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8361423: Add IPSupport::printPlatformSupport to java/net/NetworkInterface/IPv4Only.java #4042

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8361423: Add IPSupport::printPlatformSupport to java/net/NetworkInterface/IPv4Only.java #4042

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14 changes: 10 additions & 4 deletions test/jdk/java/net/NetworkInterface/IPv4Only.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
Expand Down Expand Up @@ -29,12 +29,18 @@
*/


import java.net.*;
import java.util.*;

import jdk.test.lib.net.IPSupport;

import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Enumeration;

public class IPv4Only {
public static void main(String[] args) throws Exception {
IPSupport.printPlatformSupport(System.out);
if (IPSupport.hasIPv4()) {
System.out.println("Testing IPv4");
Enumeration<NetworkInterface> nifs = NetworkInterface.getNetworkInterfaces();
Expand All @@ -43,7 +49,7 @@ public static void main(String[] args) throws Exception {
Enumeration<InetAddress> addrs = nif.getInetAddresses();
while (addrs.hasMoreElements()) {
InetAddress hostAddr = addrs.nextElement();
if ( hostAddr instanceof Inet6Address ){
if (hostAddr instanceof Inet6Address){
throw new RuntimeException( "NetworkInterfaceV6List failed - found v6 address " + hostAddr.getHostAddress() );
}
}
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