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, 2011, 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 6725036
27 * @ignore 8016760: failure of regression test langtools/tools/javac/T6725036.java
28 * @summary javac returns incorrect value for lastModifiedTime() when
29 * source is a zip file archive
30 */
32 import java.io.File;
33 import java.util.Date;
34 import java.util.jar.JarEntry;
35 import java.util.jar.JarFile;
36 import javax.tools.JavaFileObject;
38 import com.sun.tools.javac.file.JavacFileManager;
39 import com.sun.tools.javac.file.RelativePath.RelativeFile;
40 import com.sun.tools.javac.file.ZipFileIndex;
41 import com.sun.tools.javac.file.ZipFileIndexArchive;
42 import com.sun.tools.javac.file.ZipFileIndexCache;
43 import com.sun.tools.javac.util.Context;
45 public class T6725036 {
46 public static void main(String... args) throws Exception {
47 new T6725036().run();
48 }
50 void run() throws Exception {
51 RelativeFile TEST_ENTRY_NAME = new RelativeFile("java/lang/String.class");
53 File f = new File(System.getProperty("java.home"));
54 if (!f.getName().equals("jre"))
55 f = new File(f, "jre");
56 File rt_jar = new File(new File(f, "lib"), "rt.jar");
58 JarFile j = new JarFile(rt_jar);
59 JarEntry je = j.getJarEntry(TEST_ENTRY_NAME.getPath());
60 long jarEntryTime = je.getTime();
62 ZipFileIndexCache zfic = ZipFileIndexCache.getSharedInstance();
63 ZipFileIndex zfi = zfic.getZipFileIndex(rt_jar, null, false, null, false);
64 long zfiTime = zfi.getLastModified(TEST_ENTRY_NAME);
66 check(je, jarEntryTime, zfi + ":" + TEST_ENTRY_NAME.getPath(), zfiTime);
68 Context context = new Context();
69 JavacFileManager fm = new JavacFileManager(context, false, null);
70 ZipFileIndexArchive zfia = new ZipFileIndexArchive(fm, zfi);
71 JavaFileObject jfo =
72 zfia.getFileObject(TEST_ENTRY_NAME.dirname(),
73 TEST_ENTRY_NAME.basename());
74 long jfoTime = jfo.getLastModified();
76 check(je, jarEntryTime, jfo, jfoTime);
78 if (errors > 0)
79 throw new Exception(errors + " occurred");
80 }
82 void check(Object ref, long refTime, Object test, long testTime) {
83 if (refTime == testTime)
84 return;
85 System.err.println("Error: ");
86 System.err.println("Expected: " + getText(ref, refTime));
87 System.err.println(" Found: " + getText(test, testTime));
88 errors++;
89 }
91 String getText(Object x, long t) {
92 return String.format("%14d", t) + " (" + new Date(t) + ") from " + x;
93 }
95 int errors;
96 }