PublicInterfaceTest.java

import java.nio.file.Path;
import java.nio.file.Paths;

/*
 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * under the terms of the GNU General Public License version 2 only, as
 * 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).
 *
 * 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 4866831
 * @summary Verify that javap marks public interfaces as public
 * @library /tools/javac/lib
 * @build ToolBox
 * @run main PublicInterfaceTest
 */

//original test: test/tools/javap/PublicInterfaceTest.sh
public class PublicInterfaceTest {
    public interface Test {}

    public static void main(String[] args) throws Exception {
//        "$JAVAP" ${TESTTOOLVMOPTS} -classpath "${TESTCLASSES}" NotPackagePrivateInterface | grep public
        Path pathToClass = Paths.get(System.getProperty("test.classes"),
                "PublicInterfaceTest$Test.class");
        ToolBox.JavaToolArgs javapParams =
                new ToolBox.JavaToolArgs()
                .setAllArgs(pathToClass.toString());
        if (!ToolBox.javap(javapParams).contains("public"))
            throw new AssertionError("The javap output does not contain \"public\"");
    }

}