langtools/test/tools/javac/CheckNoClassCastException.java
author hannesw
Tue, 22 Mar 2016 14:23:16 +0100
changeset 36690 06b714373aa4
parent 28800 35f9042d53b3
permissions -rw-r--r--
8151810: for-in iteration does not provide per-iteration scope Reviewed-by: attila, lagergren
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/*
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 * Copyright (c) 2015, 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 8069265
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 * @summary ClassCastException when compiled with JDK 9b08+, JDK8 compiles OK.
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 * @run main CheckNoClassCastException
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 */
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import java.util.*;
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public class CheckNoClassCastException {
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    static String result = "";
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    public static void main(String[] args) {
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        ListFail.main(null);
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        MapFail.main(null);
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        if (!result.equals("ListFailDoneMapFailDone"))
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            throw new AssertionError("Incorrect result");
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    }
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}
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class ListFail {
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    static interface Foo {
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    }
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    public static void main(String[] args) {
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        List<Date> list = new ArrayList<>();
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        list.add(new Date());
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        List<Foo> cList = (List<Foo>) (List<?>) list;
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        Date date = (Date) cList.get(0);
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        CheckNoClassCastException.result += "ListFailDone";
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    }
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}
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class MapFail {
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    static interface Foo {
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    }
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    public static void main(String[] args) {
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        Map<String,Date> aMap = new HashMap<>();
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        aMap.put("test",new Date());
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        Map<String,Foo> m = (Map<String,Foo>) (Map<?,?>) aMap;
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        Date q = (Date) m.get("test");
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        CheckNoClassCastException.result += "MapFailDone";
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    }
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}