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