@Test
public void shouldReturnReadOnlyDerivedBuffer() {
ChannelBuffer buf = ChannelBuffers.unmodifiableBuffer(ChannelBuffers.buffer(1));
assertTrue(buf.duplicate() instanceof ReadOnlyChannelBuffer);
assertTrue(buf.slice() instanceof ReadOnlyChannelBuffer);
assertTrue(buf.slice(0, 1) instanceof ReadOnlyChannelBuffer);
assertTrue(buf.duplicate() instanceof ReadOnlyChannelBuffer);
}
@Test
public void shouldForwardReadCallsBlindly() throws Exception {
ChannelBuffer buf = createStrictMock(ChannelBuffer.class);
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);
buf.getBytes(4, (OutputStream) null, 5);
buf.getBytes(6, (byte[]) null, 7, 8);
buf.getBytes(9, (ChannelBuffer) null, 10, 11);
buf.getBytes(12, (ByteBuffer) null);
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);
ByteBuffer[] bbs = {ByteBuffer.allocate(101), ByteBuffer.allocate(102)};
expect(buf.toByteBuffer(23, 24)).andReturn(bb);
expect(buf.toByteBuffers(25, 26)).andReturn(bbs);
expect(buf.capacity()).andReturn(27);
replay(buf);
ChannelBuffer 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, (ChannelBuffer) 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.toByteBuffer(23, 24);
assertEquals(100, roBB.capacity());
assertTrue(roBB.isReadOnly());
ByteBuffer[] roBBs = roBuf.toByteBuffers(25, 26);
assertEquals(2, roBBs.length);
assertEquals(101, roBBs[0].capacity());
assertTrue(roBBs[0].isReadOnly());
assertEquals(102, roBBs[1].capacity());
assertTrue(roBBs[1].isReadOnly());
assertEquals(27, roBuf.capacity());
verify(buf);
}
@Test
public void shouldReturnWritableCopy() {
ChannelBuffer buf = ChannelBuffers.unmodifiableBuffer(ChannelBuffers.buffer(1));
assertFalse(buf.copy() instanceof ReadOnlyChannelBuffer);
}