RFR: 8304286: java/net/SocketOption/OptionsTest.java failing after JDK-8302659

[Daniel Fuchs]

On Thu, 16 Mar 2023 14:19:14 GMT, Daniel Jeliński <djelinski at openjdk.org> wrote:

> Please review this change that fixes and reenables OptionsTest on Windows.
> 
> The test is checking that the values retrieved from getOption match the values set by an earlier call to setOption. The `IP_MULTICAST_IF` option was tested with the first network interface for which `supportsMulticast` returned true. JDK-8302659 changed the network interface iteration order and the test started failing.
> 
> The proposed change is to verify if the interface is actually usable for multicasting before using it in set/get test. Test passed on all platforms.

test/jdk/java/net/SocketOption/OptionsTest.java line 115:

> 113:                     } catch (SocketException ex) {
> 114:                         // continue
> 115:                     }

isn't that going to hide bugs that the test would have detected?

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PR: https://git.openjdk.org/jdk/pull/13061