1 /**
2 * Copyright (c) 2004-2011 QOS.ch
3 * All rights reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 *
24 */
25 package org.slf4j;
26
27 import static org.junit.Assert.assertEquals;
28
29 import org.junit.Before;
30 import org.junit.Test;
31
32 public class NDCTest {
33
34 @Before
35 public void setUp() throws Exception {
36 MDC.clear();
37 }
38
39 @Test
40 public void testEmpty() {
41 assertEquals("", NDC.pop());
42 }
43
44 @Test
45 public void testSmoke() {
46 NDC.push("a");
47 String result = NDC.pop();
48 assertEquals("a", result);
49 }
50
51 @Test
52 public void testSmoke2() {
53 NDC.push("a");
54 NDC.push("b");
55 String result1 = NDC.pop();
56 String result0 = NDC.pop();
57 assertEquals("b", result1);
58 assertEquals("a", result0);
59 }
60 }