit test for the {@code java.time} support in {@link Stopwatch}. */ 26 @J2ktIncompatible 27 @GwtIncompatible 28 public class StopwatchJavaTimeTest extends TestCase { 29 private final FakeTicker ticker = new FakeTicker(); 30 private final Stopwatch stopwatch = new Stopwatch(ticker); 31 testElapsed_duration()32 public void testElapsed_duration() { 33 stopwatch.start(); 34 ticker.advance(999999); 35 assertEquals(Duration.ofNanos(999999), stopwatch.elapsed()); 36 ticker.advance(1); 37 assertEquals(Duration.ofMillis(1), stopwatch.elapsed()); 38 } 39 } 40