Thu, 25 Jul 2013 14:51:40 +0100
8020843: javac crashes on accessibility check with method reference with typevar receiver
Summary: method reference overload check doesn't walk through type-variable receivers
Reviewed-by: jjg
1 /*
2 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
24 /*
25 * @test
26 * @bug 6665791
27 * @summary com.sun.source.tree.MethodTree.toString() does not output default values
28 */
30 import java.io.File;
31 import java.io.IOException;
32 import java.io.StringWriter;
33 import javax.tools.JavaCompiler;
34 import javax.tools.JavaFileObject;
35 import javax.tools.StandardJavaFileManager;
36 import javax.tools.ToolProvider;
37 import com.sun.source.tree.ClassTree;
38 import com.sun.source.util.JavacTask;
39 import com.sun.source.util.TreeScanner;
40 import java.io.FileWriter;
42 public class T6665791 {
43 static String test = "public @interface Annotation { boolean booleanProperty() default false; }";
44 static File test_java = new File("Test.java");
46 public static void main(String[] args) throws Exception {
47 write(test_java, test);
49 JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
50 StandardJavaFileManager manager =
51 compiler.getStandardFileManager(null, null, null);
52 Iterable<? extends JavaFileObject> units = manager.getJavaFileObjects(test_java);
53 final StringWriter sw = new StringWriter();
54 JavacTask task = (JavacTask) compiler.getTask(sw, manager, null, null,
55 null, units);
57 new TreeScanner<Boolean, Void>() {
58 @Override
59 public Boolean visitClass(ClassTree arg0, Void arg1) {
60 sw.write(arg0.toString());
61 return super.visitClass(arg0, arg1);
62 }
63 }.scan(task.parse(), null);
65 System.out.println("output:");
66 System.out.println(sw.toString());
67 String found = sw.toString().replaceAll("\\s+", " ").trim();
68 String expect = test.replaceAll("\\s+", " ").trim();
69 if (!expect.equals(found)) {
70 System.out.println("expect: " + expect);
71 System.out.println("found: " + found);
72 throw new Exception("unexpected output");
73 }
74 }
76 static void write(File file, String body) throws IOException {
77 FileWriter out = new FileWriter(file);
78 out.write(body);
79 out.close();
80 }
81 }