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Test: add address formatting round trip tests

This commit is contained in:
Robert Muir 2015-10-07 20:57:55 -04:00
parent ea99d97d8f
commit 780ccb98e8
1 changed files with 28 additions and 0 deletions
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28
core/src/test/java/org/elasticsearch/common/network/NetworkAddressTests.java
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@ -22,9 +22,11 @@ package org.elasticsearch.common.network;
import org.elasticsearch.test.ESTestCase;
import java.io.IOException;
import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.util.Random;
/**
* Tests for network address formatting. Please avoid using any methods that cause DNS lookups!
@ -85,6 +87,32 @@ public class NetworkAddressTests extends ESTestCase {
assertEquals("[::1]:1234", NetworkAddress.formatAddress(new InetSocketAddress(forgeScoped("localhost", "::1", 5), 1234)));
}
/** Test that ipv4 address formatting round trips */
public void testRoundTripV4() throws Exception {
byte bytes[] = new byte[4];
Random random = random();
for (int i = 0; i < 10000; i++) {
random.nextBytes(bytes);
InetAddress expected = Inet4Address.getByAddress(bytes);
String formatted = NetworkAddress.formatAddress(expected);
InetAddress actual = InetAddress.getByName(formatted);
assertEquals(expected, actual);
}
}
/** Test that ipv6 address formatting round trips */
public void testRoundTripV6() throws Exception {
byte bytes[] = new byte[16];
Random random = random();
for (int i = 0; i < 10000; i++) {
random.nextBytes(bytes);
InetAddress expected = Inet6Address.getByAddress(bytes);
String formatted = NetworkAddress.formatAddress(expected);
InetAddress actual = InetAddress.getByName(formatted);
assertEquals(expected, actual);
}
}
/** creates address without any lookups. hostname can be null, for missing */
private InetAddress forge(String hostname, String address) throws IOException {
byte bytes[] = InetAddress.getByName(address).getAddress();