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/*******************************************************************************
* 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.core.internal.analysis;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import org.junit.Before;
import org.junit.Test;
/**
* Unit tests for {@link StringPool}.
*/
public class StringPoolTest {
private StringPool pool;
@Before
public void setup() {
pool = new StringPool();
}
@Test
public void testGetStringNull() {
assertNull(pool.get((String) null));
}
@Test
public void testGetString() {
final String a = pool.get(new String("JaCoCo"));
final String b = pool.get(new String("JaCoCo"));
assertEquals("JaCoCo", a);
assertEquals("JaCoCo", b);
assertSame(a, b);
}
@Test
public void testGetArrayNull() {
assertNull(pool.get((String[]) null));
}
@Test
public void testGetEmptyArray() {
final String[] arr1 = pool.get(new String[0]);
final String[] arr2 = pool.get(new String[0]);
assertEquals(0, arr1.length);
assertSame(arr1, arr2);
}
@Test
public void testGetArray() {
final String[] arr1 = pool.get(new String[] { new String("JaCoCo") });
final String[] arr2 = pool.get(new String[] { new String("JaCoCo") });
assertEquals(1, arr1.length);
assertEquals("JaCoCo", arr1[0]);
assertSame(arr1[0], arr2[0]);
}
}
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