test/jdk/java/util/concurrent/tck/HashtableTest.java - master - githubmirror/jdk21u

test/jdk/java/util/concurrent/tck/HashtableTest.java

54 строки2 KB

Doug Lea

8231592: Clarify that ConcurrentHashMap compute methods mapping functions execute at most once

01 ноя 2019, 19:04

01 ноя 2019, 19:04dc7d30d

/*
 * 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.
 */

/*
 * This file is available under and governed by the GNU General Public
 * License version 2 only, as published by the Free Software Foundation.
 * However, the following notice accompanied the original version of this
 * file:
 *
 * Written by Doug Lea and Martin Buchholz with assistance from members
 * of JCP JSR-166 Expert Group and released to the public domain, as
 * explained at http://creativecommons.org/publicdomain/zero/1.0/
 */

import java.util.Map;
import java.util.Hashtable;

import junit.framework.Test;

public class HashtableTest extends JSR166TestCase {
    public static void main(String[] args) {
        main(suite(), args);
    }
    public static Test suite() {
        class Implementation implements MapImplementation {
            public Class<?> klazz() { return Hashtable.class; }
            public Map emptyMap() { return new Hashtable(); }
            public boolean isConcurrent() { return true; }
            public boolean permitsNullKeys() { return false; }
            public boolean permitsNullValues() { return false; }
            public boolean supportsSetValue() { return true; }
        }
        return newTestSuite(MapTest.testSuite(new Implementation()));
    }
}