1/*
2 * Copyright (c) 2008, 2015, 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 6759996
27 * @summary javac should ignore empty entries on paths
28 * @modules jdk.compiler
29 */
30
31import java.io.File;
32import java.io.FileWriter;
33import java.io.IOException;
34import java.io.PrintWriter;
35import java.io.StringWriter;
36import java.io.Writer;
37
38public class T6759996 {
39    public static void main(String[] args) throws Exception {
40        new T6759996().run();
41    }
42
43    void run() throws IOException, InterruptedException {
44        String PS = File.pathSeparator;
45        write(new File("A.java"), "class A { }");
46        write(new File("B.java"), "class B extends A { }");
47        // In the following line, the presence of the empty element
48        // should not mask the presence of the "." element on the path
49        javac("-verbose", "-sourcepath", "" + PS + ".", "B.java");
50    }
51
52    void javac(String... args) throws IOException, InterruptedException {
53        StringWriter sw = new StringWriter();
54        PrintWriter out = new PrintWriter(sw);
55        int rc = com.sun.tools.javac.Main.compile(args, out);
56        System.out.println(sw.toString());
57        if (rc != 0)
58            throw new Error("javac failed: rc=" + rc);
59
60    }
61
62    void write(File to, String body) throws IOException {
63        System.err.println("write " + to);
64        File toDir = to.getParentFile();
65        if (toDir != null) {
66            boolean ok = toDir.mkdirs();
67            if (!ok) {
68                throw new Error("could not create directory " + toDir);
69            }
70        }
71        Writer out = new FileWriter(to);
72        try {
73            out.write(body);
74            if (!body.endsWith("\n"))
75                out.write("\n");
76        } finally {
77            out.close();
78        }
79    }
80}
81