@Test
public void shouldForwardReadCallsBlindly() throws Exception {
ByteBuf buf = createStrictMock(ByteBuf.class);
expect(buf.order()).andReturn(BIG_ENDIAN).anyTimes();
expect(buf.maxCapacity()).andReturn(65536).anyTimes();
expect(buf.readerIndex()).andReturn(0).anyTimes();
expect(buf.writerIndex()).andReturn(0).anyTimes();
expect(buf.capacity()).andReturn(0).anyTimes();
expect(buf.getBytes(1, (GatheringByteChannel) null, 2)).andReturn(3);
expect(buf.getBytes(4, (OutputStream) null, 5)).andReturn(buf);
expect(buf.getBytes(6, (byte[]) null, 7, 8)).andReturn(buf);
expect(buf.getBytes(9, (ByteBuf) null, 10, 11)).andReturn(buf);
expect(buf.getBytes(12, (ByteBuffer) null)).andReturn(buf);
expect(buf.getByte(13)).andReturn(Byte.valueOf((byte) 14));
expect(buf.getShort(15)).andReturn(Short.valueOf((short) 16));
expect(buf.getUnsignedMedium(17)).andReturn(18);
expect(buf.getInt(19)).andReturn(20);
expect(buf.getLong(21)).andReturn(22L);
ByteBuffer bb = ByteBuffer.allocate(100);
expect(buf.nioBuffer(23, 24)).andReturn(bb);
expect(buf.capacity()).andReturn(27);
replay(buf);
ByteBuf roBuf = unmodifiableBuffer(buf);
assertEquals(3, roBuf.getBytes(1, (GatheringByteChannel) null, 2));
roBuf.getBytes(4, (OutputStream) null, 5);
roBuf.getBytes(6, (byte[]) null, 7, 8);
roBuf.getBytes(9, (ByteBuf) null, 10, 11);
roBuf.getBytes(12, (ByteBuffer) null);
assertEquals((byte) 14, roBuf.getByte(13));
assertEquals((short) 16, roBuf.getShort(15));
assertEquals(18, roBuf.getUnsignedMedium(17));
assertEquals(20, roBuf.getInt(19));
assertEquals(22L, roBuf.getLong(21));
ByteBuffer roBB = roBuf.nioBuffer(23, 24);
assertEquals(100, roBB.capacity());
assertTrue(roBB.isReadOnly());
assertEquals(27, roBuf.capacity());
verify(buf);
}
@Override
protected ByteBuf newBuffer(int length) {
buffers = new ArrayList<ByteBuf>();
for (int i = 0; i < length + 45; i += 45) {
buffers.add(EMPTY_BUFFER);
buffers.add(wrappedBuffer(new byte[1]));
buffers.add(EMPTY_BUFFER);
buffers.add(wrappedBuffer(new byte[2]));
buffers.add(EMPTY_BUFFER);
buffers.add(wrappedBuffer(new byte[3]));
buffers.add(EMPTY_BUFFER);
buffers.add(wrappedBuffer(new byte[4]));
buffers.add(EMPTY_BUFFER);
buffers.add(wrappedBuffer(new byte[5]));
buffers.add(EMPTY_BUFFER);
buffers.add(wrappedBuffer(new byte[6]));
buffers.add(EMPTY_BUFFER);
buffers.add(wrappedBuffer(new byte[7]));
buffers.add(EMPTY_BUFFER);
buffers.add(wrappedBuffer(new byte[8]));
buffers.add(EMPTY_BUFFER);
buffers.add(wrappedBuffer(new byte[9]));
buffers.add(EMPTY_BUFFER);
}
buffer =
Unpooled.wrappedBuffer(Integer.MAX_VALUE, buffers.toArray(new ByteBuf[buffers.size()]))
.order(order);
// Truncate to the requested capacity.
buffer.capacity(length);
assertEquals(length, buffer.capacity());
assertEquals(length, buffer.readableBytes());
assertFalse(buffer.isWritable());
buffer.writerIndex(0);
return buffer;
}
/** Tests the "getBufferFor" method */
@Test
public void testComponentAtOffset() {
CompositeByteBuf buf =
(CompositeByteBuf)
wrappedBuffer(new byte[] {1, 2, 3, 4, 5}, new byte[] {4, 5, 6, 7, 8, 9, 26});
// Ensure that a random place will be fine
assertEquals(5, buf.componentAtOffset(2).capacity());
// Loop through each byte
byte index = 0;
while (index < buf.capacity()) {
ByteBuf _buf = buf.componentAtOffset(index++);
assertNotNull(_buf);
assertTrue(_buf.capacity() > 0);
assertNotNull(_buf.getByte(0));
assertNotNull(_buf.getByte(_buf.readableBytes() - 1));
}
}
