@Test
public void testReadAndWrite() throws Exception {
byte[] fluff = constructFluff(132000);
byte[] comp = LZFEncoder.encode(fluff);
ByteArrayOutputStream bytes = new ByteArrayOutputStream(fluff.length);
LZFInputStream in = new LZFInputStream(new ByteArrayInputStream(comp));
in.readAndWrite(bytes);
in.close();
byte[] actual = bytes.toByteArray();
Assert.assertEquals(actual.length, fluff.length);
Assert.assertEquals(actual, fluff);
}
@Test
public void testSimpleCompression() throws IOException {
// produce multiple chunks, about 3 here:
byte[] source = constructFluff(140000);
LZFCompressingInputStream compIn =
new LZFCompressingInputStream(new ByteArrayInputStream(source));
byte[] comp = readAll(compIn);
byte[] uncomp = LZFDecoder.decode(comp);
Assert.assertEquals(uncomp, source);
// and then check that size is about same as with static methods
byte[] comp2 = LZFEncoder.encode(source);
Assert.assertEquals(comp2.length, comp.length);
}
// Mostly for [Issue#19]
@Test
public void testLongSkips() throws Exception {
// 64k per block, 200k gives 3 full, one small
byte[] fluff = constructFluff(200000);
byte[] comp = LZFEncoder.encode(fluff);
// we get about 200k, maybe byte or two more, so:
final int LENGTH = fluff.length;
LZFInputStream in = new LZFInputStream(new ByteArrayInputStream(comp));
// read one byte for fun
Assert.assertEquals(in.read(), fluff[0] & 0xFF);
// then skip all but one
long amt = in.skip(LENGTH - 2);
Assert.assertEquals(amt, (long) (LENGTH - 2));
Assert.assertEquals(in.read(), fluff[LENGTH - 1] & 0xFF);
Assert.assertEquals(in.read(), -1);
in.close();
}
