testIdentity() — netty Function Reference

Source Code

codec-compression/src/test/java/io/netty/handler/codec/compression/FastLzIntegrationTest.java lines 64–113

    @Override   // test batched flow of data
    protected void testIdentity(final byte[] data, boolean heapBuffer) {
        initChannels();
        final ByteBuf original = heapBuffer? Unpooled.wrappedBuffer(data) :
                Unpooled.directBuffer(data.length).writeBytes(data);
        final CompositeByteBuf compressed = Unpooled.compositeBuffer();
        final CompositeByteBuf decompressed = Unpooled.compositeBuffer();

        try {
            int written = 0, length = rand.nextInt(100);
            while (written + length < data.length) {
                ByteBuf in = Unpooled.wrappedBuffer(data, written, length);
                encoder.writeOutbound(in);
                written += length;
                length = rand.nextInt(100);
            }
            ByteBuf in = Unpooled.wrappedBuffer(data, written, data.length - written);
            encoder.writeOutbound(in);
            encoder.finish();

            ByteBuf msg;
            while ((msg = encoder.readOutbound()) != null) {
                compressed.addComponent(true, msg);
            }

            final byte[] compressedArray = new byte[compressed.readableBytes()];
            compressed.readBytes(compressedArray);
            written = 0;
            length = rand.nextInt(100);
            while (written + length < compressedArray.length) {
                in = Unpooled.wrappedBuffer(compressedArray, written, length);
                decoder.writeInbound(in);
                written += length;
                length = rand.nextInt(100);
            }
            in = Unpooled.wrappedBuffer(compressedArray, written, compressedArray.length - written);
            decoder.writeInbound(in);

            assertFalse(compressed.isReadable());
            while ((msg = decoder.readInbound()) != null) {
                decompressed.addComponent(true, msg);
            }
            assertEquals(original, decompressed);
        } finally {
            compressed.release();
            decompressed.release();
            original.release();
            closeChannels();
        }
    }