@Test
public void testDecodingFromSessionBuffer() throws Exception {
final ReadableByteChannel channel =
new ReadableByteChannelMock(new String[] {"stuff;", "more stuff"}, Consts.ASCII);
final SessionInputBuffer inbuf = new SessionInputBufferImpl(1024, 256, Consts.ASCII);
final HttpTransportMetricsImpl metrics = new HttpTransportMetricsImpl();
inbuf.fill(channel);
Assert.assertEquals(6, inbuf.length());
final IdentityDecoder decoder = new IdentityDecoder(channel, inbuf, metrics);
final ByteBuffer dst = ByteBuffer.allocate(1024);
int bytesRead = decoder.read(dst);
Assert.assertEquals(6, bytesRead);
Assert.assertEquals("stuff;", CodecTestUtils.convert(dst));
Assert.assertFalse(decoder.isCompleted());
Assert.assertEquals(0, metrics.getBytesTransferred()); // doesn't count if from session buffer
dst.clear();
bytesRead = decoder.read(dst);
Assert.assertEquals(10, bytesRead);
Assert.assertEquals("more stuff", CodecTestUtils.convert(dst));
Assert.assertFalse(decoder.isCompleted());
Assert.assertEquals(10, metrics.getBytesTransferred());
dst.clear();
bytesRead = decoder.read(dst);
Assert.assertEquals(-1, bytesRead);
Assert.assertTrue(decoder.isCompleted());
Assert.assertEquals(10, metrics.getBytesTransferred());
dst.clear();
bytesRead = decoder.read(dst);
Assert.assertEquals(-1, bytesRead);
Assert.assertTrue(decoder.isCompleted());
Assert.assertEquals(10, metrics.getBytesTransferred());
}
