55 lines
2.0 KiB
Java
55 lines
2.0 KiB
Java
/*
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* Copyright (c) 2014, 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 8047795
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* @summary Ensure that replaceAll operator cannot add bad elements
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* @author Mike Duigou
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*/
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import java.util.*;
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import java.util.function.BiFunction;
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public class CheckedMapReplaceAll {
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public static void main(String[] args) {
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Map<Integer,Double> unwrapped = new HashMap<>();
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unwrapped.put(1, 1.0);
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unwrapped.put(2, 2.0);
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unwrapped.put(3, 3.0);
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Map<Integer,Double> wrapped = Collections.checkedMap(unwrapped, Integer.class, Double.class);
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BiFunction evil = (k, v) -> (((int)k) % 2 != 0) ? v : "evil";
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try {
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wrapped.replaceAll(evil);
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System.out.printf("Bwahaha! I have defeated you! %s\n", wrapped);
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throw new RuntimeException("String added to checked Map<Integer,Double>");
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} catch (ClassCastException thwarted) {
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thwarted.printStackTrace(System.out);
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System.out.println("Curses! Foiled again!");
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}
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}
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}
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