/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 * 
 *    (C) 2008, Open Source Geospatial Foundation (OSGeo)
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License as published by the Free Software Foundation;
 *    version 2.1 of the License.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 */
package org.geotools.io;

import java.io.IOException;
import java.io.StringWriter;

import org.junit.*;
import static org.junit.Assert.*;


/**
 * Minimal testing for TableWriter class.
 *
 * @author Frank Warmerdam
 *
 * @source $URL$
 */
public final class TableWriterTest {
    private static final String LINE_SEPARATOR = System.getProperty("line.separator", "\n");

    /**
     * Format a very simple table as shown in the example.
     */
	@Test
	public void testExample() throws IOException {
		String expectedTable = 
				"Prénom      Nom    " + LINE_SEPARATOR +
				"-------------------" + LINE_SEPARATOR +
				"Idéphonse   Laporte" + LINE_SEPARATOR +
				"Sarah       Coursi " + LINE_SEPARATOR +
				"Yvan        Dubois " + LINE_SEPARATOR;

		StringWriter writer = new StringWriter();
		TableWriter out = new TableWriter(writer, 3);
		out.write("Prénom\tNom" + LINE_SEPARATOR);
		out.nextLine('-');
		out.write("Idéphonse\tLaporte" + LINE_SEPARATOR + "Sarah\tCoursi" + LINE_SEPARATOR + "Yvan\tDubois");
		out.flush();
		out.close();
		
		assertEquals(expectedTable, writer.toString());
	}

	/**
	 * Ensure that toString() gets the whole table even if the caller didn't
	 * explicitly mark the end of the last column value.
	 */
	@Test
	public void testToStringWithoutFlush() throws IOException {
		final TableWriter table = new TableWriter(null, " ");
		table.write("Source Point");
		table.write(':');

		table.nextColumn();
		table.write("1.234");

		table.nextLine();
		table.write("Target Point");
		table.write(':');
		table.nextColumn();
		table.write("2.345");

		assertEquals("Source Point: 1.234" + LINE_SEPARATOR + "Target Point: 2.345" + LINE_SEPARATOR, table.toString());
		table.close();
	}
}