/*
 * (c) Copyright 2006-2010 by Volker Bergmann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, is permitted under the terms of the
 * GNU General Public License.
 *
 * For redistributing this software or a derivative work under a license other
 * than the GPL-compatible Free Software License as defined by the Free
 * Software Foundation or approved by OSI, you must first obtain a commercial
 * license to this software product from Volker Bergmann.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * WITHOUT A WARRANTY OF ANY KIND. ALL EXPRESS OR IMPLIED CONDITIONS,
 * REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE
 * HEREBY EXCLUDED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

package org.databene.benerator.primitive;

import org.databene.benerator.Generator;
import org.databene.benerator.test.GeneratorClassTest;
import org.databene.commons.CollectionUtil;
import org.junit.Test;

import java.util.Locale;
import java.util.HashSet;
import java.util.Set;

/**
 * Tests the {@link CharacterGenerator}.<br/>
 * <br/>
 * @author Volker Bergmann
 * @since 0.1
 * Created: 09.06.2006 21:03:42
 */
public class CharacterGeneratorTest extends GeneratorClassTest {

    public CharacterGeneratorTest() {
        super(CharacterGenerator.class);
    }

    @Test
    public void testDigit() throws Exception {
        checkProductSet(create("\\d"), 1000,
                CollectionUtil.toSet('0', '1', '2', '3', '4', '5', '6', '7','8', '9'));
    }

    @Test
    public void testRange() throws Exception {
        checkProductSet(create("[1-2]"), 1000, CollectionUtil.toSet('1', '2'));
        checkProductSet(create("[12]"), 1000, CollectionUtil.toSet('1', '2'));
    }

    @Test
    public void testLocale() throws Exception {
        HashSet<Character> expectedSet = new HashSet<Character>();
        for (char c = 'A'; c <= 'Z'; c++)
            expectedSet.add(c);
        for (char c = 'a'; c <= 'z'; c++)
            expectedSet.add(c);
        for (char c = '0'; c <= '9'; c++)
            expectedSet.add(c);
        expectedSet.add('_');
        expectedSet.add('ä');
        expectedSet.add('ö');
        expectedSet.add('ü');
        expectedSet.add('Ä');
        expectedSet.add('Ö');
        expectedSet.add('Ü');
        expectedSet.add('ß');

        checkProductSet(create("\\w", Locale.GERMAN), 10000, expectedSet);
    }

	@Test
    public void testSet() {
        Set<Character> values = CollectionUtil.toSet('A', 'B');
        checkProductSet(create(values), 1000, values);
    }
	
	// private helpers -------------------------------------------------------------------------------------------------
    
	private CharacterGenerator create(String pattern) {
	    CharacterGenerator generator = new CharacterGenerator(pattern);
	    generator.init(context);
		return generator;
    }

    private Generator<Character> create(String pattern, Locale locale) {
	    CharacterGenerator generator = new CharacterGenerator(pattern, locale);
	    generator.init(context);
		return generator;
    }

	private Generator<Character> create(Set<Character> values) {
	    CharacterGenerator generator = new CharacterGenerator(values);
	    generator.init(context);
		return generator;
    }

}