jdk/test/java/lang/String/concat/StringConcatFactoryEmptyMethods.java
author shade
Tue, 02 Feb 2016 18:15:15 +0300
changeset 35639 f34e7e8b4eac
child 40684 2e37c119dc2a
permissions -rw-r--r--
8148787: StringConcatFactory exactness check produces bad bytecode when a non-arg concat is requested Reviewed-by: vlivanov, psandoz
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/*
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 * Copyright (c) 2016, 2016, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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import java.io.Serializable;
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import java.lang.invoke.*;
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import java.util.concurrent.Callable;
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/**
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 * @test
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 * @summary StringConcatFactory exactness check produces bad bytecode when a non-arg concat is requested
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 * @bug 8148787
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 *
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 * @compile StringConcatFactoryEmptyMethods.java
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 *
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 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT  -Djava.lang.invoke.stringConcat.debug=true StringConcatFactoryEmptyMethods
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 *
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*/
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public class StringConcatFactoryEmptyMethods {
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    public static void main(String[] args) throws Throwable {
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        StringConcatFactory.makeConcat(
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            MethodHandles.lookup(),
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            "foo",
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            MethodType.methodType(String.class)
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        );
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        StringConcatFactory.makeConcatWithConstants(
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            MethodHandles.lookup(),
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            "foo",
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            MethodType.methodType(String.class),
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            ""
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        );
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    }
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}