package co.nstant.in.cbor.examples;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.util.List;

import org.junit.Assert;
import org.junit.Test;

import co.nstant.in.cbor.CborBuilder;
import co.nstant.in.cbor.CborDecoder;
import co.nstant.in.cbor.CborEncoder;
import co.nstant.in.cbor.CborException;
import co.nstant.in.cbor.model.DataItem;

/**
 * [_ 1, 2, 3, 4, 5, 6,7, 8, 9, 10, 11, 12,13, 14, 15, 16, 17,18, 19, 20, 21,
 * 22,23, 24, 25] ->
 * 0x9f0102030405060708090a0b0c0d0e0f101112131415161718181819ff
 */
public class Example79Test {

	private static final List<DataItem> VALUE = new CborBuilder().startArray()
			.add(1).add(2).add(3).add(4).add(5).add(6).add(7).add(8).add(9)
			.add(10).add(11).add(12).add(13).add(14).add(15).add(16).add(17)
			.add(18).add(19).add(20).add(21).add(22).add(23).add(24).add(25)
			.end().build();

	private static final byte[] ENCODED_VALUE = new byte[] { (byte) 0x9f, 0x01,
			0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c,
			0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
			0x18, 0x18, 0x18, 0x19, (byte) 0xff };

	@Test
	public void shouldEncode() throws CborException {
		ByteArrayOutputStream byteOutputStream = new ByteArrayOutputStream();
		CborEncoder encoder = new CborEncoder(byteOutputStream);
		encoder.encode(VALUE);
		Assert.assertArrayEquals(ENCODED_VALUE, byteOutputStream.toByteArray());
	}

	@Test
	public void shouldDecode() throws CborException {
		InputStream inputStream = new ByteArrayInputStream(ENCODED_VALUE);
		CborDecoder decoder = new CborDecoder(inputStream);
		List<DataItem> dataItems = decoder.decode();
		Assert.assertArrayEquals(VALUE.toArray(), dataItems.toArray());
	}

}