70 lines
2.9 KiB
Java
70 lines
2.9 KiB
Java
/*
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* Copyright (c) 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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* @bug 8254692
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* @summary Basic test for java.nio.channels.spi.SelectorProvider.java default implementation
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* @run testng TestDefaultImplementation
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*/
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import org.testng.annotations.Test;
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import java.io.IOException;
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import java.net.ProtocolFamily;
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import java.nio.channels.*;
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import java.nio.channels.spi.AbstractSelector;
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import java.nio.channels.spi.SelectorProvider;
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import static org.testng.Assert.assertNull;
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import static org.testng.Assert.assertThrows;
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public class TestDefaultImplementation {
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static final Class<UnsupportedOperationException> UOE = UnsupportedOperationException.class;
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static final Class<NullPointerException> NPE = NullPointerException.class;
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static final ProtocolFamily BAD_PF = () -> "BAD_PROTOCOL_FAMILY";
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@Test
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public void testSelectorProvider() throws IOException {
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CustomSelectorProviderImpl customSpi = new CustomSelectorProviderImpl();
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assertNull(customSpi.inheritedChannel());
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assertThrows(NPE, () -> customSpi.openSocketChannel(null));
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assertThrows(NPE, () -> customSpi.openServerSocketChannel(null));
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assertThrows(UOE, () -> customSpi.openSocketChannel(BAD_PF));
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assertThrows(UOE, () -> customSpi.openServerSocketChannel(BAD_PF));
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}
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// A concrete subclass of SelectorProvider, in order to test the
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// default java.nio.channels.spi.SelectorProvider implementation
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static class CustomSelectorProviderImpl extends SelectorProvider {
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@Override public DatagramChannel openDatagramChannel() { return null; }
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@Override public DatagramChannel openDatagramChannel(ProtocolFamily family) { return null; }
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@Override public Pipe openPipe() { return null; }
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@Override public AbstractSelector openSelector() { return null; }
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@Override public ServerSocketChannel openServerSocketChannel() { return null; }
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@Override public SocketChannel openSocketChannel() { return null; }
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}
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} |