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/*
* Copyright 2002-2017 Drew Noakes
*
* 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.
*
* More information about this project is available at:
*
* https://drewnoakes.com/code/exif/
* https://github.com/drewnoakes/metadata-extractor
*/
package com.drew.metadata.jpeg;
import org.junit.Before;
import org.junit.Test;
import static com.drew.metadata.jpeg.HuffmanTablesDirectory.*;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
/**
* @author Nadahar
*/
public class HuffmanTablesDescriptorTest
{
private HuffmanTablesDirectory _directory;
private HuffmanTablesDescriptor _descriptor;
@Before
public void setUp() throws Exception
{
_directory = new HuffmanTablesDirectory();
_descriptor = new HuffmanTablesDescriptor(_directory);
}
@Test
public void testGetNumberOfTablesDescription() throws Exception
{
assertNull(_descriptor.getNumberOfTablesDescription());
_directory.setInt(TAG_NUMBER_OF_TABLES, 0);
assertEquals("0 Huffman tables", _descriptor.getNumberOfTablesDescription());
assertEquals("0 Huffman tables", _descriptor.getDescription(TAG_NUMBER_OF_TABLES));
_directory.setInt(TAG_NUMBER_OF_TABLES, 1);
assertEquals("1 Huffman table", _descriptor.getNumberOfTablesDescription());
assertEquals("1 Huffman table", _descriptor.getDescription(TAG_NUMBER_OF_TABLES));
_directory.setInt(TAG_NUMBER_OF_TABLES, 3);
assertEquals("3 Huffman tables", _descriptor.getNumberOfTablesDescription());
assertEquals("3 Huffman tables", _descriptor.getDescription(TAG_NUMBER_OF_TABLES));
}
}
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