/**
* Tests the read(buffer) method by reading a file one buffer at a time.
*
* @throws IOException
*/
@Test
public void testReadBuffer() throws IOException {
byte[] buffer = new byte[1024];
long buffersRead = 0;
for (int bytesRead = pis.read(buffer); bytesRead != -1; bytesRead = pis.read(buffer)) {
buffersRead++;
}
assertEquals(getExpectedBufferReads(file.length(), buffer.length), buffersRead);
LOGGER.trace("Done");
}
/**
* Tests the read(buffer, offset, length) method by read a file one buffer at the file using the
* offset and length.
*
* @throws IOException
*/
@Test
public void testReadBufferOffLen() throws IOException {
byte[] buffer = new byte[2048];
int off = 512;
int len = 1024;
initByteArrayWith0(buffer);
long buffersRead = 0;
for (int bytesRead = pis.read(buffer, off, len);
bytesRead != -1;
bytesRead = pis.read(buffer, off, len)) {
buffersRead++;
}
assertEquals(getExpectedBufferReads(file.length(), len), buffersRead);
LOGGER.trace("Done");
}
@Before
public void setUp() throws Exception {
listenerCalledCount = 0;
file = tempDir.newFile();
writeRandomBytes(file, 5L * 1024L * 1024L);
pis = new ProgressInputStream(new FileInputStream(file), file.length());
pis.addPropertyChangeListener(createPropertyChangeListener());
}
/**
* Tests the read() method by reading a file one byte at a time.
*
* @throws IOException
*/
@Test
public void testRead() throws IOException {
int numBytesRead = 0;
while (pis.read() != -1) numBytesRead++;
assertEquals(file.length(), numBytesRead);
LOGGER.trace("Done");
}
@After
public void tearDown() throws Exception {
assertTrue(listenerCalledCount >= 1 && listenerCalledCount <= 100);
pis.close();
}