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
|
/*
* Copyright (c) 2024, 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 8325362
* @summary Test SimpleJavaFileObject
* @library /tools/lib
* @modules
* jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.main
* @run main TestSimpleJavaFileObject
*/
import java.io.IOException;
import java.net.URI;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.tools.Diagnostic.Kind;
import javax.tools.DiagnosticListener;
import javax.tools.FileObject;
import javax.tools.ForwardingJavaFileManager;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileManager;
import javax.tools.JavaFileObject;
import javax.tools.SimpleJavaFileObject;
import javax.tools.ToolProvider;
import toolbox.TestRunner;
public class TestSimpleJavaFileObject extends TestRunner {
public TestSimpleJavaFileObject() {
super(System.err);
}
public static void main(String... args) throws Exception {
TestSimpleJavaFileObject t = new TestSimpleJavaFileObject();
t.runTests(m -> new Object[] { Paths.get(m.getName()) });
}
@Test
public void testForSource(Path p) throws IOException {
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
List<String> errors = new ArrayList<>();
DiagnosticListener<JavaFileObject> noErrors = d -> {
if (d.getKind() == Kind.ERROR) {
errors.add(d.getSource().toUri().toString() + ":" +
d.getLineNumber() + ":" +
d.getColumnNumber() + ":" +
d.getCode());
}
};
try (JavaFileManager fm = compiler.getStandardFileManager(null, null, null);
LoggingFileManager rfm = new LoggingFileManager(fm)) {
JavaFileObject src = SimpleJavaFileObject.forSource(URI.create("mem:///Test.java"),
"""
public class Test {}
""");
assertTrue("compilation didn't succeed!",
compiler.getTask(null, rfm, noErrors, null, null, List.of(src))
.call());
assertTrue("no compilation errors expected, but got: " + errors,
errors.isEmpty());
Set<String> expectedWrittenClasses = Set.of("Test");
assertTrue("compiled correct classes: " + rfm.writtenClasses,
expectedWrittenClasses.equals(rfm.writtenClasses));
}
errors.clear();
JavaFileObject src = SimpleJavaFileObject.forSource(URI.create("mem:///Test.java"),
"""
public class Test {
Unknown u;
}
""");
assertTrue("compilation succeeded unexpectedly!",
!compiler.getTask(null, null, noErrors, null, null, List.of(src))
.call());
List<String> expectedCompilationErrors = List.of(
"mem:///Test.java:2:5:compiler.err.cant.resolve.location"
);
assertTrue("incorrect compilation errors, expected: " + expectedCompilationErrors +
"actual: " + errors,
expectedCompilationErrors.equals(errors));
}
private static final class LoggingFileManager extends ForwardingJavaFileManager<JavaFileManager> {
private final Set<String> writtenClasses = new HashSet<>();
public LoggingFileManager(JavaFileManager fileManager) {
super(fileManager);
}
@Override
public JavaFileObject getJavaFileForOutput(Location location,
String className,
JavaFileObject.Kind kind,
FileObject sibling) throws IOException {
writtenClasses.add(className);
return super.getJavaFileForOutput(location, className, kind, sibling);
}
}
private static void assertTrue(String message, boolean c) {
if (!c) {
throw new AssertionError(message);
}
}
}
|
