package com.twelvemonkeys.io;
import org.junit.Test;
import java.io.*;
import static org.junit.Assert.*;
/**
* MemoryCacheSeekableStreamTestCase
* <p/>
*
* @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
* @version $Id: //depot/branches/personal/haraldk/twelvemonkeys/release-2/twelvemonkeys-core/src/test/java/com/twelvemonkeys/io/FileSeekableStreamTestCase.java#3 $
*/
public class FileSeekableStreamTestCase extends SeekableInputStreamAbstractTestCase {
protected SeekableInputStream makeInputStream(final InputStream pStream) {
try {
return new FileSeekableStream(createFileWithContent(pStream));
}
catch (IOException e) {
throw new RuntimeException(e);
}
}
private File createFileWithContent(final InputStream pStream) throws IOException {
File temp = File.createTempFile("tm-io-junit", null);
temp.deleteOnExit();
OutputStream os = new FileOutputStream(temp);
try {
FileUtil.copy(pStream, os);
}
finally {
os.close();
pStream.close();
}
return temp;
}
@Test
@Override
public void testCloseUnderlyingStream() throws IOException {
// There is no underlying stream here...
}
@Test
public void testCloseUnderlyingFile() throws IOException {
final boolean[] closed = new boolean[1];
File file = createFileWithContent(new ByteArrayInputStream(makeRandomArray(256)));
RandomAccessFile raf = new RandomAccessFile(file, "r") {
@Override
public void close() throws IOException {
closed[0] = true;
super.close();
}
};
FileSeekableStream stream = new FileSeekableStream(raf);
try {
FileUtil.read(stream); // Read until EOF
assertEquals("EOF not reached (test case broken)", -1, stream.read());
assertFalse("Underlying stream closed before close", closed[0]);
}
finally {
stream.close();
}
assertTrue("Underlying stream not closed", closed[0]);
}
}