[Webkit-unassigned] [Bug 222020] New: REGRESSION(r272776) [GLIB] imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.pattern.image.broken.html is failing for a different reason

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=222020

            Bug ID: 222020
           Summary: REGRESSION(r272776) [GLIB]
                    imported/w3c/web-platform-tests/html/canvas/element/fi
                    ll-and-stroke-styles/2d.pattern.image.broken.html is
                    failing for a different reason
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Canvas
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: lmoura at igalia.com
                CC: dino at apple.com

imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.pattern.image.broken.html

This test checks if ctx.createPattern(brokenImage, ...) returns null with a broken image[1]. While the current baseline expects FAIL, r272776 changed the reason it's failing in GTK/WPE.

Diff:

-FAIL Canvas test: 2d.pattern.image.broken assert_equals: ctx.createPattern(img, 'repeat') === null (got [object CanvasPattern][object], expected [object]) expected null but got object "[object CanvasPattern]"
+FAIL Canvas test: 2d.pattern.image.broken The object is in an invalid state.

The invalid state is raised after failing to create the native image in CanvasRenderingContext2DBase::createPattern(HTMLImageElement...).

Meanwhile, the same revision made imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.pattern.image.nonexistent.html pass in WPE, as now InvalidState is thrown.

[1] https://html.spec.whatwg.org/multipage/canvas.html#dom-context-2d-createpattern

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