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
144
145
146
147
148
149
150
151
152
153
154
|
/*
* Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.io.BufferedReader;
import java.io.IOException;
import java.nio.file.Path;
import java.util.List;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
import java.util.logging.StreamHandler;
import java.util.stream.Stream;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
import org.junit.jupiter.params.ParameterizedTest;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.fail;
/*
* @test
* @summary verify logging of call to System.exit or Runtime.exit.
* @requires vm.flagless
* @run junit/othervm RuntimeExitLogTest
*/
public class RuntimeExitLogTest {
private static final String TEST_JDK = System.getProperty("test.jdk");
private static final String TEST_SRC = System.getProperty("test.src");
private static Object HOLD_LOGGER;
/**
* Call System.exit() with the parameter (or zero if not supplied).
* @param args zero or 1 argument, an exit status
*/
public static void main(String[] args) throws InterruptedException {
int status = args.length > 0 ? Integer.parseInt(args[0]) : 0;
if (System.getProperty("ThrowingHandler") != null) {
HOLD_LOGGER = ThrowingHandler.installHandler();
}
System.exit(status);
}
/**
* Test various log level settings, and none.
* @return a stream of arguments for parameterized test
*/
private static Stream<Arguments> logParamProvider() {
return Stream.of(
// Logging enabled with level DEBUG
Arguments.of(List.of("-Djava.util.logging.config.file=" +
Path.of(TEST_SRC, "ExitLogging-FINE.properties").toString()), 1,
"Runtime.exit() called with status: 1"),
// Logging disabled due to level
Arguments.of(List.of("-Djava.util.logging.config.file=" +
Path.of(TEST_SRC, "ExitLogging-INFO.properties").toString()), 2,
""),
// Console logger
Arguments.of(List.of("--limit-modules", "java.base",
"-Djdk.system.logger.level=DEBUG"), 3,
"Runtime.exit() called with status: 3"),
// Console logger
Arguments.of(List.of(), 4, ""),
// Throwing Handler
Arguments.of(List.of("-DThrowingHandler",
"-Djava.util.logging.config.file=" +
Path.of(TEST_SRC, "ExitLogging-FINE.properties").toString()), 5,
"Runtime.exit(5) logging failed: Exception in publish")
);
}
/**
* Check that the logger output of a launched process contains the expected message.
* @param logProps The name of the log.properties file to set on the command line
* @param status the expected exit status of the process
* @param expectMessage log should contain the message
*/
@ParameterizedTest
@MethodSource("logParamProvider")
public void checkLogger(List<String> logProps, int status, String expectMessage) {
ProcessBuilder pb = new ProcessBuilder();
pb.redirectErrorStream(true);
List<String> cmd = pb.command();
cmd.add(Path.of(TEST_JDK,"bin", "java").toString());
cmd.addAll(logProps);
cmd.add(this.getClass().getName());
cmd.add(Integer.toString(status));
try {
Process process = pb.start();
try (BufferedReader reader = process.inputReader()) {
List<String> lines = reader.lines().toList();
boolean match = (expectMessage.isEmpty())
? lines.size() == 0
: lines.stream().filter(s -> s.contains(expectMessage)).findFirst().isPresent();
if (!match) {
// Output lines for debug
System.err.println("Expected: \"" + expectMessage + "\"");
System.err.println("---- Actual output begin");
lines.forEach(l -> System.err.println(l));
System.err.println("---- Actual output end");
fail("Unexpected log contents");
}
}
int result = process.waitFor();
assertEquals(status, result, "Exit status");
} catch (IOException | InterruptedException ex) {
fail(ex);
}
}
/**
* A LoggingHandler that throws an Exception.
*/
public static class ThrowingHandler extends StreamHandler {
// Install this handler for java.lang.Runtime
public static Logger installHandler() {
Logger logger = Logger.getLogger("java.lang.Runtime");
logger.addHandler(new ThrowingHandler());
return logger;
}
@Override
public synchronized void publish(LogRecord record) {
super.publish(record);
throw new RuntimeException("Exception in publish");
}
}
}
|
