@Test
public void testConcatenatedStreamsReadFirstOnly() throws Exception {
final File input = getFile("multiple.bz2");
try (InputStream is = new FileInputStream(input)) {
try (CompressorInputStream in =
new CompressorStreamFactory().createCompressorInputStream("bzip2", is)) {
assertEquals('a', in.read());
assertEquals(-1, in.read());
}
}
}
@Test
public void testConcatenatedStreamsReadFully() throws Exception {
final File input = getFile("multiple.bz2");
try (InputStream is = new FileInputStream(input)) {
try (CompressorInputStream in = new BZip2CompressorInputStream(is, true)) {
assertEquals('a', in.read());
assertEquals('b', in.read());
assertEquals(0, in.available());
assertEquals(-1, in.read());
}
}
}
@Test
public void testCOMPRESS131() throws Exception {
final File input = getFile("COMPRESS-131.bz2");
try (InputStream is = new FileInputStream(input)) {
try (CompressorInputStream in = new BZip2CompressorInputStream(is, true)) {
int l = 0;
while (in.read() != -1) {
l++;
}
assertEquals(539, l);
}
}
}
@Test
public void testGzipUnarchive() throws Exception {
final File input = getFile("bla.tgz");
final File output = new File(dir, "bla.tar");
try (InputStream is = new FileInputStream(input)) {
final CompressorInputStream in =
new CompressorStreamFactory().createCompressorInputStream("gz", is);
FileOutputStream out = null;
try {
out = new FileOutputStream(output);
IOUtils.copy(in, out);
} finally {
if (out != null) {
out.close();
}
in.close();
}
}
}
/** @see "https://issues.apache.org/jira/browse/COMPRESS-84" */
@Test
public void testCorruptedInput() throws Exception {
InputStream in = null;
OutputStream out = null;
CompressorInputStream cin = null;
try {
in = new FileInputStream(getFile("bla.tgz"));
out = new ByteArrayOutputStream();
IOUtils.copy(in, out);
in.close();
out.close();
final byte[] data = ((ByteArrayOutputStream) out).toByteArray();
in = new ByteArrayInputStream(data, 0, data.length - 1);
cin = new CompressorStreamFactory().createCompressorInputStream("gz", in);
out = new ByteArrayOutputStream();
try {
IOUtils.copy(cin, out);
fail("Expected an exception");
} catch (final IOException ioex) {
// the whole point of the test
}
} finally {
if (out != null) {
out.close();
}
if (cin != null) {
cin.close();
}
if (in != null) {
in.close();
}
}
}
