content: /*******************************************************************************
   * Copyright (c) 2009, 2019 Mountainminds GmbH & Co. KG and Contributors
   * 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:
   *    Marc R. Hoffmann - initial API and implementation
   *    
   *******************************************************************************/
  package org.jacoco.report.internal.html.resources;
  
  import static org.junit.Assert.assertEquals;
  
  import org.junit.Test;
  
  /**
   * Unit tests for {@link Styles}.
   */
  public class StylesTest {
  
  	@Test
  	public void testCombine1() {
  		assertEquals(null, Styles.combine());
  	}
  
  	@Test
  	public void testCombine2() {
  		assertEquals(null, Styles.combine((String) null));
  	}
  
  	@Test
  	public void testCombine3() {
  		assertEquals("aaa", Styles.combine("aaa"));
  	}
  
  	@Test
  	public void testCombine4() {
  		assertEquals("aaa bbb ccc",
  				Styles.combine("aaa", null, "bbb", "ccc", null));
  	}
  
  }
  