1 /**
2 * Copyright (c) 2004-2016 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 java.io.PrintStream;
28 import java.util.Random;
29
30 import org.junit.After;
31 import org.junit.Before;
32 import org.junit.Test;
33
34 public class NoProviderAssertionTest {
35
36 StringPrintStream sps = new StringPrintStream(System.err);
37 PrintStream old = System.err;
38 int diff = 1024 + new Random().nextInt(10000);
39
40 @Before
41 public void setUp() throws Exception {
42 System.setErr(sps);
43 }
44
45 @After
46 public void tearDown() throws Exception {
47 System.setErr(old);
48 }
49
50 @Test
51 public void test() throws Exception {
52 Logger logger = LoggerFactory.getLogger(this.getClass());
53 String msg = "hello world " + diff;
54 logger.info(msg);
55 OutputVerifier.noProvider(sps);
56 }
57 }