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 }