1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   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
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  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  * @build toolbox.ToolBox toolbox.JavahTask
  34  * @run compile MissingParamClassTest.java
  35  * @clean MissingParamClassException
  36  * @run main MissingParamClassTest
  37  * @run compile MissingParamClassTest.java
  38  * @clean Param
  39  * @run main MissingParamClassTest
  40  */
  41 
  42 import java.nio.file.Files;
  43 import java.nio.file.Paths;
  44 
  45 import toolbox.JavahTask;
  46 import toolbox.Task;
  47 import toolbox.ToolBox;
  48 
  49 // Original test: test/tools/javah/MissingParamClassTest.sh
  50 public class MissingParamClassTest {
  51 
  52     public static void main(String[] args) throws Exception {
  53         ToolBox tb = new ToolBox();
  54 
  55         String out = new JavahTask(tb)
  56                 .classpath(ToolBox.testClasses)
  57                 .classes("ParamClassTest")
  58                 .run(Task.Expect.FAIL)
  59                 .getOutput(Task.OutputKind.DIRECT);
  60 
  61         if (Files.exists(Paths.get("ParamClassTest.h")) || out.isEmpty())
  62             throw new AssertionError("The only output generated by javah must be an error message");
  63     }
  64 
  65 }
  66 
  67 class MissingParamClassException extends Exception {
  68     public MissingParamClassException() {
  69         System.out.println("MissingParamClassException constructor called");
  70     }
  71 }
  72 
  73 class ParamClassTest {
  74     public native void method(Param s);
  75 
  76     public static void main(String args[]) {
  77     }
  78 }
  79 
  80 class Param extends MissingParamClassException {
  81     Param() {
  82         System.out.println("Param constructor");
  83     }
  84 }