/*******************************************************************************
 * Copyright (c) 2013, 2014 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation
 *     Lars Vogel <Lars.Vogel@gmail.com> - Bug 430468
 *******************************************************************************/
package org.eclipse.e4.ui.tests.css.core.parser;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.fail;

import java.io.IOException;

import org.eclipse.e4.ui.css.core.engine.CSSEngine;
import org.eclipse.e4.ui.tests.css.core.util.ParserTestUtil;
import org.junit.Before;
import org.junit.Test;
import org.w3c.css.sac.CSSParseException;
import org.w3c.css.sac.SelectorList;

public class SelectorTest {
	private CSSEngine engine;

	@Before
	public void setUp() throws Exception {
		engine = ParserTestUtil.createEngine();
	}

	@Test
	public void testSimpleSelector() throws Exception {
		SelectorList list = engine.parseSelectors("Type1");
		assertNotNull(list);
		assertEquals(1, list.getLength());
		assertEquals("Type1", list.item(0).toString());
	}

	@Test
	public void testMultipleSelectors() throws Exception {
		SelectorList list = engine.parseSelectors("Type1, Type2");
		assertNotNull(list);
		assertEquals(2, list.getLength());
		assertEquals("Type1", list.item(0).toString());
		assertEquals("Type2", list.item(1).toString());
	}

	@Test
	public void testClassSelector() throws Exception {
		SelectorList list = engine.parseSelectors(".Class1");
		assertNotNull(list);
		assertEquals(1, list.getLength());
		assertEquals("*[class=\"Class1\"]", list.item(0).toString());
	}

	@Test
	public void testAttributeSelector() throws Exception {
		SelectorList list = engine.parseSelectors("*[class='Class1']");
		assertNotNull(list);
		assertEquals(1, list.getLength());
		assertEquals("*[class=\"Class1\"]", list.item(0).toString());
	}

	@Test
	public void testErrorAttributeSelector() throws IOException {
		try {
			engine.parseSelectors("*[class='Class1'"); // missing ']'
			fail("Parser should have errored on missing bracket");
		} catch (CSSParseException e) {
			// ignore
		}
	}
}