@Test
public void shouldHaveSameByteOrder() {
ByteBuf buf = Unpooled.buffer(1);
assertSame(Unpooled.BIG_ENDIAN, Unpooled.unmodifiableBuffer(buf).order());
buf = buf.order(LITTLE_ENDIAN);
assertSame(Unpooled.LITTLE_ENDIAN, Unpooled.unmodifiableBuffer(buf).order());
}
@Test
public void shouldReturnReadOnlyDerivedBuffer() {
ByteBuf buf = Unpooled.unmodifiableBuffer(Unpooled.buffer(1));
assertTrue(buf.duplicate() instanceof ReadOnlyByteBuf);
assertTrue(buf.slice() instanceof ReadOnlyByteBuf);
assertTrue(buf.slice(0, 1) instanceof ReadOnlyByteBuf);
assertTrue(buf.duplicate() instanceof ReadOnlyByteBuf);
}
@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;
}
@Test
public void shouldReturnWritableCopy() {
ByteBuf buf = Unpooled.unmodifiableBuffer(Unpooled.buffer(1));
assertFalse(buf.copy() instanceof ReadOnlyByteBuf);
}
@Test
public void testUnwrap() {
ByteBuf buf = Unpooled.buffer(1);
assertSame(buf, ((WrappedByteBuf) Unpooled.unmodifiableBuffer(buf)).unwrap());
}
@Test
public void testUnmodifiableBuffer() {
assertTrue(Unpooled.unmodifiableBuffer(Unpooled.buffer(1)) instanceof ReadOnlyByteBuf);
}