T6725036.java revision 2734:b96d74fa60aa 
1/*
2 * Copyright (c) 2008, 2014, 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 */
23
24/*
25 * @test
26 * @bug 6725036 8016760
27 * @summary javac returns incorrect value for lastModifiedTime() when
28 *          source is a zip file archive
29 */
30
31import java.io.File;
32import java.util.Date;
33import java.util.jar.JarEntry;
34import java.util.jar.JarFile;
35import javax.tools.JavaFileObject;
36
37import com.sun.tools.javac.file.JavacFileManager;
38import com.sun.tools.javac.file.RelativePath.RelativeFile;
39import com.sun.tools.javac.file.ZipFileIndex;
40import com.sun.tools.javac.file.ZipFileIndexArchive;
41import com.sun.tools.javac.file.ZipFileIndexCache;
42import com.sun.tools.javac.util.Context;
43
44public class T6725036 {
45    public static void main(String... args) throws Exception {
46        new T6725036().run();
47    }
48
49    void run() throws Exception {
50        RelativeFile TEST_ENTRY_NAME = new RelativeFile("java/lang/String.class");
51
52        File f = new File(System.getProperty("java.home"));
53        if (!f.getName().equals("jre"))
54            f = new File(f, "jre");
55        File rt_jar = new File(new File(f, "lib"), "rt.jar");
56
57        JarFile j = new JarFile(rt_jar);
58        JarEntry je = j.getJarEntry(TEST_ENTRY_NAME.getPath());
59        long jarEntryTime = je.getTime();
60
61        ZipFileIndexCache zfic = ZipFileIndexCache.getSharedInstance();
62        ZipFileIndex zfi = zfic.getZipFileIndex(rt_jar.toPath(), null, false, null, false);
63        long zfiTime = zfi.getLastModified(TEST_ENTRY_NAME);
64
65        check(je, jarEntryTime, zfi + ":" + TEST_ENTRY_NAME.getPath(), zfiTime);
66
67        Context context = new Context();
68        JavacFileManager fm = new JavacFileManager(context, false, null);
69        ZipFileIndexArchive zfia = new ZipFileIndexArchive(fm, zfi);
70        JavaFileObject jfo =
71            zfia.getFileObject(TEST_ENTRY_NAME.dirname(),
72                                   TEST_ENTRY_NAME.basename());
73        long jfoTime = jfo.getLastModified();
74
75        check(je, jarEntryTime, jfo, jfoTime);
76
77        if (errors > 0)
78            throw new Exception(errors + " occurred");
79    }
80
81    void check(Object ref, long refTime, Object test, long testTime) {
82        if (refTime == testTime)
83            return;
84        System.err.println("Error: ");
85        System.err.println("Expected: " + getText(ref, refTime));
86        System.err.println("   Found: " + getText(test, testTime));
87        errors++;
88    }
89
90    String getText(Object x, long t) {
91        return String.format("%14d", t) + " (" + new Date(t) + ") from " + x;
92    }
93
94    int errors;
95}
96