package com.beer.business.service;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import junit.framework.TestCase;
public class RegularExpressionTest extends TestCase {
private String zipRegEx = "^\\d{5}([\\-]\\d{4})?$";
private Pattern pattern;
protected void setUp() throws Exception {
this.pattern = Pattern.compile(this.zipRegEx);
}
public void testZipCode() throws Exception {
Matcher mtcher = this.pattern.matcher("22101");
boolean isValid = mtcher.matches();
assertTrue("Pattern did not validate zip code", isValid);
}
}