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 

    30 import java.io.File;

    31 import java.io.FileWriter;

    32 import java.io.IOException;

    33 import java.io.PrintWriter;

    34 import java.io.StringWriter;

    35 import java.io.Writer;

    36 

    37 public 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 }