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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.lang;
import com.drew.tools.FileUtil;
import org.junit.After;
import org.junit.Test;
import java.io.File;
import java.io.IOException;
import java.io.RandomAccessFile;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* @author Drew Noakes https://drewnoakes.com
*/
public class RandomAccessFileReaderTest extends RandomAccessTestBase
{
private File _tempFile;
private RandomAccessFile _randomAccessFile;
@Override
protected RandomAccessReader createReader(byte[] bytes)
{
try {
// Unit tests can create multiple readers in the same test, as long as they're used one after the other
deleteTempFile();
_tempFile = File.createTempFile("metadata-extractor-test-", ".tmp");
FileUtil.saveBytes(_tempFile, bytes);
_randomAccessFile = new RandomAccessFile(_tempFile, "r");
return new RandomAccessFileReader(_randomAccessFile);
} catch (IOException e) {
fail("Unable to create temp file");
return null;
}
}
@After
public void deleteTempFile() throws IOException
{
if (_randomAccessFile == null)
return;
_randomAccessFile.close();
if (_tempFile == null)
return;
assertTrue(
"Unable to delete temp file used during unit test: " + _tempFile.getAbsolutePath(),
_tempFile.delete());
_tempFile = null;
_randomAccessFile = null;
}
@SuppressWarnings({ "ConstantConditions" })
@Test(expected = NullPointerException.class)
public void testConstructWithNullBufferThrows() throws IOException
{
new RandomAccessFileReader(null);
}
}
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