author | amlu |
Fri, 18 Nov 2016 14:39:03 +0800 | |
changeset 42166 | 5582c83b1156 |
parent 25171 | 5dd99a9e443b |
permissions | -rw-r--r-- |
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/* |
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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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/* |
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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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} |