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8380824: java/net/DatagramSocket/SendReceiveMaxSize.java could also test the loopback interface

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Reviewed-by: jpai
This commit is contained in:
Daniel Fuchs 2026-03-25 10:21:07 +00:00
parent 1faee07b95
commit 7d24a096b4
1 changed files with 62 additions and 3 deletions
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65
test/jdk/java/net/DatagramSocket/SendReceiveMaxSize.java
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@ -22,7 +22,7 @@
*/
/*
* @test
* @test id=default
* @bug 8242885 8250886 8240901
* @key randomness
* @summary This test verifies that on macOS, the send buffer size is configured
@ -34,13 +34,62 @@
* @library /test/lib
* @build jdk.test.lib.net.IPSupport
* @run testng/othervm SendReceiveMaxSize
*/
/*
* @test id=preferIPv4Stack
* @key randomness
* @summary Check that it is possible to send and receive datagrams of
* maximum size on macOS, using an IPv4 only socket.
* @library /test/lib
* @build jdk.test.lib.net.IPSupport
* @run testng/othervm -Djava.net.preferIPv4Stack=true SendReceiveMaxSize
*/
/*
* @test id=preferIPv6Addresses
* @key randomness
* @summary Check that it is possible to send and receive datagrams of
* maximum size on macOS, using a dual socket and prefering
* IPv6 addresses.
* @library /test/lib
* @build jdk.test.lib.net.IPSupport
* @run testng/othervm -Djava.net.preferIPv6Addresses=true SendReceiveMaxSize
*/
/*
* @test id=preferLoopback
* @key randomness
* @summary Check that it is possible to send and receive datagrams of
* maximum size on macOS, using a dual socket and the loopback
* interface.
* @library /test/lib
* @build jdk.test.lib.net.IPSupport
* @run testng/othervm -Dtest.preferLoopback=true SendReceiveMaxSize
*/
/*
* @test id=preferIPv6Loopback
* @key randomness
* @summary Check that it is possible to send and receive datagrams of
* maximum size on macOS, using a dual socket and the loopback
* interface.
* @library /test/lib
* @build jdk.test.lib.net.IPSupport
* @run testng/othervm -Dtest.preferLoopback=true -Djava.net.preferIPv6Addresses=true SendReceiveMaxSize
*/
/*
* @test id=preferIPv4Loopback
* @key randomness
* @summary Check that it is possible to send and receive datagrams of
* maximum size on macOS, using an IPv4 only socket and the
* loopback interface
* @library /test/lib
* @build jdk.test.lib.net.IPSupport
* @run testng/othervm -Dtest.preferLoopback=true -Djava.net.preferIPv4Stack=true SendReceiveMaxSize
*/
import jdk.test.lib.RandomFactory;
import jdk.test.lib.Platform;
import jdk.test.lib.net.IPSupport;
import jtreg.SkippedException;
import org.testng.SkipException;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
@ -61,6 +110,9 @@ import static org.testng.Assert.assertEquals;
import static org.testng.Assert.expectThrows;
public class SendReceiveMaxSize {
private final static boolean PREFER_LOOPBACK = Boolean.getBoolean("test.preferLoopback");
private int BUF_LIMIT;
private InetAddress HOST_ADDR;
private final static int IPV4_SNDBUF = 65507;
@ -75,8 +127,15 @@ public class SendReceiveMaxSize {
@BeforeTest
public void setUp() throws IOException {
IPSupport.throwSkippedExceptionIfNonOperational();
HOST_ADDR = InetAddress.getLocalHost();
try {
// This method throws jtreg.SkippedException, which is
// interpreted as a test failure by testng
IPSupport.throwSkippedExceptionIfNonOperational();
} catch (SkippedException skip) {
// throws the appropriate TestNG SkipException
throw new SkipException(skip.getMessage(), skip);
}
HOST_ADDR = PREFER_LOOPBACK ? InetAddress.getLoopbackAddress() : InetAddress.getLocalHost();
BUF_LIMIT = (HOST_ADDR instanceof Inet6Address) ? IPV6_SNDBUF : IPV4_SNDBUF;
System.out.printf("Host address: %s, Buffer limit: %d%n", HOST_ADDR, BUF_LIMIT);
}