[OpenJDK 2D-Dev] RFR: 7018932 : Drawing very large coordinates with a dashed Stroke can cause Java to hang [v7]

[Laurent Bourgès]

On Tue, 12 Jan 2021 18:40:39 GMT, Phil Race <prr at openjdk.org> wrote:

>> Laurent Bourgès has updated the pull request incrementally with two additional commits since the last revision:
>> 
>>  - fixed copyright year
>>  - removed invalid jtreg test
>
> src/java.desktop/share/classes/sun/java2d/pipe/SpanShapeRenderer.java line 45:
> 
>> 43:  */
>> 44: public abstract class SpanShapeRenderer implements ShapeDrawPipe {
>> 45: 
> 
> I suppose this is just clean up when you happened to notice it wasn't used/

Exactly.

> test/jdk/sun/java2d/marlin/StrokedLinePerf.java line 37:
> 
>> 35:  * @bug 7018932
>> 36:  * @summary fix LoopPipe.getStrokedSpans() performance (clipping enabled by Marlin renderer)
>> 37:  * @run main/othervm/timeout=10 -Dsun.java2d.renderer=sun.java2d.marlin.MarlinRenderingEngine StrokedLinePerf
> 
> I hope 10 seconds is enough for a stable test .. not connecting to the windowing system so maybe.

Each render ops take up to 100ms max on my machine, so the test runs in 0.5s on my machine.

Would you prefer 30s ? 
Timeout is mandatory to detect test failure = hanging ...

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PR: https://git.openjdk.java.net/jdk/pull/2013