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

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 *

 * 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).

 *

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

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

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/**

 * @test

 * @summary NPE while compiling empty javafile with -modulesourcepath option

 * @library /tools/lib

 * @modules

 *      jdk.compiler/com.sun.tools.javac.api

 *      jdk.compiler/com.sun.tools.javac.main

 *      jdk.jdeps/com.sun.tools.javap

 * @build ToolBox ModuleTestBase

 * @run main NPEEmptyFileTest

 */

import java.nio.file.Files;

import java.nio.file.Path;

public class NPEEmptyFileTest extends ModuleTestBase {

    public static void main(String... args) throws Exception {

        new NPEEmptyFileTest().runTests();

    }

    @Test

    void compileEmptyFile(Path base) throws Exception {

        Path modules = base.resolve("modules");

        Files.createDirectories(modules);

        Path emptyJavaFile = base.resolve("Test.java");

        tb.writeFile(emptyJavaFile, "");

        tb.new JavacTask(ToolBox.Mode.EXEC)

                .options("-modulesourcepath", modules.toString(),

                        "-d", modules.toString(), emptyJavaFile.toString())

                .run()

                .writeAll();

    }

}