/*******************************************************************************
 * Copyright (c) 2012, Directors of the Tyndale STEP Project
 * All rights reserved.
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 * distribution.
 * Neither the name of the Tyndale House, Cambridge (www.TyndaleHouse.com)  
 * nor the names of its contributors may be used to endorse or promote 
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package com.tyndalehouse.step.core.utils;

import static org.junit.Assert.assertEquals;

import org.junit.Test;

/**
 * Tests the {@link StringUtils} class
 * 
 * @author chrisburrell
 * 
 */
public class StringUtilsTest {
    /** test normal split condition */
    @Test
    public void testSplit() {
        final String[] split = StringUtils.split("hello,hi", ",");
        assertEquals("hello", split[0]);
        assertEquals("hi", split[1]);
    }

    /** checks that tokens are preserved when splitting */
    @Test
    public void testPreservesTokens() {
        final String[] split = StringUtils.split("hello,,hi", ",");
        assertEquals("hello", split[0]);
        assertEquals("", split[1]);
        assertEquals("hi", split[2]);
    }

    /** checks that tokens are preserved when splitting */
    @Test
    public void testRegexTokens() {
        final String[] split = StringUtils.split("hello;hi; howdy ;cheerio", "[ ]?;[ ]?");
        assertEquals("hello", split[0]);
        assertEquals("hi", split[1]);
        assertEquals("howdy", split[2]);
        assertEquals("cheerio", split[3]);
    }

}