/*

 * Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 6759996

 * @summary javac should ignore empty entries on paths

 * @modules jdk.compiler

 */

import java.io.File;

import java.io.FileWriter;

import java.io.IOException;

import java.io.PrintWriter;

import java.io.StringWriter;

import java.io.Writer;

public class T6759996 {

    public static void main(String[] args) throws Exception {

        new T6759996().run();

    }

    void run() throws IOException, InterruptedException {

        String PS = File.pathSeparator;

        write(new File("A.java"), "class A { }");

        write(new File("B.java"), "class B extends A { }");

        // In the following line, the presence of the empty element

        // should not mask the presence of the "." element on the path

        javac("-verbose", "-sourcepath", "" + PS + ".", "B.java");

    }

    void javac(String... args) throws IOException, InterruptedException {

        StringWriter sw = new StringWriter();

        PrintWriter out = new PrintWriter(sw);

        int rc = com.sun.tools.javac.Main.compile(args, out);

        System.out.println(sw.toString());

        if (rc != 0)

            throw new Error("javac failed: rc=" + rc);

    }

    void write(File to, String body) throws IOException {

        System.err.println("write " + to);

        File toDir = to.getParentFile();

        if (toDir != null) {

            boolean ok = toDir.mkdirs();

            if (!ok) {

                throw new Error("could not create directory " + toDir);

            }

        }

        Writer out = new FileWriter(to);

        try {

            out.write(body);

            if (!body.endsWith("\n"))

                out.write("\n");

        } finally {

            out.close();

        }

    }

}