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
173 lines
8.4 KiB
Java
173 lines
8.4 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.util.Arrays;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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import static java.net.spi.InetAddressResolver.LookupPolicy.IPV4;
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import static java.net.spi.InetAddressResolver.LookupPolicy.IPV4_FIRST;
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import static java.net.spi.InetAddressResolver.LookupPolicy.IPV6;
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import static java.net.spi.InetAddressResolver.LookupPolicy.IPV6_FIRST;
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import jdk.test.lib.net.IPSupport;
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import jdk.test.lib.NetworkConfiguration;
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import org.testng.annotations.Test;
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import org.testng.Assert;
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import org.testng.SkipException;
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/*
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* @test
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* @summary Test that platform lookup characteristic value is correctly initialized from
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* system properties affecting order and type of queried addresses.
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* @library lib providers/simple /test/lib
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* @build test.library/testlib.ResolutionRegistry simple.provider/impl.SimpleResolverProviderImpl
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* jdk.test.lib.net.IPSupport LookupPolicyMappingTest
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* @run testng/othervm LookupPolicyMappingTest
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* @run testng/othervm -Djava.net.preferIPv4Stack=true -Djava.net.preferIPv6Addresses=true LookupPolicyMappingTest
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* @run testng/othervm -Djava.net.preferIPv4Stack=true -Djava.net.preferIPv6Addresses=false LookupPolicyMappingTest
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* @run testng/othervm -Djava.net.preferIPv4Stack=true -Djava.net.preferIPv6Addresses=system LookupPolicyMappingTest
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* @run testng/othervm -Djava.net.preferIPv4Stack=true -Djava.net.preferIPv6Addresses LookupPolicyMappingTest
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* @run testng/othervm -Djava.net.preferIPv4Stack=true LookupPolicyMappingTest
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* @run testng/othervm -Djava.net.preferIPv4Stack=false -Djava.net.preferIPv6Addresses=true LookupPolicyMappingTest
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* @run testng/othervm -Djava.net.preferIPv4Stack=false -Djava.net.preferIPv6Addresses=false LookupPolicyMappingTest
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* @run testng/othervm -Djava.net.preferIPv4Stack=false -Djava.net.preferIPv6Addresses=system LookupPolicyMappingTest
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* @run testng/othervm -Djava.net.preferIPv4Stack=false -Djava.net.preferIPv6Addresses LookupPolicyMappingTest
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* @run testng/othervm -Djava.net.preferIPv4Stack=false LookupPolicyMappingTest
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* @run testng/othervm -Djava.net.preferIPv4Stack -Djava.net.preferIPv6Addresses=true LookupPolicyMappingTest
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* @run testng/othervm -Djava.net.preferIPv4Stack -Djava.net.preferIPv6Addresses=false LookupPolicyMappingTest
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* @run testng/othervm -Djava.net.preferIPv4Stack -Djava.net.preferIPv6Addresses=system LookupPolicyMappingTest
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* @run testng/othervm -Djava.net.preferIPv4Stack -Djava.net.preferIPv6Addresses LookupPolicyMappingTest
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* @run testng/othervm -Djava.net.preferIPv4Stack LookupPolicyMappingTest
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* @run testng/othervm -Djava.net.preferIPv6Addresses=true LookupPolicyMappingTest
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* @run testng/othervm -Djava.net.preferIPv6Addresses=false LookupPolicyMappingTest
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* @run testng/othervm -Djava.net.preferIPv6Addresses=system LookupPolicyMappingTest
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* @run testng/othervm -Djava.net.preferIPv6Addresses LookupPolicyMappingTest
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*/
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public class LookupPolicyMappingTest {
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@Test
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public void testSystemProperties() throws Exception {
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// Check if platform network configuration matches the test requirements,
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// if not throw a SkipException
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checkPlatformNetworkConfiguration();
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System.err.println("javaTest.org resolved to:" + Arrays.deepToString(
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InetAddress.getAllByName("javaTest.org")));
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// Acquire runtime characteristics from the test NSP
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int runtimeCharacteristics = impl.SimpleResolverProviderImpl.lastLookupPolicy().characteristics();
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// Calculate expected lookup policy characteristic
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String preferIPv4Stack = System.getProperty("java.net.preferIPv4Stack");
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String preferIPv6Addresses = System.getProperty("java.net.preferIPv6Addresses");
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String expectedResultsKey = calculateMapKey(preferIPv4Stack, preferIPv6Addresses);
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int expectedCharacteristics = EXPECTED_RESULTS_MAP.get(expectedResultsKey);
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Assert.assertTrue(characteristicsMatch(
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runtimeCharacteristics, expectedCharacteristics), "Unexpected LookupPolicy observed");
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}
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// Throws SkipException if platform doesn't support required IP address types
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static void checkPlatformNetworkConfiguration() {
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IPSupport.throwSkippedExceptionIfNonOperational();
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IPSupport.printPlatformSupport(System.err);
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NetworkConfiguration.printSystemConfiguration(System.err);
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// If preferIPv4=true and no IPv4 - skip
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if (IPSupport.preferIPv4Stack()) {
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if (!IPSupport.hasIPv4()) {
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throw new SkipException("Skip tests - IPv4 support required");
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}
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return;
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}
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}
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record ExpectedResult(String ipv4stack, String ipv6addresses, int characteristics) {
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ExpectedResult {
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if (!IPSupport.hasIPv4()) {
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characteristics = IPV6;
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} else if (!IPSupport.hasIPv6()) {
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characteristics = IPV4;
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}
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}
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public String key() {
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return calculateMapKey(ipv4stack, ipv6addresses);
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}
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}
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/*
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* Each row describes a combination of 'preferIPv4Stack', 'preferIPv6Addresses'
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* values and the expected characteristic value
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*/
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private static List<ExpectedResult> EXPECTED_RESULTS_TABLE = List.of(
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new ExpectedResult("true", "true", IPV4),
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new ExpectedResult("true", "false", IPV4),
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new ExpectedResult("true", "system", IPV4),
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new ExpectedResult("true", "", IPV4),
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new ExpectedResult("true", null, IPV4),
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new ExpectedResult("false", "true", IPV4 | IPV6 | IPV6_FIRST),
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new ExpectedResult("false", "false", IPV4 | IPV6 | IPV4_FIRST),
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new ExpectedResult("false", "system", IPV4 | IPV6),
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new ExpectedResult("false", "", IPV4 | IPV6 | IPV4_FIRST),
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new ExpectedResult("false", null, IPV4 | IPV6 | IPV4_FIRST),
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new ExpectedResult("", "true", IPV4 | IPV6 | IPV6_FIRST),
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new ExpectedResult("", "false", IPV4 | IPV6 | IPV4_FIRST),
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new ExpectedResult("", "system", IPV4 | IPV6),
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new ExpectedResult("", "", IPV4 | IPV6 | IPV4_FIRST),
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new ExpectedResult("", null, IPV4 | IPV6 | IPV4_FIRST),
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new ExpectedResult(null, "true", IPV4 | IPV6 | IPV6_FIRST),
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new ExpectedResult(null, "false", IPV4 | IPV6 | IPV4_FIRST),
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new ExpectedResult(null, "system", IPV4 | IPV6),
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new ExpectedResult(null, "", IPV4 | IPV6 | IPV4_FIRST),
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new ExpectedResult(null, null, IPV4 | IPV6 | IPV4_FIRST));
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private static final Map<String, Integer> EXPECTED_RESULTS_MAP = calculateExpectedCharacteristics();
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private static Map<String, Integer> calculateExpectedCharacteristics() {
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return EXPECTED_RESULTS_TABLE.stream()
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.collect(Collectors.toUnmodifiableMap(
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ExpectedResult::key,
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ExpectedResult::characteristics)
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);
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}
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private static String calculateMapKey(String ipv4stack, String ipv6addresses) {
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return ipv4stack + "_" + ipv6addresses;
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}
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private static boolean characteristicsMatch(int actual, int expected) {
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System.err.printf("Comparing characteristics:%n\tActual: %s%n\tExpected: %s%n",
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Integer.toBinaryString(actual),
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Integer.toBinaryString(expected));
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return (actual & (IPV4 | IPV6 | IPV4_FIRST | IPV6_FIRST)) == expected;
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}
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}
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