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;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertSame;
  
  import org.junit.Before;
  import org.junit.Test;
  
  /**
   * Unit tests for {@link NormalizedFileNames}.
   */
  public class NormalizedFileNamesTest {
  
  	private NormalizedFileNames nfn;
  
  	@Before
  	public void setup() {
  		nfn = new NormalizedFileNames();
  	}
  
  	@Test
  	public void testKeepLegalCharacters() {
  		String id = "Foo-bar_$15.class";
  		assertEquals(id, nfn.getFileName(id));
  	}
  
  	@Test
  	public void testReplaceIllegalCharacters() {
  		String id = "A/b C;";
  		assertEquals("A_b_C_", nfn.getFileName(id));
  	}
  
  	@Test
  	public void testSameInstance() {
  		// If no normalization is required we should get the same instance.
  		String id = new String("Example.html");
  		assertSame(id, nfn.getFileName(id));
  		assertSame(id, nfn.getFileName(new String("Example.html")));
  	}
  
  	@Test
  	public void testReplaceIllegalCharactersNonUnique() {
  		assertEquals("F__", nfn.getFileName("F__"));
  		assertEquals("F__~1", nfn.getFileName("F**"));
  		assertEquals("F__~2", nfn.getFileName("F??"));
  
  		// Mapping must be reproducible
  		assertEquals("F__", nfn.getFileName("F__"));
  		assertEquals("F__~1", nfn.getFileName("F**"));
  		assertEquals("F__~2", nfn.getFileName("F??"));
  	}
  
  	@Test
  	public void testCaseAware() {
  		assertEquals("Hello", nfn.getFileName("Hello"));
  		assertEquals("HELLO~1", nfn.getFileName("HELLO"));
  		assertEquals("HeLLo~2", nfn.getFileName("HeLLo"));
  
  		// Mapping must be reproducible
  		assertEquals("Hello", nfn.getFileName("Hello"));
  		assertEquals("HELLO~1", nfn.getFileName("HELLO"));
  		assertEquals("HeLLo~2", nfn.getFileName("HeLLo"));
  	}
  
  }
  