maven-embedder/src/test/java/org/apache/maven/cli/transfer/FileSizeFormatTest.java - maven - Git at Google

 package org.apache.maven.cli.transfer;

 /*
  * 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.
  */

 import java.util.Locale;

 import org.apache.maven.cli.transfer.AbstractMavenTransferListener.FileSizeFormat;
 import org.apache.maven.cli.transfer.AbstractMavenTransferListener.FileSizeFormat.ScaleUnit;
 import org.junit.jupiter.api.Test;

 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;

 public class FileSizeFormatTest {

     @Test
     public void testNegativeSize()
     {
         FileSizeFormat format = new FileSizeFormat( Locale.ENGLISH );

         long negativeSize = -100L;
         assertThrows( IllegalArgumentException.class, () -> format.format( negativeSize ) );
     }

     @Test
     public void testSize()
     {
         FileSizeFormat format = new FileSizeFormat( Locale.ENGLISH );

         long _0_bytes = 0L;
         assertEquals( "0 B", format.format( _0_bytes ) );

         long _5_bytes = 5L;
         assertEquals( "5 B", format.format( _5_bytes ) );

         long _10_bytes = 10L;
         assertEquals( "10 B", format.format( _10_bytes ) );

         long _15_bytes = 15L;
         assertEquals( "15 B", format.format( _15_bytes ) );

         long _999_bytes = 999L;
         assertEquals( "999 B", format.format( _999_bytes ) );

         long _1000_bytes = 1000L;
         assertEquals( "1.0 kB", format.format( _1000_bytes ) );

         long _5500_bytes = 5500L;
         assertEquals( "5.5 kB", format.format( _5500_bytes ) );

         long _10_kilobytes = 10L * 1000L;
         assertEquals( "10 kB", format.format( _10_kilobytes ) );

         long _15_kilobytes = 15L * 1000L;
         assertEquals( "15 kB", format.format( _15_kilobytes ) );

         long _999_kilobytes = 999L * 1000L;
         assertEquals( "999 kB", format.format( _999_kilobytes ) );

         long _1000_kilobytes = 1000L * 1000L;
         assertEquals( "1.0 MB", format.format( _1000_kilobytes ) );

         long _5500_kilobytes = 5500L * 1000L;
         assertEquals( "5.5 MB", format.format( _5500_kilobytes ) );

         long _10_megabytes = 10L * 1000L * 1000L;
         assertEquals( "10 MB", format.format( _10_megabytes ) );

         long _15_megabytes = 15L * 1000L * 1000L;
         assertEquals( "15 MB", format.format( _15_megabytes ) );

         long _999_megabytes = 999L * 1000L * 1000L;
         assertEquals( "999 MB", format.format( _999_megabytes ) );

         long _1000_megabytes = 1000L * 1000L * 1000L;
         assertEquals( "1.0 GB", format.format( _1000_megabytes ) );

         long _5500_megabytes = 5500L * 1000L * 1000L;
         assertEquals( "5.5 GB", format.format( _5500_megabytes ) );

         long _10_gigabytes = 10L * 1000L * 1000L * 1000L;
         assertEquals( "10 GB", format.format( _10_gigabytes ) );

         long _15_gigabytes = 15L * 1000L * 1000L * 1000L;
         assertEquals( "15 GB", format.format( _15_gigabytes ) );

         long _1000_gigabytes = 1000L * 1000L * 1000L * 1000L;
         assertEquals( "1000 GB", format.format( _1000_gigabytes ) );
     }

     @Test
     public void testSizeWithSelectedScaleUnit()
     {
         FileSizeFormat format = new FileSizeFormat( Locale.ENGLISH );

         long _0_bytes = 0L;
         assertEquals( "0 B", format.format( _0_bytes ) );
         assertEquals( "0 B", format.format( _0_bytes, ScaleUnit.BYTE ) );
         assertEquals( "0 kB", format.format( _0_bytes, ScaleUnit.KILOBYTE ) );
         assertEquals( "0 MB", format.format( _0_bytes, ScaleUnit.MEGABYTE ) );
         assertEquals( "0 GB", format.format( _0_bytes, ScaleUnit.GIGABYTE ) );

         long _5_bytes = 5L;
         assertEquals( "5 B", format.format( _5_bytes ) );
         assertEquals( "5 B", format.format( _5_bytes, ScaleUnit.BYTE ) );
         assertEquals( "0 kB", format.format( _5_bytes, ScaleUnit.KILOBYTE ) );
         assertEquals( "0 MB", format.format( _5_bytes, ScaleUnit.MEGABYTE ) );
         assertEquals( "0 GB", format.format( _5_bytes, ScaleUnit.GIGABYTE ) );


         long _49_bytes = 49L;
         assertEquals( "49 B", format.format( _49_bytes ) );
         assertEquals( "49 B", format.format( _49_bytes, ScaleUnit.BYTE ) );
         assertEquals( "0 kB", format.format( _49_bytes, ScaleUnit.KILOBYTE ) );
         assertEquals( "0 MB", format.format( _49_bytes, ScaleUnit.MEGABYTE ) );
         assertEquals( "0 GB", format.format( _49_bytes, ScaleUnit.GIGABYTE ) );

         long _50_bytes = 50L;
         assertEquals( "50 B", format.format( _50_bytes ) );
         assertEquals( "50 B", format.format( _50_bytes, ScaleUnit.BYTE ) );
         assertEquals( "0.1 kB", format.format( _50_bytes, ScaleUnit.KILOBYTE ) );
         assertEquals( "0 MB", format.format( _50_bytes, ScaleUnit.MEGABYTE ) );
         assertEquals( "0 GB", format.format( _50_bytes, ScaleUnit.GIGABYTE ) );

         long _999_bytes = 999L;
         assertEquals( "999 B", format.format( _999_bytes ) );
         assertEquals( "999 B", format.format( _999_bytes, ScaleUnit.BYTE ) );
         assertEquals( "1.0 kB", format.format( _999_bytes, ScaleUnit.KILOBYTE ) );
         assertEquals( "0 MB", format.format( _999_bytes, ScaleUnit.MEGABYTE ) );
         assertEquals( "0 GB", format.format( _999_bytes, ScaleUnit.GIGABYTE ) );

         long _1000_bytes = 1000L;
         assertEquals( "1.0 kB", format.format( _1000_bytes ) );
         assertEquals( "1000 B", format.format( _1000_bytes, ScaleUnit.BYTE ) );
         assertEquals( "1.0 kB", format.format( _1000_bytes, ScaleUnit.KILOBYTE ) );
         assertEquals( "0 MB", format.format( _1000_bytes, ScaleUnit.MEGABYTE ) );
         assertEquals( "0 GB", format.format( _1000_bytes, ScaleUnit.GIGABYTE ) );

         long _49_kilobytes = 49L * 1000L;
         assertEquals( "49 kB", format.format( _49_kilobytes ) );
         assertEquals( "49000 B", format.format( _49_kilobytes, ScaleUnit.BYTE ) );
         assertEquals( "49 kB", format.format( _49_kilobytes, ScaleUnit.KILOBYTE ) );
         assertEquals( "0 MB", format.format( _49_kilobytes, ScaleUnit.MEGABYTE ) );
         assertEquals( "0 GB", format.format( _49_kilobytes, ScaleUnit.GIGABYTE ) );

         long _50_kilobytes = 50L * 1000L;
         assertEquals( "50 kB", format.format( _50_kilobytes ) );
         assertEquals( "50000 B", format.format( _50_kilobytes, ScaleUnit.BYTE ) );
         assertEquals( "50 kB", format.format( _50_kilobytes, ScaleUnit.KILOBYTE ) );
         assertEquals( "0.1 MB", format.format( _50_kilobytes, ScaleUnit.MEGABYTE ) );
         assertEquals( "0 GB", format.format( _50_kilobytes, ScaleUnit.GIGABYTE ) );

         long _999_kilobytes = 999L * 1000L;
         assertEquals( "999 kB", format.format( _999_kilobytes ) );
         assertEquals( "999000 B", format.format( _999_kilobytes, ScaleUnit.BYTE ) );
         assertEquals( "999 kB", format.format( _999_kilobytes, ScaleUnit.KILOBYTE ) );
         assertEquals( "1.0 MB", format.format( _999_kilobytes, ScaleUnit.MEGABYTE ) );
         assertEquals( "0 GB", format.format( _999_kilobytes, ScaleUnit.GIGABYTE ) );

         long _1000_kilobytes = 1000L * 1000L;
         assertEquals( "1.0 MB", format.format( _1000_kilobytes ) );
         assertEquals( "1000000 B", format.format( _1000_kilobytes, ScaleUnit.BYTE ) );
         assertEquals( "1000 kB", format.format( _1000_kilobytes, ScaleUnit.KILOBYTE ) );
         assertEquals( "1.0 MB", format.format( _1000_kilobytes, ScaleUnit.MEGABYTE ) );
         assertEquals( "0 GB", format.format( _1000_kilobytes, ScaleUnit.GIGABYTE ) );

         long _49_megabytes = 49L * 1000L * 1000L;
         assertEquals( "49 MB", format.format( _49_megabytes ) );
         assertEquals( "49000000 B", format.format( _49_megabytes, ScaleUnit.BYTE ) );
         assertEquals( "49000 kB", format.format( _49_megabytes, ScaleUnit.KILOBYTE ) );
         assertEquals( "49 MB", format.format( _49_megabytes, ScaleUnit.MEGABYTE ) );
         assertEquals( "0 GB", format.format( _49_megabytes, ScaleUnit.GIGABYTE ) );

         long _50_megabytes = 50L * 1000L * 1000L;
         assertEquals( "50 MB", format.format( _50_megabytes ) );
         assertEquals( "50000000 B", format.format( _50_megabytes, ScaleUnit.BYTE ) );
         assertEquals( "50000 kB", format.format( _50_megabytes, ScaleUnit.KILOBYTE ) );
         assertEquals( "50 MB", format.format( _50_megabytes, ScaleUnit.MEGABYTE ) );
         assertEquals( "0.1 GB", format.format( _50_megabytes, ScaleUnit.GIGABYTE ) );

         long _999_megabytes = 999L * 1000L * 1000L;
         assertEquals( "999 MB", format.format( _999_megabytes ) );
         assertEquals( "999000000 B", format.format( _999_megabytes, ScaleUnit.BYTE ) );
         assertEquals( "999000 kB", format.format( _999_megabytes, ScaleUnit.KILOBYTE ) );
         assertEquals( "999 MB", format.format( _999_megabytes, ScaleUnit.MEGABYTE ) );
         assertEquals( "1.0 GB", format.format( _999_megabytes, ScaleUnit.GIGABYTE ) );

         long _1000_megabytes = 1000L * 1000L * 1000L;
         assertEquals( "1.0 GB", format.format( _1000_megabytes ) );
         assertEquals( "1000000000 B", format.format( _1000_megabytes, ScaleUnit.BYTE ) );
         assertEquals( "1000000 kB", format.format( _1000_megabytes, ScaleUnit.KILOBYTE ) );
         assertEquals( "1000 MB", format.format( _1000_megabytes, ScaleUnit.MEGABYTE ) );
         assertEquals( "1.0 GB", format.format( _1000_megabytes, ScaleUnit.GIGABYTE ) );
     }

     @Test
     public void testNegativeProgressedSize()
     {
         FileSizeFormat format = new FileSizeFormat( Locale.ENGLISH );

         long negativeProgressedSize = -100L;
         assertThrows( IllegalArgumentException.class, () -> format.formatProgress( negativeProgressedSize, 10L ) );
     }

     @Test
     public void testNegativeProgressedSizeBiggerThanSize()
     {
         FileSizeFormat format = new FileSizeFormat( Locale.ENGLISH );

         assertThrows( IllegalArgumentException.class, () -> format.formatProgress( 100L, 10L ) );
     }

     @Test
     public void testProgressedSizeWithoutSize()
     {
          FileSizeFormat format = new FileSizeFormat( Locale.ENGLISH );

          long _0_bytes = 0L;
          assertEquals( "0 B", format.formatProgress( _0_bytes, -1L ) );

          long _1000_bytes = 1000L;
          assertEquals( "1.0 kB", format.formatProgress( _1000_bytes, -1L ) );

          long _1000_kilobytes = 1000L * 1000L;
          assertEquals( "1.0 MB", format.formatProgress( _1000_kilobytes, -1L ) );

          long _1000_megabytes = 1000L * 1000L * 1000L;
          assertEquals( "1.0 GB", format.formatProgress( _1000_megabytes, -1L ) );

     }

     @Test
     public void testProgressedBothZero()
     {
          FileSizeFormat format = new FileSizeFormat( Locale.ENGLISH );

          long _0_bytes = 0L;
          assertEquals( "0 B", format.formatProgress( _0_bytes, _0_bytes ) );
     }

     @Test
     public void testProgressedSizeWithSize()
     {
          FileSizeFormat format = new FileSizeFormat( Locale.ENGLISH );

          long _0_bytes = 0L;
          long _400_bytes = 400L;
          long _800_bytes = 2L * _400_bytes;
          assertEquals( "0/800 B", format.formatProgress( _0_bytes, _800_bytes ) );
          assertEquals( "400/800 B", format.formatProgress( _400_bytes, _800_bytes ) );
          assertEquals( "800 B", format.formatProgress( _800_bytes, _800_bytes ) );

          long _4000_bytes = 4000L;
          long _8000_bytes = 2L * _4000_bytes;
          long _50_kilobytes = 50000L;
          assertEquals( "0/8.0 kB", format.formatProgress( _0_bytes, _8000_bytes ) );
          assertEquals( "0.4/8.0 kB", format.formatProgress( _400_bytes, _8000_bytes ) );
          assertEquals( "4.0/8.0 kB", format.formatProgress( _4000_bytes, _8000_bytes ) );
          assertEquals( "8.0 kB", format.formatProgress( _8000_bytes, _8000_bytes ) );
          assertEquals( "8.0/50 kB", format.formatProgress( _8000_bytes, _50_kilobytes ) );
          assertEquals( "16/50 kB", format.formatProgress( 2L * _8000_bytes, _50_kilobytes ) );
          assertEquals( "50 kB", format.formatProgress( _50_kilobytes, _50_kilobytes ) );

          long _500_kilobytes = 500000L;
          long _1000_kilobytes = 2L * _500_kilobytes;;
          long _5000_kilobytes = 5L * _1000_kilobytes;
          long _15_megabytes = 3L * _5000_kilobytes;
          assertEquals( "0/5.0 MB", format.formatProgress( _0_bytes, _5000_kilobytes ) );
          assertEquals( "0.5/5.0 MB", format.formatProgress( _500_kilobytes, _5000_kilobytes ) );
          assertEquals( "1.0/5.0 MB", format.formatProgress( _1000_kilobytes, _5000_kilobytes ) );
          assertEquals( "5.0 MB", format.formatProgress( _5000_kilobytes, _5000_kilobytes ) );
          assertEquals( "5.0/15 MB", format.formatProgress( _5000_kilobytes, _15_megabytes ) );
          assertEquals( "15 MB", format.formatProgress( _15_megabytes, _15_megabytes ) );

          long _500_megabytes = 500000000L;
          long _1000_megabytes = 2L * _500_megabytes;
          long _5000_megabytes = 5L * _1000_megabytes;
          long _15_gigabytes = 3L * _5000_megabytes;
          assertEquals( "0/500 MB", format.formatProgress( _0_bytes, _500_megabytes ) );
          assertEquals( "1.0/5.0 GB", format.formatProgress( _1000_megabytes, _5000_megabytes ) );
          assertEquals( "5.0 GB", format.formatProgress( _5000_megabytes, _5000_megabytes ) );
          assertEquals( "5.0/15 GB", format.formatProgress( _5000_megabytes, _15_gigabytes ) );
          assertEquals( "15 GB", format.formatProgress( _15_gigabytes, _15_gigabytes ) );
     }

 }
	package org.apache.maven.cli.transfer;

	/*
	* 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.
	*/

	import java.util.Locale;

	import org.apache.maven.cli.transfer.AbstractMavenTransferListener.FileSizeFormat;
	import org.apache.maven.cli.transfer.AbstractMavenTransferListener.FileSizeFormat.ScaleUnit;
	import org.junit.jupiter.api.Test;

	import static org.junit.jupiter.api.Assertions.assertEquals;
	import static org.junit.jupiter.api.Assertions.assertThrows;

	public class FileSizeFormatTest {

	@Test
	public void testNegativeSize()
	{
	FileSizeFormat format = new FileSizeFormat( Locale.ENGLISH );

	long negativeSize = -100L;
	assertThrows( IllegalArgumentException.class, () -> format.format( negativeSize ) );
	}

	@Test
	public void testSize()
	{
	FileSizeFormat format = new FileSizeFormat( Locale.ENGLISH );

	long _0_bytes = 0L;
	assertEquals( "0 B", format.format( _0_bytes ) );

	long _5_bytes = 5L;
	assertEquals( "5 B", format.format( _5_bytes ) );

	long _10_bytes = 10L;
	assertEquals( "10 B", format.format( _10_bytes ) );

	long _15_bytes = 15L;
	assertEquals( "15 B", format.format( _15_bytes ) );

	long _999_bytes = 999L;
	assertEquals( "999 B", format.format( _999_bytes ) );

	long _1000_bytes = 1000L;
	assertEquals( "1.0 kB", format.format( _1000_bytes ) );

	long _5500_bytes = 5500L;
	assertEquals( "5.5 kB", format.format( _5500_bytes ) );

	long _10_kilobytes = 10L * 1000L;
	assertEquals( "10 kB", format.format( _10_kilobytes ) );

	long _15_kilobytes = 15L * 1000L;
	assertEquals( "15 kB", format.format( _15_kilobytes ) );

	long _999_kilobytes = 999L * 1000L;
	assertEquals( "999 kB", format.format( _999_kilobytes ) );

	long _1000_kilobytes = 1000L * 1000L;
	assertEquals( "1.0 MB", format.format( _1000_kilobytes ) );

	long _5500_kilobytes = 5500L * 1000L;
	assertEquals( "5.5 MB", format.format( _5500_kilobytes ) );

	long _10_megabytes = 10L * 1000L * 1000L;
	assertEquals( "10 MB", format.format( _10_megabytes ) );

	long _15_megabytes = 15L * 1000L * 1000L;
	assertEquals( "15 MB", format.format( _15_megabytes ) );

	long _999_megabytes = 999L * 1000L * 1000L;
	assertEquals( "999 MB", format.format( _999_megabytes ) );

	long _1000_megabytes = 1000L * 1000L * 1000L;
	assertEquals( "1.0 GB", format.format( _1000_megabytes ) );

	long _5500_megabytes = 5500L * 1000L * 1000L;
	assertEquals( "5.5 GB", format.format( _5500_megabytes ) );

	long _10_gigabytes = 10L * 1000L * 1000L * 1000L;
	assertEquals( "10 GB", format.format( _10_gigabytes ) );

	long _15_gigabytes = 15L * 1000L * 1000L * 1000L;
	assertEquals( "15 GB", format.format( _15_gigabytes ) );

	long _1000_gigabytes = 1000L * 1000L * 1000L * 1000L;
	assertEquals( "1000 GB", format.format( _1000_gigabytes ) );
	}

	@Test
	public void testSizeWithSelectedScaleUnit()
	{
	FileSizeFormat format = new FileSizeFormat( Locale.ENGLISH );

	long _0_bytes = 0L;
	assertEquals( "0 B", format.format( _0_bytes ) );
	assertEquals( "0 B", format.format( _0_bytes, ScaleUnit.BYTE ) );
	assertEquals( "0 kB", format.format( _0_bytes, ScaleUnit.KILOBYTE ) );
	assertEquals( "0 MB", format.format( _0_bytes, ScaleUnit.MEGABYTE ) );
	assertEquals( "0 GB", format.format( _0_bytes, ScaleUnit.GIGABYTE ) );

	long _5_bytes = 5L;
	assertEquals( "5 B", format.format( _5_bytes ) );
	assertEquals( "5 B", format.format( _5_bytes, ScaleUnit.BYTE ) );
	assertEquals( "0 kB", format.format( _5_bytes, ScaleUnit.KILOBYTE ) );
	assertEquals( "0 MB", format.format( _5_bytes, ScaleUnit.MEGABYTE ) );
	assertEquals( "0 GB", format.format( _5_bytes, ScaleUnit.GIGABYTE ) );


	long _49_bytes = 49L;
	assertEquals( "49 B", format.format( _49_bytes ) );
	assertEquals( "49 B", format.format( _49_bytes, ScaleUnit.BYTE ) );
	assertEquals( "0 kB", format.format( _49_bytes, ScaleUnit.KILOBYTE ) );
	assertEquals( "0 MB", format.format( _49_bytes, ScaleUnit.MEGABYTE ) );
	assertEquals( "0 GB", format.format( _49_bytes, ScaleUnit.GIGABYTE ) );

	long _50_bytes = 50L;
	assertEquals( "50 B", format.format( _50_bytes ) );
	assertEquals( "50 B", format.format( _50_bytes, ScaleUnit.BYTE ) );
	assertEquals( "0.1 kB", format.format( _50_bytes, ScaleUnit.KILOBYTE ) );
	assertEquals( "0 MB", format.format( _50_bytes, ScaleUnit.MEGABYTE ) );
	assertEquals( "0 GB", format.format( _50_bytes, ScaleUnit.GIGABYTE ) );

	long _999_bytes = 999L;
	assertEquals( "999 B", format.format( _999_bytes ) );
	assertEquals( "999 B", format.format( _999_bytes, ScaleUnit.BYTE ) );
	assertEquals( "1.0 kB", format.format( _999_bytes, ScaleUnit.KILOBYTE ) );
	assertEquals( "0 MB", format.format( _999_bytes, ScaleUnit.MEGABYTE ) );
	assertEquals( "0 GB", format.format( _999_bytes, ScaleUnit.GIGABYTE ) );

	long _1000_bytes = 1000L;
	assertEquals( "1.0 kB", format.format( _1000_bytes ) );
	assertEquals( "1000 B", format.format( _1000_bytes, ScaleUnit.BYTE ) );
	assertEquals( "1.0 kB", format.format( _1000_bytes, ScaleUnit.KILOBYTE ) );
	assertEquals( "0 MB", format.format( _1000_bytes, ScaleUnit.MEGABYTE ) );
	assertEquals( "0 GB", format.format( _1000_bytes, ScaleUnit.GIGABYTE ) );

	long _49_kilobytes = 49L * 1000L;
	assertEquals( "49 kB", format.format( _49_kilobytes ) );
	assertEquals( "49000 B", format.format( _49_kilobytes, ScaleUnit.BYTE ) );
	assertEquals( "49 kB", format.format( _49_kilobytes, ScaleUnit.KILOBYTE ) );
	assertEquals( "0 MB", format.format( _49_kilobytes, ScaleUnit.MEGABYTE ) );
	assertEquals( "0 GB", format.format( _49_kilobytes, ScaleUnit.GIGABYTE ) );

	long _50_kilobytes = 50L * 1000L;
	assertEquals( "50 kB", format.format( _50_kilobytes ) );
	assertEquals( "50000 B", format.format( _50_kilobytes, ScaleUnit.BYTE ) );
	assertEquals( "50 kB", format.format( _50_kilobytes, ScaleUnit.KILOBYTE ) );
	assertEquals( "0.1 MB", format.format( _50_kilobytes, ScaleUnit.MEGABYTE ) );
	assertEquals( "0 GB", format.format( _50_kilobytes, ScaleUnit.GIGABYTE ) );

	long _999_kilobytes = 999L * 1000L;
	assertEquals( "999 kB", format.format( _999_kilobytes ) );
	assertEquals( "999000 B", format.format( _999_kilobytes, ScaleUnit.BYTE ) );
	assertEquals( "999 kB", format.format( _999_kilobytes, ScaleUnit.KILOBYTE ) );
	assertEquals( "1.0 MB", format.format( _999_kilobytes, ScaleUnit.MEGABYTE ) );
	assertEquals( "0 GB", format.format( _999_kilobytes, ScaleUnit.GIGABYTE ) );

	long _1000_kilobytes = 1000L * 1000L;
	assertEquals( "1.0 MB", format.format( _1000_kilobytes ) );
	assertEquals( "1000000 B", format.format( _1000_kilobytes, ScaleUnit.BYTE ) );
	assertEquals( "1000 kB", format.format( _1000_kilobytes, ScaleUnit.KILOBYTE ) );
	assertEquals( "1.0 MB", format.format( _1000_kilobytes, ScaleUnit.MEGABYTE ) );
	assertEquals( "0 GB", format.format( _1000_kilobytes, ScaleUnit.GIGABYTE ) );

	long _49_megabytes = 49L * 1000L * 1000L;
	assertEquals( "49 MB", format.format( _49_megabytes ) );
	assertEquals( "49000000 B", format.format( _49_megabytes, ScaleUnit.BYTE ) );
	assertEquals( "49000 kB", format.format( _49_megabytes, ScaleUnit.KILOBYTE ) );
	assertEquals( "49 MB", format.format( _49_megabytes, ScaleUnit.MEGABYTE ) );
	assertEquals( "0 GB", format.format( _49_megabytes, ScaleUnit.GIGABYTE ) );

	long _50_megabytes = 50L * 1000L * 1000L;
	assertEquals( "50 MB", format.format( _50_megabytes ) );
	assertEquals( "50000000 B", format.format( _50_megabytes, ScaleUnit.BYTE ) );
	assertEquals( "50000 kB", format.format( _50_megabytes, ScaleUnit.KILOBYTE ) );
	assertEquals( "50 MB", format.format( _50_megabytes, ScaleUnit.MEGABYTE ) );
	assertEquals( "0.1 GB", format.format( _50_megabytes, ScaleUnit.GIGABYTE ) );

	long _999_megabytes = 999L * 1000L * 1000L;
	assertEquals( "999 MB", format.format( _999_megabytes ) );
	assertEquals( "999000000 B", format.format( _999_megabytes, ScaleUnit.BYTE ) );
	assertEquals( "999000 kB", format.format( _999_megabytes, ScaleUnit.KILOBYTE ) );
	assertEquals( "999 MB", format.format( _999_megabytes, ScaleUnit.MEGABYTE ) );
	assertEquals( "1.0 GB", format.format( _999_megabytes, ScaleUnit.GIGABYTE ) );

	long _1000_megabytes = 1000L * 1000L * 1000L;
	assertEquals( "1.0 GB", format.format( _1000_megabytes ) );
	assertEquals( "1000000000 B", format.format( _1000_megabytes, ScaleUnit.BYTE ) );
	assertEquals( "1000000 kB", format.format( _1000_megabytes, ScaleUnit.KILOBYTE ) );
	assertEquals( "1000 MB", format.format( _1000_megabytes, ScaleUnit.MEGABYTE ) );
	assertEquals( "1.0 GB", format.format( _1000_megabytes, ScaleUnit.GIGABYTE ) );
	}

	@Test
	public void testNegativeProgressedSize()
	{
	FileSizeFormat format = new FileSizeFormat( Locale.ENGLISH );

	long negativeProgressedSize = -100L;
	assertThrows( IllegalArgumentException.class, () -> format.formatProgress( negativeProgressedSize, 10L ) );
	}

	@Test
	public void testNegativeProgressedSizeBiggerThanSize()
	{
	FileSizeFormat format = new FileSizeFormat( Locale.ENGLISH );

	assertThrows( IllegalArgumentException.class, () -> format.formatProgress( 100L, 10L ) );
	}

	@Test
	public void testProgressedSizeWithoutSize()
	{
	FileSizeFormat format = new FileSizeFormat( Locale.ENGLISH );

	long _0_bytes = 0L;
	assertEquals( "0 B", format.formatProgress( _0_bytes, -1L ) );

	long _1000_bytes = 1000L;
	assertEquals( "1.0 kB", format.formatProgress( _1000_bytes, -1L ) );

	long _1000_kilobytes = 1000L * 1000L;
	assertEquals( "1.0 MB", format.formatProgress( _1000_kilobytes, -1L ) );

	long _1000_megabytes = 1000L * 1000L * 1000L;
	assertEquals( "1.0 GB", format.formatProgress( _1000_megabytes, -1L ) );

	}

	@Test
	public void testProgressedBothZero()
	{
	FileSizeFormat format = new FileSizeFormat( Locale.ENGLISH );

	long _0_bytes = 0L;
	assertEquals( "0 B", format.formatProgress( _0_bytes, _0_bytes ) );
	}

	@Test
	public void testProgressedSizeWithSize()
	{
	FileSizeFormat format = new FileSizeFormat( Locale.ENGLISH );

	long _0_bytes = 0L;
	long _400_bytes = 400L;
	long _800_bytes = 2L * _400_bytes;
	assertEquals( "0/800 B", format.formatProgress( _0_bytes, _800_bytes ) );
	assertEquals( "400/800 B", format.formatProgress( _400_bytes, _800_bytes ) );
	assertEquals( "800 B", format.formatProgress( _800_bytes, _800_bytes ) );

	long _4000_bytes = 4000L;
	long _8000_bytes = 2L * _4000_bytes;
	long _50_kilobytes = 50000L;
	assertEquals( "0/8.0 kB", format.formatProgress( _0_bytes, _8000_bytes ) );
	assertEquals( "0.4/8.0 kB", format.formatProgress( _400_bytes, _8000_bytes ) );
	assertEquals( "4.0/8.0 kB", format.formatProgress( _4000_bytes, _8000_bytes ) );
	assertEquals( "8.0 kB", format.formatProgress( _8000_bytes, _8000_bytes ) );
	assertEquals( "8.0/50 kB", format.formatProgress( _8000_bytes, _50_kilobytes ) );
	assertEquals( "16/50 kB", format.formatProgress( 2L * _8000_bytes, _50_kilobytes ) );
	assertEquals( "50 kB", format.formatProgress( _50_kilobytes, _50_kilobytes ) );

	long _500_kilobytes = 500000L;
	long _1000_kilobytes = 2L * _500_kilobytes;;
	long _5000_kilobytes = 5L * _1000_kilobytes;
	long _15_megabytes = 3L * _5000_kilobytes;
	assertEquals( "0/5.0 MB", format.formatProgress( _0_bytes, _5000_kilobytes ) );
	assertEquals( "0.5/5.0 MB", format.formatProgress( _500_kilobytes, _5000_kilobytes ) );
	assertEquals( "1.0/5.0 MB", format.formatProgress( _1000_kilobytes, _5000_kilobytes ) );
	assertEquals( "5.0 MB", format.formatProgress( _5000_kilobytes, _5000_kilobytes ) );
	assertEquals( "5.0/15 MB", format.formatProgress( _5000_kilobytes, _15_megabytes ) );
	assertEquals( "15 MB", format.formatProgress( _15_megabytes, _15_megabytes ) );

	long _500_megabytes = 500000000L;
	long _1000_megabytes = 2L * _500_megabytes;
	long _5000_megabytes = 5L * _1000_megabytes;
	long _15_gigabytes = 3L * _5000_megabytes;
	assertEquals( "0/500 MB", format.formatProgress( _0_bytes, _500_megabytes ) );
	assertEquals( "1.0/5.0 GB", format.formatProgress( _1000_megabytes, _5000_megabytes ) );
	assertEquals( "5.0 GB", format.formatProgress( _5000_megabytes, _5000_megabytes ) );
	assertEquals( "5.0/15 GB", format.formatProgress( _5000_megabytes, _15_gigabytes ) );
	assertEquals( "15 GB", format.formatProgress( _15_gigabytes, _15_gigabytes ) );
	}

	}