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CustomizedLambdaFormTest.java
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CustomizedLambdaFormTest.java
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/*
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
* 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandleHelper;
import java.lang.invoke.MethodType;
/* @test
* @summary Assertion in LambdaFormEditor.bindArgumentType is too strong
*
* @compile/module=java.base java/lang/invoke/MethodHandleHelper.java
* @run main/othervm -esa CustomizedLambdaFormTest
*/
public class CustomizedLambdaFormTest {
static void testExtendCustomizedBMH() throws Exception {
// Construct BMH
MethodHandle mh = MethodHandleHelper.IMPL_LOOKUP.findVirtual(String.class, "concat",
MethodType.methodType(String.class, String.class))
.bindTo("a");
MethodHandleHelper.customize(mh);
mh.bindTo("b"); // Try to extend customized BMH
}
public static void main(String[] args) throws Throwable {
testExtendCustomizedBMH();
}
}