[css-color-4] Test more different combinations of color types

web-platform-tests / wpt

Test suites for Web platform specs — including WHATWG, W3C, and others

https://web-platform-tests.org/

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[css-color-4] Test more different combinations of color types #38098

Open nt1m opened 1 year ago

nt1m commented 1 year ago

cc @svgeesus @weinig

Here are some that I'm thinking of that remain untested:

color-mix() + relative color syntax
color-mix() + system colors
relative color syntax + currentColor
relative color syntax + system colors

Would be good to test different nestings.

svgeesus commented 8 months ago

relative color syntax + currentColor

These ones at least are now tested

svgeesus commented 8 months ago

An issue with system colors is that the color they evaluate to depends on light/dark mode and is not exposed as a computed value, only as an actual value. Which implies a visual test, I think. Unless the test does some tricky no-op and the system color is ultimately compared with itself?