1 /*

     2  * Copyright (c) 2015, 2016, 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  * @summary NPE while compiling empty source file with --module-source-path option

    27  * @library /tools/lib

    28  * @modules

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

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

    31  * @build toolbox.ToolBox toolbox.JavacTask ModuleTestBase

    32  * @run main NPEEmptyFileTest

    33  */

    34 

    35 import java.nio.file.Files;

    36 import java.nio.file.Path;

    37 

    38 import toolbox.JavacTask;

    39 import toolbox.Task;

    40 import toolbox.ToolBox;

    41 

    42 public class NPEEmptyFileTest extends ModuleTestBase {

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

    44         new NPEEmptyFileTest().runTests();

    45     }

    46 

    47     @Test

    48     public void compileEmptyFile(Path base) throws Exception {

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

    50         Files.createDirectories(modules);

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

    52         tb.writeFile(emptyJavaFile, "");

    53         new JavacTask(tb, Task.Mode.EXEC)

    54                 .options("--module-source-path", modules.toString(),

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

    56                 .run()

    57                 .writeAll();

    58     }

    59 }