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) 2008, 2013, 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 6558476
27 * @summary com/sun/tools/javac/Main.compile don't release file handles on return
28 * @run main/othervm -Xmx512m -Xms512m T6558476
29 */
31 import java.io.File;
32 import java.io.FileInputStream;
33 import java.io.FileOutputStream;
34 import java.io.IOException;
35 import java.util.Random;
37 import com.sun.tools.javac.Main;
39 public class T6558476 {
40 private static File copyFileTo(File file, File directory) throws IOException {
41 File newFile = new File(directory, file.getName());
42 FileInputStream fis = null;
43 FileOutputStream fos = null;
44 try {
45 fis = new FileInputStream(file);
46 fos = new FileOutputStream(newFile);
47 byte buff[] = new byte[1024];
48 int val;
49 while ((val = fis.read(buff)) > 0)
50 fos.write(buff, 0, val);
51 } finally {
52 if (fis != null)
53 fis.close();
54 if (fos != null)
55 fos.close();
56 }
57 return newFile;
58 }
60 private static String generateJavaClass(String className) {
61 StringBuffer sb = new StringBuffer();
62 sb.append("import sun.net.spi.nameservice.dns.DNSNameService;\n");
63 sb.append("public class ");
64 sb.append(className);
65 sb.append(" {\n");
66 sb.append(" public void doStuff() {\n");
67 sb.append(" DNSNameService dns = null;\n");
68 sb.append(" }\n");
69 sb.append("}\n");
70 return sb.toString();
71 }
73 public static void main(String[] args) throws IOException {
74 File javaHomeDir = new File(System.getProperty("java.home"));
75 File outputDir = new File("outputDir" + new Random().nextInt(65536));
76 outputDir.mkdir();
77 outputDir.deleteOnExit();
79 File dnsjarfile = new File(javaHomeDir, "lib" + File.separator + "ext" + File.separator + "dnsns.jar");
80 File tmpJar = copyFileTo(dnsjarfile, outputDir);
81 String className = "TheJavaFile";
82 File javaFile = new File(outputDir, className + ".java");
83 javaFile.deleteOnExit();
84 FileOutputStream fos = new FileOutputStream(javaFile);
85 fos.write(generateJavaClass(className).getBytes());
86 fos.close();
88 int rc = Main.compile(new String[]{"-d", outputDir.getPath(),
89 "-classpath",
90 tmpJar.getPath(),
91 javaFile.getAbsolutePath()});
92 if (rc != 0) {
93 throw new Error("Couldn't compile the file (exit code=" + rc + ")");
94 }
96 if (tmpJar.delete()) {
97 System.out.println("jar file successfully deleted");
98 } else {
99 throw new Error("Error deleting file \"" + tmpJar.getPath() + "\"");
100 }
101 }
102 }