    001/**
    002 * Copyright (c) 2004-2011 QOS.ch
    003 * All rights reserved.
    004 *
    005 * Permission is hereby granted, free  of charge, to any person obtaining
    006 * a  copy  of this  software  and  associated  documentation files  (the
    007 * "Software"), to  deal in  the Software without  restriction, including
    008 * without limitation  the rights to  use, copy, modify,  merge, publish,
    009 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
    010 * permit persons to whom the Software  is furnished to do so, subject to
    011 * the following conditions:
    012 *
    013 * The  above  copyright  notice  and  this permission  notice  shall  be
    014 * included in all copies or substantial portions of the Software.
    015 *
    016 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
    017 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
    018 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
    019 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
    020 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
    021 * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
    022 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
    023 *
    024 */
    025package org.apache.log4j;
    026
    027import static org.junit.Assert.assertEquals;
    028
    029import org.junit.After;
    030import org.junit.Before;
    031import org.junit.Test;
    032
    033/**
    034 * @author Ceki G&uuml;lc&uuml;
    035 */
    036public class NDCTest {
    037
    038    @Before
    039    public void setUp() {
    040        assertEquals(0, NDC.getDepth());
    041    }
    042
    043    @After
    044    public void tearDown() {
    045        NDC.clear();
    046    }
    047
    048    @Test
    049    public void testSmoke() {
    050        NDC.push("a");
    051        String back = NDC.pop();
    052        assertEquals("a", back);
    053    }
    054
    055    @Test
    056    public void testPop() {
    057        NDC.push("peek");
    058        String back = NDC.peek();
    059        assertEquals("peek", back);
    060    }
    061
    062    @Test
    063    public void testClear() {
    064        NDC.push("clear");
    065        NDC.clear();
    066        assertEquals(0, NDC.getDepth());
    067    }
    068
    069}