package com.webcodepro.shrinkit;

import java.io.IOException;

import junit.framework.TestCase;

/**
 * Exercise the Master Header Block.
 * For right now, we just grab a "real" header
 * and check it against our computed values.
 * @author robgreene@users.sourceforge.net
 */
public class MasterHeaderBlockTest extends TestCase {
	public void test1() throws IOException {
		ByteSource bs = new ByteSource(new byte[] {
				0x4e, (byte)0xf5, 0x46, (byte)0xe9, 0x6c, (byte)0xe5, (byte)0xdc, 0x1b, 
				0x2d, 0x00, 0x00, 0x00, 0x38, 0x0c, 0x14, 0x5f,
				0x08, 0x07, 0x30, 0x04, 0x29, 0x0d, 0x14, 0x5f,
				0x08, 0x07, 0x01, 0x04, 0x01, 0x00, 0x00, 0x00,
				0x00, 0x00, 0x00, 0x00, 0x00, 0x00, (byte)0xae, (byte)0xac,
				0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
			});
		MasterHeaderBlock b = new MasterHeaderBlock(bs);
		// Using byte values since it should be a bit more clear where they came from
		assertEquals(0x1bdc, b.getMasterCrc());
		assertEquals(0x2d, b.getTotalRecords());
		assertEquals(new ByteSource(new byte[] {0x38, 0x0c, 0x14, 0x5f, 0x08, 0x07, 0x30, 0x04}).readDate(), b.getArchiveCreateWhen());
		assertEquals(new ByteSource(new byte[] {0x29, 0x0d, 0x14, 0x5f, 0x08, 0x07, 0x01, 0x04}).readDate(), b.getArchiveModWhen());
		assertEquals(0x01, b.getMasterVersion());
		assertEquals(0x1acae, b.getMasterEof());
	}
}