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 26 package org.slf4j; 27 28 import static org.junit.Assert.assertEquals; 29 import static org.junit.Assert.assertTrue; 30 31 import java.io.PrintStream; 32 import java.util.Random; 33 34 import org.junit.After; 35 import org.junit.Before; 36 import org.junit.Test; 37 38 public class CompatibilityAssertionTest { 39 40 StringPrintStream sps = new StringPrintStream(System.err); 41 PrintStream old = System.err; 42 int diff = 1024 + new Random().nextInt(10000); 43 44 @Before setUp()45 public void setUp() throws Exception { 46 System.setErr(sps); 47 } 48 49 @After tearDown()50 public void tearDown() throws Exception { 51 System.setErr(old); 52 } 53 54 @Test test()55 public void test() throws Exception { 56 Logger logger = LoggerFactory.getLogger(this.getClass()); 57 String msg = "hello world " + diff; 58 logger.info(msg); 59 assertEquals(1, sps.stringList.size()); 60 String s0 = (String) sps.stringList.get(0); 61 assertTrue(s0.contains(msg)); 62 63 } 64 } 65