/**

 * SQL-DK

 * Copyright © 2013 František Kučera (frantovo.cz)

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * This program 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program. If not, see <http://www.gnu.org/licenses/>.

 */

package info.globalcode.sql.dk;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import org.testng.annotations.Test;

import static org.testng.Assert.*;

/**

 *

 * @author Ing. František Kučera (frantovo.cz)

 */

public class FunctionsTest {

	@Test

	public void testEscapeRegEx() {

		for (String original : new String[]{"abcd", "1234", "xxx", "\\Eescape\\Q", "\\Qescape\\E", "abc\\Eescape\\Qdef.", ".", ""}) {

			String patternString = Functions.escapeRegEx(original);

			System.out.println(original + " → " + patternString);

			Pattern pattern = Pattern.compile(patternString);

			String testString;

			Matcher m;

			testString = original;

			m = pattern.matcher(testString);

			assertTrue(m.matches(), "Pattern does not match original string: " + testString);

			testString = original + "x";

			m = pattern.matcher(testString);

			assertFalse(m.matches(), "Pattern matches wrong string: " + testString);

			testString = "x" + original;

			m = pattern.matcher(testString);

			assertFalse(m.matches(), "Pattern matches wrong string: " + testString);

			testString = (original + "ab").substring(1);

			m = pattern.matcher(testString);

			assertFalse(m.matches(), "Pattern matches wrong string: " + testString);

		}

	}

}