/********************************************************************************
 * Copyright (c) 2015-2018 Contributors to the Eclipse Foundation
 *
 * See the NOTICE file(s) distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 ********************************************************************************/


package org.eclipse.mdm.mdfsorter;

import static org.junit.Assert.assertNull;

import java.io.IOException;
import java.util.logging.Logger;

import org.eclipse.mdm.mdfsorter.mdf4.DGBLOCK;
import org.eclipse.mdm.mdfsorter.mdf4.MDF4BlocksSplittMerger;
import org.eclipse.mdm.mdfsorter.mdf4.MDF4GenBlock;
import org.eclipse.mdm.mdfsorter.mdf4.MDF4ProcessWriter;
import org.junit.BeforeClass;
import org.junit.Test;

public class MDF4BlocksSplittMergerTest {

	@BeforeClass
	public static void BeforeClass() throws IOException {
		MDFSorter.log = Logger.getLogger("vwg.audi.mdfsorter");
		MDFSorter.log.setUseParentHandlers(false);
	}

	@Test
	public void testLength0() {
		// test if a splitmerger with length 0 works, and links are correctly
		// set to null.
		DGBLOCK blk = new DGBLOCK();
		blk.setId("##DG");

		MDFFileContent<MDF4GenBlock> con = new MDFFileContent<MDF4GenBlock>(null, null, null, false);
		MDF4ProcessWriter ps = new MDF4ProcessWriter(con, new ArgumentStruct());

		MDF4BlocksSplittMerger splitmerger = new MDF4BlocksSplittMerger(ps, "##DT", blk, 0, null, 1024);

		// test setLinks.
		// set links to a random block.
		MDF4GenBlock blablablock = new MDF4GenBlock(0xbad);
		for (int i = 0; i < blk.getLinkCount(); i++) {
			blk.setLink(i, blablablock);
		}
		splitmerger.setLinks();
		assertNull(blk.getLnkData());

	}

}