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
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  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
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  22  */
  23 
  24 /**
  25  * @test
  26  * @summary NPE while compiling empty javafile with -modulesourcepath 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 }