single parameter test

package org.junit.tests.running.classes;

import static org.cthul.matchers.CthulMatchers.matchesPattern;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameter;
import org.junit.runners.Parameterized.Parameters;
import static org.hamcrest.MatcherAssert.assertThat;

@RunWith(Parameterized.class)
public class EmailRegexpTest {
  private static final String EMAIL_REGEXP = "^[_a-z0-9-]+(\\.[_a-z0-9-]+)*@[a-z0-9-]+(\\.[a-z0-9-]+)*(\\.[a-z]{2,4})$";
	
	@Parameter(0)
	public String email;
	
	@Parameters
	public static Collection<Object[]> data() {
		List<Object[]> data = new ArrayList<Object[]>() {{
			add(new Object[]{"art.koshelev@gmail.com"});
			add(new Object[]{"mail@stefan-birkner.de"}); 
		}};
		return data;
	}
	
	@Test
	public void positiveTest() {
		assertThat(email, matchesPattern(EMAIL_REGEXP));
	}
}