@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);
}
@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);
}
@Test
public void shouldReturnWritableCopy() {
ByteBuf buf = Unpooled.unmodifiableBuffer(Unpooled.buffer(1));
assertFalse(buf.copy() instanceof ReadOnlyByteBuf);
}
