# HG changeset patch # User sla # Date 1328014640 28800 # Node ID 14cfd18b410f8d2d3bf211d56a26242cf445c02b # Parent dd4289e8b9e3a300936e8aa44f9d6d25cf47e26b# Parent ff8aec7600fe5d72046dbedfbbae71ac260450a1 Merge diff -r dd4289e8b9e3 -r 14cfd18b410f jdk/src/share/classes/java/util/EnumMap.java --- a/jdk/src/share/classes/java/util/EnumMap.java Tue Jan 31 10:46:34 2012 +0100 +++ b/jdk/src/share/classes/java/util/EnumMap.java Tue Jan 31 04:57:20 2012 -0800 @@ -106,7 +106,15 @@ /** * Distinguished non-null value for representing null values. */ - private static final Object NULL = new Integer(0); + private static final Object NULL = new Object() { + public int hashCode() { + return 0; + } + + public String toString() { + return "java.util.EnumMap.NULL"; + } + }; private Object maskNull(Object value) { return (value == null ? NULL : value); diff -r dd4289e8b9e3 -r 14cfd18b410f jdk/src/solaris/native/java/lang/UNIXProcess_md.c --- a/jdk/src/solaris/native/java/lang/UNIXProcess_md.c Tue Jan 31 10:46:34 2012 +0100 +++ b/jdk/src/solaris/native/java/lang/UNIXProcess_md.c Tue Jan 31 04:57:20 2012 -0800 @@ -40,7 +40,7 @@ #include #include #include -#include +#include #include #include #include diff -r dd4289e8b9e3 -r 14cfd18b410f jdk/test/java/util/EnumMap/UniqueNullValue.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/test/java/util/EnumMap/UniqueNullValue.java Tue Jan 31 04:57:20 2012 -0800 @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2012, 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) 2012, IBM Corporation + */ + +/* + * @test + * @bug 7123229 + * @summary (coll) EnumMap.containsValue(null) returns true + * @author ngmr + */ + +import java.util.EnumMap; +import java.util.Map; + +public class UniqueNullValue { + static enum TestEnum { e00, e01 } + + public static void main(String[] args) { + Map map = new EnumMap<>(TestEnum.class); + + map.put(TestEnum.e00, 0); + if (false == map.containsValue(0)) { + throw new RuntimeException("EnumMap unexpectedly missing 0 value"); + } + if (map.containsValue(null)) { + throw new RuntimeException("EnumMap unexpectedly holds null value"); + } + + map.put(TestEnum.e00, null); + if (map.containsValue(0)) { + throw new RuntimeException("EnumMap unexpectedly holds 0 value"); + } + if (false == map.containsValue(null)) { + throw new RuntimeException("EnumMap unexpectedly missing null value"); + } + } +}