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.dummyExt;
26
27 import static org.junit.Assert.assertEquals;
28
29 import org.junit.Test;
30 import org.slf4j.MDC;
31 import org.slf4j.ext.MDCStrLookup;
32
33 public class MDCStrLookupTest {
34
35 @Test
36 public void testLookup() throws Exception {
37 MDC.put("key", "value");
38 MDC.put("number", "2");
39 MDCStrLookup lookup = new MDCStrLookup();
40 assertEquals("value", lookup.lookup("key"));
41 assertEquals("2", lookup.lookup("number"));
42 assertEquals(null, lookup.lookup(null));
43 assertEquals(null, lookup.lookup(""));
44 assertEquals(null, lookup.lookup("other"));
45 }
46 }