58 lines
2.0 KiB
Java
58 lines
2.0 KiB
Java
/*
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* Copyright (c) 2012, 2013, 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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import java.util.concurrent.atomic.AtomicReference;
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import org.testng.annotations.Test;
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import static org.testng.Assert.*;
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/*
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* @test
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* @summary Test Map default methods
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* @run testng AtomicReferenceTest
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* @author Jim Gish <jim.gish@oracle.com>
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*/
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public class AtomicReferenceTest {
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/**
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* Test of updateAndGet method, of class AtomicReference.
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*/
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@Test
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public void testUpdateAndGet() {
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AtomicReference<Integer> instance = new AtomicReference<>(3);
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assertEquals((int) instance.get(), 3);
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assertEquals((int) instance.updateAndGet(x -> x + 2), 5);
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assertEquals((int) instance.get(), 5);
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}
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/**
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* Test of getAndUpdate method, of class AtomicReference.
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*/
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@Test
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public void testGetAndUpdate() {
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AtomicReference<Integer> instance = new AtomicReference<>(3);
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assertEquals((int) instance.get(), 3);
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assertEquals((int) instance.getAndUpdate(x -> x + 3), 3);
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assertEquals((int) instance.get(), 6);
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}
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}
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