RFR: 8196657: [Testbug] TestOptionsWithRanges will fail for newly obsoleted flags that have not yet been removed

[Kim Barrett]

> On Feb 2, 2018, at 8:09 AM, David Holmes <david.holmes at oracle.com> wrote:
> 
> Hi Kim,
> 
> On 2/02/2018 9:41 PM, Kim Barrett wrote:
>>> On Feb 2, 2018, at 3:39 AM, David Holmes <david.holmes at oracle.com> wrote:
>>> 
>>> bug: https://bugs.openjdk.java.net/browse/JDK-8196657
>>> webrev: http://cr.openjdk.java.net/~dholmes/8196657/webrev/
>>> 
>>> TestOptionsWithRanges uses PrintFlags to get the set of flags to test, and then proceeds to give them valid and invalid values.
>>> 
>>> When we bump the JDK version and a flag is now considered obsolete (but has not yet been removed from the code) the flag is ignored (other than printing a warning) and so the tests with invalid values do not generate errors, and so those tests fail.
>>> 
>>> The fix is to simply watch for "Ignoring option xxx" in the stderr output and report success.
>>> 
>>> Pushing to jdk/jdk.
>>> 
>>> Thanks,
>>> David
>> Shouldn’t the fatal error detection case still be first?  As written, if an option is ignored but
>> the VM then failed to start for some reason, that will be counted as a pass.  That doesn’t
>> seem right.
> 
> Okay ... seems a fairly remote possibility given we're only doing "java -version" plus the flag setting under test, but yes theoretically possible.
> 
> I will switch the order.
> 
> Thanks,
> David

Thanks.  With that change, looks good.