COWArrayListTest.java

/*
 * Logback: the reliable, generic, fast and flexible logging framework.
 * Copyright (C) 1999-2026, QOS.ch. All rights reserved.
 *
 * This program and the accompanying materials are dual-licensed under
 * either the terms of the Eclipse Public License v2.0 as published by
 * the Eclipse Foundation
 *
 *   or (per the licensee's choosing)
 *
 * under the terms of the GNU Lesser General Public License version 2.1
 * as published by the Free Software Foundation.
 */

package ch.qos.logback.core.util;

import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertArrayEquals;

public class COWArrayListTest {

    Integer[] model = new Integer[0];
    COWArrayList<Integer> cowaList = new COWArrayList<Integer>(model);

    @BeforeEach
    public void setUp() throws Exception {
    }

    @AfterEach
    public void tearDown() throws Exception {
    }

    @Test
    public void basicToArray() {
        cowaList.add(1);
        Object[] result = cowaList.toArray();
        assertArrayEquals(new Integer[] { 1 }, result);
    }

    @Test
    public void basicToArrayWithModel() {
        cowaList.add(1);
        Integer[] result = cowaList.toArray(model);
        assertArrayEquals(new Integer[] { 1 }, result);
    }

    @Test
    public void basicToArrayTyped() {
        cowaList.add(1);
        Integer[] result = cowaList.asTypedArray();
        assertArrayEquals(new Integer[] { 1 }, result);
    }

}