test/langtools/tools/javac/unicode/SupplementaryJavaID6.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * 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 4914724 4973116 5014511
 * @summary Ensure that a supplementary character can be used as part/whole of a
 * class name on platforms that have Unicode aware filesystems.
 * @modules jdk.compiler
 * @build Wrapper
 * @run main Wrapper SupplementaryJavaID6
 */

public class SupplementaryJavaID6 {
    public static void main(String[] s) {
        new SupplementaryJavaID6().test();
    }

    void test() {
        \ud801\udc00 instance = new \ud801\udc00();
        instance.\ud801\udc01();
    }

    class \ud801\udc00 {
        void \ud801\udc01() {
            // If Java can create the strangely named class file,
            // then Java can delete it, while `rm' might be unable to.
            new java.io.File(this.getClass().getName() + ".class")
                .deleteOnExit();
            System.out.println("success");
        }
    }
}