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
|
/*
* Copyright (c) 2005, 2012, 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.
*/
/*
* @test
* @bug 6304912
* @summary unit test for Log
*/
import java.io.InputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URI;
import javax.tools.JavaFileObject;
import javax.tools.SimpleJavaFileObject;
import com.sun.tools.javac.file.JavacFileManager;
import com.sun.tools.javac.parser.Parser;
import com.sun.tools.javac.parser.ParserFactory;
import com.sun.tools.javac.tree.EndPosTable;
import com.sun.tools.javac.tree.JCTree;
import com.sun.tools.javac.tree.TreeScanner;
import com.sun.tools.javac.util.Context;
import com.sun.tools.javac.util.Log;
import com.sun.tools.javac.util.JCDiagnostic;
import com.sun.tools.javac.util.Options;
public class TestLog
{
public static void main(String... args) throws IOException {
test(false);
test(true);
}
static void test(boolean genEndPos) throws IOException {
Context context = new Context();
Options options = Options.instance(context);
options.put("diags", "%b:%s/%o/%e:%_%t%m|%p%m");
Log log = Log.instance(context);
log.multipleErrors = true;
JavacFileManager.preRegister(context);
ParserFactory pfac = ParserFactory.instance(context);
final String text =
"public class Foo {\n"
+ " public static void main(String[] args) {\n"
+ " if (args.length == 0)\n"
+ " System.out.println(\"no args\");\n"
+ " else\n"
+ " System.out.println(args.length + \" args\");\n"
+ " }\n"
+ "}\n";
JavaFileObject fo = new StringJavaFileObject("Foo", text);
log.useSource(fo);
CharSequence cs = fo.getCharContent(true);
Parser parser = pfac.newParser(cs, false, genEndPos, false);
JCTree.JCCompilationUnit tree = parser.parseCompilationUnit();
log.setEndPosTable(fo, tree.endPositions);
TreeScanner ts = new LogTester(log, tree.endPositions);
ts.scan(tree);
check(log.nerrors, 4, "errors");
check(log.nwarnings, 4, "warnings");
}
private static void check(int found, int expected, String name) {
if (found == expected)
System.err.println(found + " " + name + " found, as expected.");
else {
System.err.println("incorrect number of " + name + " found.");
System.err.println("expected: " + expected);
System.err.println(" found: " + found);
throw new IllegalStateException("test failed");
}
}
private static class LogTester extends TreeScanner {
LogTester(Log log, EndPosTable endPosTable) {
this.log = log;
this.endPosTable = endPosTable;
}
public void visitIf(JCTree.JCIf tree) {
JCDiagnostic.DiagnosticPosition nil = null;
// generate dummy messages to exercise the log API
log.error("not.stmt");
log.error(tree.pos, "not.stmt");
log.error(tree.pos(), "not.stmt");
log.error(nil, "not.stmt");
log.warning("div.zero");
log.warning(tree.pos, "div.zero");
log.warning(tree.pos(), "div.zero");
log.warning(nil, "div.zero");
}
private Log log;
private EndPosTable endPosTable;
}
private static class StringJavaFileObject extends SimpleJavaFileObject {
StringJavaFileObject(String name, String text) {
super(URI.create(name), JavaFileObject.Kind.SOURCE);
this.text = text;
}
public CharSequence getCharContent(boolean b) {
return text;
}
public InputStream openInputStream() {
throw new UnsupportedOperationException();
}
public OutputStream openOutputStream() {
throw new UnsupportedOperationException();
}
private String text;
}
}
|
