RFR: 8316412: javax/print tests fail without printer set up

[Aleksey Shipilev]

On Wed, 20 Sep 2023 13:09:55 GMT, Michal Sobierski <duke at openjdk.org> wrote:

>> test/jdk/java/awt/print/PrinterJob/ImagePrinting/NullClipARGB.java line 43:
>> 
>>> 41: 
>>> 42:     public static void main( String[] args ) {
>>> 43:         PrintService[] svc = PrintServiceLookup.lookupPrintServices(DocFlavor.SERVICE_FORMATTED.PRINTABLE, null);
>> 
>> Do we need to ask for `DocFlavor.SERVICE_FORMATTED.PRINTABLE` here? Can we just ask for `null`?
>
> Correct me if I'm wrong, but I think if we ask for null here it may find a PrintService that does not support PRINTABLE flavor so SkippedException will not be thrown because svc.length will be greater than 0 and we may end up with an exception thrown later in pj.print().

Oh, OK. So the idea is that if we use `setPrintable`, we need to lookup the service that accepts `.PRINTABLE`?

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PR Review Comment: https://git.openjdk.org/jdk/pull/15821#discussion_r1331724860