2ca4ff87b7
Co-authored-by: Chris Hegarty <chegar@openjdk.org> Co-authored-by: Daniel Fuchs <dfuchs@openjdk.org> Co-authored-by: Alan Bateman <alanb@openjdk.org> Reviewed-by: dfuchs, alanb, michaelm, chegar
63 lines
2.8 KiB
Java
63 lines
2.8 KiB
Java
/*
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* Copyright (c) 2021, 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 impl.DelegatingProviderImpl;
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import org.testng.Assert;
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import org.testng.annotations.Test;
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import java.net.InetAddress;
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import java.net.UnknownHostException;
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import static impl.DelegatingProviderImpl.changeReverseLookupAddress;
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import static impl.DelegatingProviderImpl.lastReverseLookupThrowable;
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/*
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* @test
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* @summary checks delegation of illegal reverse lookup request to the built-in
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* InetAddressResolver.
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* @library providers/delegating
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* @build delegating.provider/impl.DelegatingProviderImpl
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* @run testng/othervm ReverseLookupDelegationTest
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*/
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public class ReverseLookupDelegationTest {
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@Test
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public void delegateHostNameLookupWithWrongByteArray() throws UnknownHostException {
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// The underlying resolver implementation will ignore the supplied
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// byte array and will replace it with byte array of incorrect size.
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changeReverseLookupAddress = true;
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String canonicalHostName = InetAddress.getByAddress(new byte[]{1, 2, 3, 4}).getCanonicalHostName();
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// Output canonical host name and the exception thrown by the built-in resolver
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System.err.println("Canonical host name:" + canonicalHostName);
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System.err.println("Exception thrown by the built-in resolver:" + lastReverseLookupThrowable);
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// Check that originally supplied byte array was used to construct canonical host name after
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// failed reverse lookup.
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Assert.assertEquals("1.2.3.4", canonicalHostName, "unexpected canonical hostname");
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// Check that on a provider side the IllegalArgumentException has been thrown by the built-in resolver
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Assert.assertTrue(lastReverseLookupThrowable instanceof IllegalArgumentException,
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"wrong exception type is thrown by the built-in resolver");
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}
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}
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