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 */
25package org.slf4j;
26
27import java.io.PrintStream;
28
29import junit.framework.TestCase;
30
31/**
32 * Test whether invoking the SLF4J API causes problems or not.
33 *
34 * @author Ceki Gulcu
35 *
36 */
37public class InvocationTest extends TestCase {
38
39    PrintStream old = System.err;
40
41    public InvocationTest(String arg0) {
42        super(arg0);
43    }
44
45    protected void setUp() throws Exception {
46        super.setUp();
47        System.setErr(new SilentPrintStream(old));
48    }
49
50    protected void tearDown() throws Exception {
51        super.tearDown();
52        System.setErr(old);
53    }
54
55    public void test1() {
56        Logger logger = LoggerFactory.getLogger("test1");
57        logger.debug("Hello world.");
58    }
59
60    public void test2() {
61        Integer i1 = new Integer(1);
62        Integer i2 = new Integer(2);
63        Integer i3 = new Integer(3);
64        Exception e = new Exception("This is a test exception.");
65        Logger logger = LoggerFactory.getLogger("test2");
66
67        logger.debug("Hello world 1.");
68        logger.debug("Hello world {}", i1);
69        logger.debug("val={} val={}", i1, i2);
70        logger.debug("val={} val={} val={}", new Object[] { i1, i2, i3 });
71
72        logger.debug("Hello world 2", e);
73        logger.info("Hello world 2.");
74
75        logger.warn("Hello world 3.");
76        logger.warn("Hello world 3", e);
77
78        logger.error("Hello world 4.");
79        logger.error("Hello world {}", new Integer(3));
80        logger.error("Hello world 4.", e);
81    }
82
83    // http://bugzilla.slf4j.org/show_bug.cgi?id=78
84    public void testNullParameter_BUG78() {
85        Logger logger = LoggerFactory.getLogger("testNullParameter_BUG78");
86        String[] parameters = null;
87        String msg = "hello {}";
88        logger.info(msg, parameters);
89    }
90
91    public void testNull() {
92        Logger logger = LoggerFactory.getLogger("testNull");
93        logger.debug(null);
94        logger.info(null);
95        logger.warn(null);
96        logger.error(null);
97
98        Exception e = new Exception("This is a test exception.");
99        logger.debug(null, e);
100        logger.info(null, e);
101        logger.warn(null, e);
102        logger.error(null, e);
103    }
104
105    public void testMarker() {
106        Logger logger = LoggerFactory.getLogger("testMarker");
107        Marker blue = MarkerFactory.getMarker("BLUE");
108        logger.debug(blue, "hello");
109        logger.info(blue, "hello");
110        logger.warn(blue, "hello");
111        logger.error(blue, "hello");
112
113        logger.debug(blue, "hello {}", "world");
114        logger.info(blue, "hello {}", "world");
115        logger.warn(blue, "hello {}", "world");
116        logger.error(blue, "hello {}", "world");
117
118        logger.debug(blue, "hello {} and {} ", "world", "universe");
119        logger.info(blue, "hello {} and {} ", "world", "universe");
120        logger.warn(blue, "hello {} and {} ", "world", "universe");
121        logger.error(blue, "hello {} and {} ", "world", "universe");
122    }
123
124    public void testMDC() {
125        MDC.put("k", "v");
126        assertNull(MDC.get("k"));
127        MDC.remove("k");
128        assertNull(MDC.get("k"));
129        MDC.clear();
130    }
131}
132