Hi Martin, Thanks for explaining the issue to me, that sounds reasonable.
Can I somehow verify that it's the font that has the problem? Can I fix the font so that the test passes? Best regards, Goetz. > -----Original Message----- > From: Martin Balao <mba...@redhat.com> > Sent: Montag, 13. Mai 2019 18:27 > To: Lindenmaier, Goetz <goetz.lindenma...@sap.com>; 'Severin Gehwolf' > <sgehw...@redhat.com>; Langer, Christoph <christoph.lan...@sap.com>; jdk- > updates-...@openjdk.java.net > Cc: 2d-dev <2d-dev@openjdk.java.net>; build-...@openjdk.java.net; Martin > Balao Alonso <mbala...@redhat.com> > Subject: Re: [11u] java/awt/FontMetrics/MaxAdvanceIsMax.java test failure > (was: [11u] RFR 8210782: Upgrade HarfBuzz to the latest 2.3.1) > > Hi Goetz, > > Thanks for raising this issue. > > I'm not surprised by MaxAdvanceIsMax test failing on some OS. The reason > is that this test is very OS specific. > > All installed fonts are tested and a static value from each font is used > for the assertion, after scale calculations. If there is a difference > between what the font creator set when generating the font file and what > the OS rendering library returns -considering that different FreeType > library builds may return different values-, this test will fail. > > The internal test during development phase was more reliable because it > tested a known-font only. However, shipping a font is not allowed by > licenses and that's why we changed the test a bit. > > We should probably limit the scope somehow. > > Despite the test failure, I'm still confident that we did the right > thing in 8218854 [1]. > > Kind regards, > Martin.- > > -- > [1] - https://bugs.openjdk.java.net/browse/JDK-8218854
