99 lines
3.7 KiB
Java
99 lines
3.7 KiB
Java
/*
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* Copyright (c) 2017, 2020, 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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/*
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* @test
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* @modules java.scripting
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* @library modules classpath/pearscript
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* @build ReloadTest org.pear.PearScript org.pear.PearScriptEngineFactory bananascript/*
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* @run testng/othervm ReloadTest
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* @summary Basic test of ServiceLoader.reload
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*/
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import java.util.ConcurrentModificationException;
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import java.util.Iterator;
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import java.util.List;
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import java.util.ServiceLoader;
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import java.util.ServiceLoader.Provider;
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import java.util.Spliterator;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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import static java.util.ServiceLoader.*;
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import javax.script.ScriptEngineFactory;
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import org.testng.annotations.Test;
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import static org.testng.Assert.*;
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@Test
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public class ReloadTest {
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public void testReload() {
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ServiceLoader<ScriptEngineFactory> sl = load(ScriptEngineFactory.class);
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List<String> names1 = sl.stream()
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.map(Provider::get)
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.map(ScriptEngineFactory::getEngineName)
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.collect(Collectors.toList());
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assertFalse(names1.isEmpty());
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sl.reload();
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List<String> names2 = sl.stream()
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.map(Provider::get)
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.map(ScriptEngineFactory::getEngineName)
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.collect(Collectors.toList());
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assertEquals(names1, names2);
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}
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@Test(expectedExceptions = { ConcurrentModificationException.class })
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public void testIteratorHasNext() {
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ServiceLoader<ScriptEngineFactory> sl = load(ScriptEngineFactory.class);
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Iterator<ScriptEngineFactory> iterator = sl.iterator();
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sl.reload();
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iterator.hasNext();
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}
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@Test(expectedExceptions = { ConcurrentModificationException.class })
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public void testIteratorNext() {
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ServiceLoader<ScriptEngineFactory> sl = load(ScriptEngineFactory.class);
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Iterator<ScriptEngineFactory> iterator = sl.iterator();
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assertTrue(iterator.hasNext());
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sl.reload();
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iterator.next();
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}
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@Test(expectedExceptions = { ConcurrentModificationException.class })
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public void testStreamFindAny() {
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ServiceLoader<ScriptEngineFactory> sl = load(ScriptEngineFactory.class);
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Stream<Provider<ScriptEngineFactory>> stream = sl.stream();
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sl.reload();
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stream.findAny();
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}
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@Test(expectedExceptions = { ConcurrentModificationException.class })
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public void testSpliteratorTryAdvance() {
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ServiceLoader<ScriptEngineFactory> sl = load(ScriptEngineFactory.class);
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Stream<Provider<ScriptEngineFactory>> stream = sl.stream();
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Spliterator<Provider<ScriptEngineFactory>> spliterator = stream.spliterator();
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sl.reload();
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spliterator.tryAdvance(System.out::println);
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}
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}
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