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• TextPatternTest.java

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test.it.unimi.dsi.util.TextPatternTest Maven / Gradle / Ivy

package it.unimi.dsi.util;

/*
 * DSI utilities
 *
 * Copyright (C) 2010-2017 Sebastiano Vigna
 *
 *  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; either version 3 of the License, or (at your option)
 *  any later version.
 *
 *  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.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program; if not, see .
 *
 */

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import it.unimi.dsi.fastutil.chars.CharArrayList;

import org.junit.Test;

public class TextPatternTest {
	@Test
	public void testSingleCharacterSearch() {
		byte[] b = new byte[] { 1, (byte)'A', 2 };
		String s = " A ";
		TextPattern pattern = new TextPattern("A");

		assertEquals(-1, pattern.search(b, 0, 1));
		assertEquals(-1, pattern.search(s, 0, 1));
		assertEquals(-1, pattern.search(s.toCharArray(), 0, 1));
		assertEquals(-1, pattern.search(CharArrayList.wrap(s.toCharArray()), 0, 1));

		assertEquals(1, pattern.search(b));
		assertEquals(1, pattern.search(s));
		assertEquals(1, pattern.search(s.toCharArray()));
		assertEquals(1, pattern.search(CharArrayList.wrap(s.toCharArray())));
	}

	@Test
	public void testSearch() {
		byte[] b = new byte[] { 1, (byte)'A', 'B', 2 };
		String s = " AB ";
		TextPattern pattern = new TextPattern("AB");

		assertEquals(-1, pattern.search(b, 0, 2));
		assertEquals(-1, pattern.search(s, 0, 2));
		assertEquals(-1, pattern.search(s.toCharArray(), 0, 2));
		assertEquals(-1, pattern.search(CharArrayList.wrap(s.toCharArray()), 0, 2));

		assertEquals(1, pattern.search(b));
		assertEquals(1, pattern.search(s));
		assertEquals(1, pattern.search(s.toCharArray()));
		assertEquals(1, pattern.search(CharArrayList.wrap(s.toCharArray())));

		TextPattern patternMeta = new TextPattern("\n" +
		"\n" +
		"\n" +
		"\n" +
		"" +
		"" +
		"\n" +
		"\n" +
		"\n" +
		"
:::Sebastiano Vigna
" +
		"
\n" +
		"
" +
		"
Bye bye baby\n" +
		" and not this one\n" +
		"\n\n even whitespace counts \n\n" +
		"The frame source counts\n" +
		"\n" +
		"\n" +
		"";


}