/*******************************************************************************
 * Copyright (c) 2004, 2008 David Green and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     David Green - initial API and implementation
 *******************************************************************************/

package org.eclipse.mylyn.internal.trac.ui;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import java.util.regex.Matcher;

import org.junit.Test;

/**
 * @author David Green
 */
public class TracHyperlinkUtilStandaloneTest {

	@Test
	public void testWikiPattern2SinglePositiveMatch() {
		Matcher matcher = TracHyperlinkUtil.wikiPattern2.matcher("a HyperLink there");
		assertTrue(matcher.find());
		assertEquals(matcher.group(0), "HyperLink");
		assertFalse(matcher.find());
	}

	@Test
	public void testWikiPattern2MultiplePositiveMatch() {
		Matcher matcher = TracHyperlinkUtil.wikiPattern2.matcher("a HyperLink there and ThereIsAnother");
		assertTrue(matcher.find());
		assertEquals(matcher.group(0), "HyperLink");
		assertTrue(matcher.find());
		assertEquals(matcher.group(0), "ThereIsAnother");
		assertFalse(matcher.find());
	}

	@Test
	public void testWikiPattern2SingleNegativeMatch() {
		Matcher matcher = TracHyperlinkUtil.wikiPattern2.matcher("no !HyperLink there");
		assertFalse(matcher.find());
	}

	@Test
	public void testWikiPattern2SinglePositiveMatchAtStartOfLine() {
		Matcher matcher = TracHyperlinkUtil.wikiPattern2.matcher("HyperLink there");
		assertTrue(matcher.find());
		assertEquals(matcher.group(0), "HyperLink");
		assertFalse(matcher.find());
	}

	@Test
	public void testWikiPattern2SingleNegativeMatchAtStartOfLine() {
		Matcher matcher = TracHyperlinkUtil.wikiPattern2.matcher("!HyperLink there");
		assertFalse(matcher.find());
	}

	@Test
	public void testWikiPattern2MixedPositiveNegativeMatch() {
		Matcher matcher = TracHyperlinkUtil.wikiPattern2.matcher("a HyperLink there and ThereIsAnother but !NotHere");
		assertTrue(matcher.find());
		assertEquals(matcher.group(0), "HyperLink");
		assertTrue(matcher.find());
		assertEquals(matcher.group(0), "ThereIsAnother");
		assertFalse(matcher.find());
	}

}