1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
/**
* Copyright (c) 2004-2011 QOS.ch
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
package org.slf4j.simple;
import static org.junit.Assert.assertNull;
import java.io.PrintStream;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.MDC;
import org.slf4j.Marker;
import org.slf4j.MarkerFactory;
/**
* Test whether invoking the SLF4J API causes problems or not.
*
* @author Ceki Gulcu
*
*/
public class InvocationTest {
PrintStream old = System.err;
@Before
public void setUp() throws Exception {
System.setErr(new SilentPrintStream(old));
}
@After
public void tearDown() throws Exception {
System.setErr(old);
}
@Test
public void test1() {
Logger logger = LoggerFactory.getLogger("test1");
logger.debug("Hello world.");
}
@Test
public void test2() {
Integer i1 = Integer.valueOf(1);
Integer i2 = Integer.valueOf(2);
Integer i3 = Integer.valueOf(3);
Exception e = new Exception("This is a test exception.");
Logger logger = LoggerFactory.getLogger("test2");
logger.debug("Hello world 1.");
logger.debug("Hello world {}", i1);
logger.debug("val={} val={}", i1, i2);
logger.debug("val={} val={} val={}", new Object[] { i1, i2, i3 });
logger.debug("Hello world 2", e);
logger.info("Hello world 2.");
logger.warn("Hello world 3.");
logger.warn("Hello world 3", e);
logger.error("Hello world 4.");
logger.error("Hello world {}", Integer.valueOf(3));
logger.error("Hello world 4.", e);
}
// http://jira.qos.ch/browse/SLF4J-69
// formerly http://bugzilla.slf4j.org/show_bug.cgi?id=78
@Test
public void testNullParameter_BUG78() {
Logger logger = LoggerFactory.getLogger("testNullParameter_BUG78");
String[] parameters = null;
String msg = "hello {}";
logger.info(msg, (Object[]) parameters);
}
@Test
public void testNull() {
Logger logger = LoggerFactory.getLogger("testNull");
logger.debug(null);
logger.info(null);
logger.warn(null);
logger.error(null);
Exception e = new Exception("This is a test exception.");
logger.debug(null, e);
logger.info(null, e);
logger.warn(null, e);
logger.error(null, e);
}
@Test
public void testMarker() {
Logger logger = LoggerFactory.getLogger("testMarker");
Marker blue = MarkerFactory.getMarker("BLUE");
logger.debug(blue, "hello");
logger.info(blue, "hello");
logger.warn(blue, "hello");
logger.error(blue, "hello");
logger.debug(blue, "hello {}", "world");
logger.info(blue, "hello {}", "world");
logger.warn(blue, "hello {}", "world");
logger.error(blue, "hello {}", "world");
logger.debug(blue, "hello {} and {} ", "world", "universe");
logger.info(blue, "hello {} and {} ", "world", "universe");
logger.warn(blue, "hello {} and {} ", "world", "universe");
logger.error(blue, "hello {} and {} ", "world", "universe");
}
@Test
public void testMDC() {
MDC.put("k", "v");
assertNull(MDC.get("k"));
MDC.remove("k");
assertNull(MDC.get("k"));
MDC.clear();
}
}
|