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 */ 025 026package org.slf4j; 027 028import java.io.PrintStream; 029import java.util.Random; 030 031import junit.framework.TestCase; 032 033public class CompatibilityAssertionTest extends TestCase { 034 035 StringPrintStream sps = new StringPrintStream(System.err); 036 PrintStream old = System.err; 037 int diff = 1024 + new Random().nextInt(10000); 038 039 public CompatibilityAssertionTest(String name) { 040 super(name); 041 } 042 043 protected void setUp() throws Exception { 044 super.setUp(); 045 System.setErr(sps); 046 } 047 048 protected void tearDown() throws Exception { 049 super.tearDown(); 050 System.setErr(old); 051 } 052 053 public void test() throws Exception { 054 Logger logger = LoggerFactory.getLogger(this.getClass()); 055 String msg = "hello world " + diff; 056 logger.info(msg); 057 assertEquals(1, sps.stringList.size()); 058 String s0 = (String) sps.stringList.get(0); 059 assertTrue(s0.contains(msg)); 060 } 061}