jdk/test/java/lang/String/concat/StringConcatFactoryEmptyMethods.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
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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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 * 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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import java.io.Serializable;
import java.lang.invoke.*;
import java.util.concurrent.Callable;

/**
 * @test
 * @summary StringConcatFactory exactness check produces bad bytecode when a non-arg concat is requested
 * @bug 8148787
 *
 * @compile StringConcatFactoryEmptyMethods.java
 *
 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT  -Djava.lang.invoke.stringConcat.debug=true StringConcatFactoryEmptyMethods
 *
*/
public class StringConcatFactoryEmptyMethods {

    public static void main(String[] args) throws Throwable {
        StringConcatFactory.makeConcat(
            MethodHandles.lookup(),
            "foo",
            MethodType.methodType(String.class)
        );

        StringConcatFactory.makeConcatWithConstants(
            MethodHandles.lookup(),
            "foo",
            MethodType.methodType(String.class),
            ""
        );
    }

}