1 /******************************************************************************* 2 * Copyright (c) 2009, 2018 Mountainminds GmbH & Co. KG and Contributors 3 * All rights reserved. This program and the accompanying materials 4 * are made available under the terms of the Eclipse Public License v1.0 5 * which accompanies this distribution, and is available at 6 * http://www.eclipse.org/legal/epl-v10.html 7 * 8 * Contributors: 9 * Marc R. Hoffmann - initial API and implementation 10 * 11 *******************************************************************************/ 12 package org.jacoco.core.internal.analysis; 13 14 import static org.junit.Assert.assertEquals; 15 import static org.junit.Assert.assertNull; 16 import static org.junit.Assert.assertSame; 17 18 import org.junit.Before; 19 import org.junit.Test; 20 21 /** 22 * Unit tests for {@link StringPool}. 23 */ 24 public class StringPoolTest { 25 26 private StringPool pool; 27 28 @Before 29 public void setup() { 30 pool = new StringPool(); 31 } 32 33 @Test 34 public void testGetStringNull() { 35 assertNull(pool.get((String) null)); 36 } 37 38 @Test 39 public void testGetString() { 40 final String a = pool.get(new String("JaCoCo")); 41 final String b = pool.get(new String("JaCoCo")); 42 43 assertEquals("JaCoCo", a); 44 assertEquals("JaCoCo", b); 45 assertSame(a, b); 46 } 47 48 @Test 49 public void testGetArrayNull() { 50 assertNull(pool.get((String[]) null)); 51 } 52 53 @Test 54 public void testGetEmptyArray() { 55 final String[] arr1 = pool.get(new String[0]); 56 final String[] arr2 = pool.get(new String[0]); 57 58 assertEquals(0, arr1.length); 59 assertSame(arr1, arr2); 60 } 61 62 @Test 63 public void testGetArray() { 64 final String[] arr1 = pool.get(new String[] { new String("JaCoCo") }); 65 final String[] arr2 = pool.get(new String[] { new String("JaCoCo") }); 66 67 assertEquals(1, arr1.length); 68 assertEquals("JaCoCo", arr1[0]); 69 assertSame(arr1[0], arr2[0]); 70 } 71 72 } 73
