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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
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test/jdk/java/util/EnumMap/DistinctEntrySetElements.java Normal file
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/*
* Copyright (c) 2011, 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.
*/
/*
* Portions Copyright (c) 2011 IBM Corporation
*/
/*
* @test
* @bug 6312706
* @summary Sets from Map.entrySet() return distinct objects for each Entry
* @author Neil Richards <neil.richards@ngmr.net>, <neil_richards@uk.ibm.com>
*/
import java.util.EnumMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
public class DistinctEntrySetElements {
static enum TestEnum { e00, e01, e02 }
public static void main(String[] args) throws Exception {
final EnumMap<TestEnum, String> enumMap = new EnumMap<>(TestEnum.class);
for (TestEnum e : TestEnum.values()) {
enumMap.put(e, e.name());
}
Set<Map.Entry<TestEnum, String>> entrySet = enumMap.entrySet();
HashSet<Map.Entry<TestEnum, String>> hashSet = new HashSet<>(entrySet);
if (false == hashSet.equals(entrySet)) {
throw new RuntimeException("Test FAILED: Sets are not equal.");
}
if (hashSet.hashCode() != entrySet.hashCode()) {
throw new RuntimeException("Test FAILED: Set's hashcodes are not equal.");
}
}
}