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
95 lines
3.6 KiB
Java
95 lines
3.6 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 java.net.InetAddress;
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import java.net.UnknownHostException;
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import impl.ThrowingLookupsProviderImpl;
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import static impl.ThrowingLookupsProviderImpl.RUNTIME_EXCEPTION_MESSAGE;
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import org.testng.Assert;
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import org.testng.annotations.Test;
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/*
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* @test
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* @summary Test that only UnknownHostException is thrown if resolver
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* implementation throws RuntimeException during forward or reverse lookup.
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* @library providers/throwing
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* @build throwing.lookups.provider/impl.ThrowingLookupsProviderImpl
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* @run testng/othervm ResolutionWithExceptionTest
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*/
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public class ResolutionWithExceptionTest {
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@Test
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public void getByNameUnknownHostException() {
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ThrowingLookupsProviderImpl.throwRuntimeException = false;
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runGetByNameTest();
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}
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@Test
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public void getByNameRuntimeException() {
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ThrowingLookupsProviderImpl.throwRuntimeException = true;
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runGetByNameTest();
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}
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@Test
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public void getByAddressUnknownHostException() throws UnknownHostException {
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ThrowingLookupsProviderImpl.throwRuntimeException = false;
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runGetByAddressTest();
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}
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@Test
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public void getByAddressRuntimeException() throws UnknownHostException {
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ThrowingLookupsProviderImpl.throwRuntimeException = true;
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runGetByAddressTest();
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}
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private void runGetByNameTest() {
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// InetAddress.getByName() is expected to throw UnknownHostException in all cases
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UnknownHostException uhe = Assert.expectThrows(UnknownHostException.class,
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() -> InetAddress.getByName("doesnt.matter.com"));
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// If provider is expected to throw RuntimeException - check that UnknownHostException
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// is set as its cause
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if (ThrowingLookupsProviderImpl.throwRuntimeException) {
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Throwable cause = uhe.getCause();
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if (cause instanceof RuntimeException re) {
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// Check RuntimeException message
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Assert.assertEquals(re.getMessage(), RUNTIME_EXCEPTION_MESSAGE,
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"incorrect exception message");
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} else {
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Assert.fail("UnknownHostException cause is not RuntimeException");
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}
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}
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}
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private void runGetByAddressTest() throws UnknownHostException {
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// getCanonicalHostName is not expected to throw an exception:
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// if there is an error during reverse lookup operation the literal IP
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// address String will be returned.
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String literalIP = InetAddress.getByAddress(new byte[]{1, 2, 3, 4}).getCanonicalHostName();
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Assert.assertEquals(literalIP, "1.2.3.4");
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}
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}
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