// Copyright 2014 The Bazel Authors. All rights reserved.
//
// 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 com.google.devtools.build.lib.util;
import static com.google.common.truth.Truth.assertThat;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests for the Clock instance based on the Java System class.
*/
@RunWith(JUnit4.class)
public class JavaClockTest {
@Test
public void javaClockIsAdvancing() throws Exception {
Clock clock = new JavaClock();
long millis = clock.currentTimeMillis();
long nanos = clock.nanoTime();
Thread.sleep(10);
assertThat(clock.currentTimeMillis()).isNotEqualTo(millis);
assertThat(clock.nanoTime()).isNotEqualTo(nanos);
}
}