@Test
public void testCompact() throws Exception {
DynamicByteBuffer readBuffer = DynamicByteBuffer.allocate(512);
byte[] bytes = new byte[521];
DynamicByteBuffer data = DynamicByteBuffer.wrap(bytes);
readBuffer.putBuffer(data);
readBuffer.limit(data.position());
int numberOfBytesToBeCopiedDuringCompact = readBuffer.remaining();
readBuffer.compact(); // compact the read buffer
Assert.assertEquals(numberOfBytesToBeCopiedDuringCompact, readBuffer.position());
byte[] bytes1 = new byte[10];
DynamicByteBuffer data1 = DynamicByteBuffer.wrap(bytes1);
readBuffer.putBuffer(data1);
readBuffer.limit(data1.position());
numberOfBytesToBeCopiedDuringCompact = readBuffer.remaining();
readBuffer.compact(); // compact the read buffer
Assert.assertEquals(numberOfBytesToBeCopiedDuringCompact, readBuffer.position());
readBuffer.position(10);
numberOfBytesToBeCopiedDuringCompact = readBuffer.remaining();
readBuffer.compact();
Assert.assertEquals(numberOfBytesToBeCopiedDuringCompact, readBuffer.position());
}
@Test
public void testBuffers() throws Exception {
// tests reallocation of buffer automatically.
String test1 = "Test1";
String test2 = "Test2";
DynamicByteBuffer buf1 = DynamicByteBuffer.wrap(test1.getBytes());
DynamicByteBuffer buf2 = DynamicByteBuffer.wrap(test2.getBytes());
buf1.get();
buf1.get();
int p = buf1.position();
buf1.skip(buf1.remaining());
buf1.putBuffer(buf2);
buf1.flip();
buf1.position(p);
buf1 = buf1.slice();
// TODO: should test actual contents of these buffers
assertEquals(8, buf1.remaining());
}
@Test
public void testGetAndSetSegment() throws Exception {
// tests reallocation of buffer automatically.
byte[] source = new byte[] {(byte) 1, (byte) 2, (byte) 3, (byte) 4, (byte) 5, (byte) 6};
DynamicByteBuffer buf = DynamicByteBuffer.allocate(2);
buf.put(source, 1, 4); // put 2,3,4,5 into buffer
buf.flip();
assertEquals(4, buf.remaining());
byte[] dest = new byte[3];
buf.get(dest, 1, 2); // get 3,4 into dest, start position at 1
assertEquals((byte) 0, dest[0]);
assertEquals((byte) 2, dest[1]);
assertEquals((byte) 3, dest[2]);
}
