On Mon, 12 May 2025 18:58:25 GMT, Alexey Ivanov <aiva...@openjdk.org> wrote:
>> Created a new JBS to track the issue on windows and linux - >> [JDK-8356803](https://bugs.openjdk.org/browse/JDK-8356803) - Test >> TextLayout/TestControls fails on windows & linux: line and paragraph >> separator show a non-zero advance > >> There seems to be similar issue on Windows and Linux where the hexcode - >> 0x2028 (line separator) and 0x2029 (paragraph separator) are shown with a >> non-zero advance - `/java/awt/font/TextLayout/TestControls.java` > > Are these characters new? I can't remember there were any characters with > non-zero width on Linux and Windows. I ran this test (or its previous > version) on each HarfBuzz update. > > No, they were these characters are part of the existing test. > > I cannot reproduce this problem with 21.0.6. Nor is it reproducible with > 21.0.7, the latest GA version of Java 21. > > Yet I the same picture as you attached on Windows on a recent build of > mainline. > > If that's the case, it seems to be regression rather than an existing issue. I also submitted [JDK-8356812](https://bugs.openjdk.org/browse/JDK-8356812): *Create an automated version of TextLayout/TestControls*. Verifying that the widths of all control characters is zero can be automated; the manual version can exist along-side to ensure all the characters are rendered as expected. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/23665#discussion_r2085323180