hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestProgress.java

/**
 * 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.util;

import org.junit.Assert;
import org.junit.Test;

public class TestProgress {

  @Test
  public void testSet(){
    Progress progress = new Progress();
    progress.set(Float.NaN);
    Assert.assertEquals(0, progress.getProgress(), 0.0);

    progress.set(Float.NEGATIVE_INFINITY);
    Assert.assertEquals(0,progress.getProgress(),0.0);

    progress.set(-1);
    Assert.assertEquals(0,progress.getProgress(),0.0);

    progress.set((float) 1.1);
    Assert.assertEquals(1,progress.getProgress(),0.0);

    progress.set(Float.POSITIVE_INFINITY);
    Assert.assertEquals(1,progress.getProgress(),0.0);
  }
}