T6759996.java revision 150:8ae974495e73 
1/*
2 * Copyright 2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 */
23
24/*
25 * @test
26 * @bug 6759996
27 * @summary javac should ignore empty entries on paths
28 */
29
30import java.io.File;
31import java.io.FileWriter;
32import java.io.IOException;
33import java.io.PrintWriter;
34import java.io.StringWriter;
35import java.io.Writer;
36
37public class T6759996 {
38    public static void main(String[] args) throws Exception {
39        new T6759996().run();
40    }
41
42    void run() throws IOException, InterruptedException {
43        String PS = File.pathSeparator;
44        write(new File("A.java"), "class A { }");
45        write(new File("B.java"), "class B extends A { }");
46        // In the following line, the presence of the empty element
47        // should not mask the presence of the "." element on the path
48        javac("-verbose", "-sourcepath", "" + PS + ".", "B.java");
49    }
50
51    void javac(String... args) throws IOException, InterruptedException {
52        StringWriter sw = new StringWriter();
53        PrintWriter out = new PrintWriter(sw);
54        int rc = com.sun.tools.javac.Main.compile(args, out);
55        System.out.println(sw.toString());
56        if (rc != 0)
57            throw new Error("javac failed: rc=" + rc);
58
59    }
60
61    void write(File to, String body) throws IOException {
62        System.err.println("write " + to);
63        File toDir = to.getParentFile();
64        if (toDir != null) {
65            boolean ok = toDir.mkdirs();
66            if (!ok) {
67                throw new Error("could not create directory " + toDir);
68            }
69        }
70        Writer out = new FileWriter(to);
71        try {
72            out.write(body);
73            if (!body.endsWith("\n"))
74                out.write("\n");
75        } finally {
76            out.close();
77        }
78    }
79}
80