langtools/test/tools/javah/6257087/T6257087.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * published by the Free Software Foundation.
 *
 * 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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 * You should have received a copy of the GNU General Public License version
 * 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
 * @bug 6257087
 * @summary javah doesn't produce proper signatures for inner class native methods
 * @library /tools/javac/lib
 * @build ToolBox
 * @run main T6257087
 */

import java.nio.file.Paths;

public class T6257087 {

    private static final String fooBarGoldenFile =
        "/* DO NOT EDIT THIS FILE - it is machine generated */\n" +
        "#include <jni.h>\n" +
        "/* Header for class foo_bar */\n" +
        "\n" +
        "#ifndef _Included_foo_bar\n" +
        "#define _Included_foo_bar\n" +
        "#ifdef __cplusplus\n" +
        "extern \"C\" {\n" +
        "#endif\n" +
        "/*\n" +
        " * Class:     foo_bar\n" +
        " * Method:    aardvark\n" +
        " * Signature: ()V\n" +
        " */\n" +
        "JNIEXPORT void JNICALL Java_foo_00024bar_aardvark\n" +
        "  (JNIEnv *, jobject);\n" +
        "\n" +
        "#ifdef __cplusplus\n" +
        "}\n" +
        "#endif\n" +
        "#endif";

    public static void main(String[] args) throws Exception {
        ToolBox.JavaToolArgs javahArgs =
                new ToolBox.JavaToolArgs()
                .setAllArgs("-cp", System.getProperty("test.classes"), "foo");
        ToolBox.javah(javahArgs);

        ToolBox.compareLines(Paths.get("foo_bar.h"),
                ToolBox.splitLines(fooBarGoldenFile, "\n"), null, true);
    }

}

class foo {
    class bar {
        public native void aardvark();
    }
}