test/langtools/tools/javac/T8215470/BadEnclosingMethodAttrTest.java
author yzheng
Wed, 16 Oct 2019 16:54:56 +0200
changeset 58650 d068b1e534de
parent 54846 e4049522b074
permissions -rw-r--r--
8231754: [JVMCI] Make r27 unconditionally reserved in JVMCI Summary: Reserve r27 (heap base register) on AArch64 unconditionally Reviewed-by: adinn, dlong
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/*
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 * Copyright (c) 2019, 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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/*
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 * @test
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 * @bug 8215470
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 * @summary Bad EnclosingMethod attribute on classes declared in lambdas
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 * @modules jdk.compiler/com.sun.tools.javac.util
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 */
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import java.lang.reflect.ParameterizedType;
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import java.lang.reflect.Type;
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import com.sun.tools.javac.util.Assert;
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public class BadEnclosingMethodAttrTest<T> {
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    protected BadEnclosingMethodAttrTest() {
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        Assert.check(getClass().getEnclosingMethod().toString().equals("static void BadEnclosingMethodAttrTest.lambdaScope(java.lang.Object)"));
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        Type typeFromEnclosingMethod = getClass().getEnclosingMethod().getGenericParameterTypes()[0];
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        ParameterizedType paramType = (ParameterizedType) getClass().getGenericSuperclass();
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        Type typeFromGenericClass = paramType.getActualTypeArguments()[0];
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        Assert.check(typeFromEnclosingMethod.equals(typeFromGenericClass));
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    }
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    static <X> void lambdaScope(X x) {
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        Runnable r = () -> {
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            new BadEnclosingMethodAttrTest<X>() {};
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        };
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        r.run();
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    }
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    public static void main(final String[] args) {
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        lambdaScope("");
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    }
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}