1 /*

     2  * Copyright (c) 2013, 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  * @bug 4942232

    27  * @summary Verifies that javah won't attempt to generate a header file if a

    28  * native method in a supplied class contains a parameter type whose corresponding

    29  * class is missing or not in the classpath

    30  * @library /tools/lib

    31  * @modules jdk.compiler/com.sun.tools.javac.api

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

    33  *          jdk.compiler/com.sun.tools.javah

    34  * @build toolbox.ToolBox toolbox.JavahTask

    35  * @run compile MissingParamClassTest.java

    36  * @clean MissingParamClassException

    37  * @run main MissingParamClassTest

    38  * @run compile MissingParamClassTest.java

    39  * @clean Param

    40  * @run main MissingParamClassTest

    41  */

    42 

    43 import java.nio.file.Files;

    44 import java.nio.file.Paths;

    45 

    46 import toolbox.JavahTask;

    47 import toolbox.Task;

    48 import toolbox.ToolBox;

    49 

    50 // Original test: test/tools/javah/MissingParamClassTest.sh

    51 public class MissingParamClassTest {

    52 

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

    54         ToolBox tb = new ToolBox();

    55 

    56         String out = new JavahTask(tb)

    57                 .classpath(ToolBox.testClasses)

    58                 .classes("ParamClassTest")

    59                 .run(Task.Expect.FAIL)

    60                 .getOutput(Task.OutputKind.DIRECT);

    61 

    62         if (Files.exists(Paths.get("ParamClassTest.h")) || out.isEmpty())

    63             throw new AssertionError("The only output generated by javah must be an error message");

    64     }

    65 

    66 }

    67 

    68 class MissingParamClassException extends Exception {

    69     public MissingParamClassException() {

    70         System.out.println("MissingParamClassException constructor called");

    71     }

    72 }

    73 

    74 class ParamClassTest {

    75     public native void method(Param s);

    76 

    77     public static void main(String args[]) {

    78     }

    79 }

    80 

    81 class Param extends MissingParamClassException {

    82     Param() {

    83         System.out.println("Param constructor");

    84     }

    85 }