wpt / css / filter-effects / animation / filter-interpolation-004.html

Status: FAIL | Duration: 695ms | Subtests: 150/200 | Open test on wpt.live | wpt.fyi

TestTest SourceSubtests (150/200)

Data from commit:
a50cb89 wpt: run reference-named files which are themselves tests (#836) (2026-09-03)

SubtestStatusMessage
CSS Transitions: property <filter> from [blur()] to [blur(10px)] at (-1) should be [blur(0px)]PASS
CSS Transitions: property <filter> from [blur()] to [blur(10px)] at (0) should be [blur()]PASS
CSS Transitions: property <filter> from [blur()] to [blur(10px)] at (0.5) should be [blur(5px)]PASS
CSS Transitions: property <filter> from [blur()] to [blur(10px)] at (1) should be [blur(10px)]PASS
CSS Transitions: property <filter> from [blur()] to [blur(10px)] at (1.5) should be [blur(15px)]PASS
CSS Transitions with transition: all: property <filter> from [blur()] to [blur(10px)] at (-1) should be [blur(0px)]PASS
CSS Transitions with transition: all: property <filter> from [blur()] to [blur(10px)] at (0) should be [blur()]PASS
CSS Transitions with transition: all: property <filter> from [blur()] to [blur(10px)] at (0.5) should be [blur(5px)]PASS
CSS Transitions with transition: all: property <filter> from [blur()] to [blur(10px)] at (1) should be [blur(10px)]PASS
CSS Transitions with transition: all: property <filter> from [blur()] to [blur(10px)] at (1.5) should be [blur(15px)]PASS
CSS Animations: property <filter> from [blur()] to [blur(10px)] at (-1) should be [blur(0px)]PASS
CSS Animations: property <filter> from [blur()] to [blur(10px)] at (0) should be [blur()]PASS
CSS Animations: property <filter> from [blur()] to [blur(10px)] at (0.5) should be [blur(5px)]PASS
CSS Animations: property <filter> from [blur()] to [blur(10px)] at (1) should be [blur(10px)]PASS
CSS Animations: property <filter> from [blur()] to [blur(10px)] at (1.5) should be [blur(15px)]PASS
Web Animations: property <filter> from [blur()] to [blur(10px)] at (-1) should be [blur(0px)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [blur()] to [blur(10px)] at (0) should be [blur()]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [blur()] to [blur(10px)] at (0.5) should be [blur(5px)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [blur()] to [blur(10px)] at (1) should be [blur(10px)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [blur()] to [blur(10px)] at (1.5) should be [blur(15px)]FAILassert_true: Web Animations should be supported expected true got false
CSS Transitions: property <filter> from [brightness(0)] to [brightness()] at (-1) should be [brightness(0)]PASS
CSS Transitions: property <filter> from [brightness(0)] to [brightness()] at (0) should be [brightness(0)]PASS
CSS Transitions: property <filter> from [brightness(0)] to [brightness()] at (0.5) should be [brightness(0.5)]PASS
CSS Transitions: property <filter> from [brightness(0)] to [brightness()] at (1) should be [brightness()]PASS
CSS Transitions: property <filter> from [brightness(0)] to [brightness()] at (1.5) should be [brightness(1.5)]PASS
CSS Transitions with transition: all: property <filter> from [brightness(0)] to [brightness()] at (-1) should be [brightness(0)]PASS
CSS Transitions with transition: all: property <filter> from [brightness(0)] to [brightness()] at (0) should be [brightness(0)]PASS
CSS Transitions with transition: all: property <filter> from [brightness(0)] to [brightness()] at (0.5) should be [brightness(0.5)]PASS
CSS Transitions with transition: all: property <filter> from [brightness(0)] to [brightness()] at (1) should be [brightness()]PASS
CSS Transitions with transition: all: property <filter> from [brightness(0)] to [brightness()] at (1.5) should be [brightness(1.5)]PASS
CSS Animations: property <filter> from [brightness(0)] to [brightness()] at (-1) should be [brightness(0)]PASS
CSS Animations: property <filter> from [brightness(0)] to [brightness()] at (0) should be [brightness(0)]PASS
CSS Animations: property <filter> from [brightness(0)] to [brightness()] at (0.5) should be [brightness(0.5)]PASS
CSS Animations: property <filter> from [brightness(0)] to [brightness()] at (1) should be [brightness()]PASS
CSS Animations: property <filter> from [brightness(0)] to [brightness()] at (1.5) should be [brightness(1.5)]PASS
Web Animations: property <filter> from [brightness(0)] to [brightness()] at (-1) should be [brightness(0)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [brightness(0)] to [brightness()] at (0) should be [brightness(0)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [brightness(0)] to [brightness()] at (0.5) should be [brightness(0.5)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [brightness(0)] to [brightness()] at (1) should be [brightness()]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [brightness(0)] to [brightness()] at (1.5) should be [brightness(1.5)]FAILassert_true: Web Animations should be supported expected true got false
CSS Transitions: property <filter> from [contrast(0)] to [contrast()] at (-1) should be [contrast(0)]PASS
CSS Transitions: property <filter> from [contrast(0)] to [contrast()] at (0) should be [contrast(0)]PASS
CSS Transitions: property <filter> from [contrast(0)] to [contrast()] at (0.5) should be [contrast(0.5)]PASS
CSS Transitions: property <filter> from [contrast(0)] to [contrast()] at (1) should be [contrast()]PASS
CSS Transitions: property <filter> from [contrast(0)] to [contrast()] at (1.5) should be [contrast(1.5)]PASS
CSS Transitions with transition: all: property <filter> from [contrast(0)] to [contrast()] at (-1) should be [contrast(0)]PASS
CSS Transitions with transition: all: property <filter> from [contrast(0)] to [contrast()] at (0) should be [contrast(0)]PASS
CSS Transitions with transition: all: property <filter> from [contrast(0)] to [contrast()] at (0.5) should be [contrast(0.5)]PASS
CSS Transitions with transition: all: property <filter> from [contrast(0)] to [contrast()] at (1) should be [contrast()]PASS
CSS Transitions with transition: all: property <filter> from [contrast(0)] to [contrast()] at (1.5) should be [contrast(1.5)]PASS
CSS Animations: property <filter> from [contrast(0)] to [contrast()] at (-1) should be [contrast(0)]PASS
CSS Animations: property <filter> from [contrast(0)] to [contrast()] at (0) should be [contrast(0)]PASS
CSS Animations: property <filter> from [contrast(0)] to [contrast()] at (0.5) should be [contrast(0.5)]PASS
CSS Animations: property <filter> from [contrast(0)] to [contrast()] at (1) should be [contrast()]PASS
CSS Animations: property <filter> from [contrast(0)] to [contrast()] at (1.5) should be [contrast(1.5)]PASS
Web Animations: property <filter> from [contrast(0)] to [contrast()] at (-1) should be [contrast(0)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [contrast(0)] to [contrast()] at (0) should be [contrast(0)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [contrast(0)] to [contrast()] at (0.5) should be [contrast(0.5)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [contrast(0)] to [contrast()] at (1) should be [contrast()]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [contrast(0)] to [contrast()] at (1.5) should be [contrast(1.5)]FAILassert_true: Web Animations should be supported expected true got false
CSS Transitions: property <filter> from [drop-shadow(0px 0px)] to [drop-shadow(20px 10px 30px green)] at (-1) should be [drop-shadow(-20px -10px blue)]PASS
CSS Transitions: property <filter> from [drop-shadow(0px 0px)] to [drop-shadow(20px 10px 30px green)] at (0) should be [drop-shadow(0px 0px blue)]PASS
CSS Transitions: property <filter> from [drop-shadow(0px 0px)] to [drop-shadow(20px 10px 30px green)] at (0.5) should be [drop-shadow(10px 5px 15px rgb(0, 64, 128))]PASS
CSS Transitions: property <filter> from [drop-shadow(0px 0px)] to [drop-shadow(20px 10px 30px green)] at (1) should be [drop-shadow(20px 10px 30px green)]PASS
CSS Transitions: property <filter> from [drop-shadow(0px 0px)] to [drop-shadow(20px 10px 30px green)] at (1.5) should be [drop-shadow(30px 15px 45px rgb(0, 192, 0))]PASS
CSS Transitions with transition: all: property <filter> from [drop-shadow(0px 0px)] to [drop-shadow(20px 10px 30px green)] at (-1) should be [drop-shadow(-20px -10px blue)]PASS
CSS Transitions with transition: all: property <filter> from [drop-shadow(0px 0px)] to [drop-shadow(20px 10px 30px green)] at (0) should be [drop-shadow(0px 0px blue)]PASS
CSS Transitions with transition: all: property <filter> from [drop-shadow(0px 0px)] to [drop-shadow(20px 10px 30px green)] at (0.5) should be [drop-shadow(10px 5px 15px rgb(0, 64, 128))]PASS
CSS Transitions with transition: all: property <filter> from [drop-shadow(0px 0px)] to [drop-shadow(20px 10px 30px green)] at (1) should be [drop-shadow(20px 10px 30px green)]PASS
CSS Transitions with transition: all: property <filter> from [drop-shadow(0px 0px)] to [drop-shadow(20px 10px 30px green)] at (1.5) should be [drop-shadow(30px 15px 45px rgb(0, 192, 0))]PASS
CSS Animations: property <filter> from [drop-shadow(0px 0px)] to [drop-shadow(20px 10px 30px green)] at (-1) should be [drop-shadow(-20px -10px blue)]PASS
CSS Animations: property <filter> from [drop-shadow(0px 0px)] to [drop-shadow(20px 10px 30px green)] at (0) should be [drop-shadow(0px 0px blue)]PASS
CSS Animations: property <filter> from [drop-shadow(0px 0px)] to [drop-shadow(20px 10px 30px green)] at (0.5) should be [drop-shadow(10px 5px 15px rgb(0, 64, 128))]PASS
CSS Animations: property <filter> from [drop-shadow(0px 0px)] to [drop-shadow(20px 10px 30px green)] at (1) should be [drop-shadow(20px 10px 30px green)]PASS
CSS Animations: property <filter> from [drop-shadow(0px 0px)] to [drop-shadow(20px 10px 30px green)] at (1.5) should be [drop-shadow(30px 15px 45px rgb(0, 192, 0))]PASS
Web Animations: property <filter> from [drop-shadow(0px 0px)] to [drop-shadow(20px 10px 30px green)] at (-1) should be [drop-shadow(-20px -10px blue)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [drop-shadow(0px 0px)] to [drop-shadow(20px 10px 30px green)] at (0) should be [drop-shadow(0px 0px blue)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [drop-shadow(0px 0px)] to [drop-shadow(20px 10px 30px green)] at (0.5) should be [drop-shadow(10px 5px 15px rgb(0, 64, 128))]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [drop-shadow(0px 0px)] to [drop-shadow(20px 10px 30px green)] at (1) should be [drop-shadow(20px 10px 30px green)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [drop-shadow(0px 0px)] to [drop-shadow(20px 10px 30px green)] at (1.5) should be [drop-shadow(30px 15px 45px rgb(0, 192, 0))]FAILassert_true: Web Animations should be supported expected true got false
CSS Transitions: property <filter> from [grayscale(0)] to [grayscale()] at (-1) should be [grayscale(0)]PASS
CSS Transitions: property <filter> from [grayscale(0)] to [grayscale()] at (0) should be [grayscale(0)]PASS
CSS Transitions: property <filter> from [grayscale(0)] to [grayscale()] at (0.5) should be [grayscale(0.5)]PASS
CSS Transitions: property <filter> from [grayscale(0)] to [grayscale()] at (1) should be [grayscale()]PASS
CSS Transitions: property <filter> from [grayscale(0)] to [grayscale()] at (1.5) should be [grayscale(1)]PASS
CSS Transitions with transition: all: property <filter> from [grayscale(0)] to [grayscale()] at (-1) should be [grayscale(0)]PASS
CSS Transitions with transition: all: property <filter> from [grayscale(0)] to [grayscale()] at (0) should be [grayscale(0)]PASS
CSS Transitions with transition: all: property <filter> from [grayscale(0)] to [grayscale()] at (0.5) should be [grayscale(0.5)]PASS
CSS Transitions with transition: all: property <filter> from [grayscale(0)] to [grayscale()] at (1) should be [grayscale()]PASS
CSS Transitions with transition: all: property <filter> from [grayscale(0)] to [grayscale()] at (1.5) should be [grayscale(1)]PASS
CSS Animations: property <filter> from [grayscale(0)] to [grayscale()] at (-1) should be [grayscale(0)]PASS
CSS Animations: property <filter> from [grayscale(0)] to [grayscale()] at (0) should be [grayscale(0)]PASS
CSS Animations: property <filter> from [grayscale(0)] to [grayscale()] at (0.5) should be [grayscale(0.5)]PASS
CSS Animations: property <filter> from [grayscale(0)] to [grayscale()] at (1) should be [grayscale()]PASS
CSS Animations: property <filter> from [grayscale(0)] to [grayscale()] at (1.5) should be [grayscale(1)]PASS
Web Animations: property <filter> from [grayscale(0)] to [grayscale()] at (-1) should be [grayscale(0)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [grayscale(0)] to [grayscale()] at (0) should be [grayscale(0)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [grayscale(0)] to [grayscale()] at (0.5) should be [grayscale(0.5)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [grayscale(0)] to [grayscale()] at (1) should be [grayscale()]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [grayscale(0)] to [grayscale()] at (1.5) should be [grayscale(1)]FAILassert_true: Web Animations should be supported expected true got false
CSS Transitions: property <filter> from [hue-rotate()] to [hue-rotate(360deg)] at (-1) should be [hue-rotate(-360deg)]PASS
CSS Transitions: property <filter> from [hue-rotate()] to [hue-rotate(360deg)] at (0) should be [hue-rotate()]PASS
CSS Transitions: property <filter> from [hue-rotate()] to [hue-rotate(360deg)] at (0.5) should be [hue-rotate(180deg)]PASS
CSS Transitions: property <filter> from [hue-rotate()] to [hue-rotate(360deg)] at (1) should be [hue-rotate(360deg)]PASS
CSS Transitions: property <filter> from [hue-rotate()] to [hue-rotate(360deg)] at (1.5) should be [hue-rotate(540deg)]PASS
CSS Transitions with transition: all: property <filter> from [hue-rotate()] to [hue-rotate(360deg)] at (-1) should be [hue-rotate(-360deg)]PASS
CSS Transitions with transition: all: property <filter> from [hue-rotate()] to [hue-rotate(360deg)] at (0) should be [hue-rotate()]PASS
CSS Transitions with transition: all: property <filter> from [hue-rotate()] to [hue-rotate(360deg)] at (0.5) should be [hue-rotate(180deg)]PASS
CSS Transitions with transition: all: property <filter> from [hue-rotate()] to [hue-rotate(360deg)] at (1) should be [hue-rotate(360deg)]PASS
CSS Transitions with transition: all: property <filter> from [hue-rotate()] to [hue-rotate(360deg)] at (1.5) should be [hue-rotate(540deg)]PASS
CSS Animations: property <filter> from [hue-rotate()] to [hue-rotate(360deg)] at (-1) should be [hue-rotate(-360deg)]PASS
CSS Animations: property <filter> from [hue-rotate()] to [hue-rotate(360deg)] at (0) should be [hue-rotate()]PASS
CSS Animations: property <filter> from [hue-rotate()] to [hue-rotate(360deg)] at (0.5) should be [hue-rotate(180deg)]PASS
CSS Animations: property <filter> from [hue-rotate()] to [hue-rotate(360deg)] at (1) should be [hue-rotate(360deg)]PASS
CSS Animations: property <filter> from [hue-rotate()] to [hue-rotate(360deg)] at (1.5) should be [hue-rotate(540deg)]PASS
Web Animations: property <filter> from [hue-rotate()] to [hue-rotate(360deg)] at (-1) should be [hue-rotate(-360deg)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [hue-rotate()] to [hue-rotate(360deg)] at (0) should be [hue-rotate()]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [hue-rotate()] to [hue-rotate(360deg)] at (0.5) should be [hue-rotate(180deg)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [hue-rotate()] to [hue-rotate(360deg)] at (1) should be [hue-rotate(360deg)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [hue-rotate()] to [hue-rotate(360deg)] at (1.5) should be [hue-rotate(540deg)]FAILassert_true: Web Animations should be supported expected true got false
CSS Transitions: property <filter> from [invert(0)] to [invert()] at (-1) should be [invert(0)]PASS
CSS Transitions: property <filter> from [invert(0)] to [invert()] at (0) should be [invert(0)]PASS
CSS Transitions: property <filter> from [invert(0)] to [invert()] at (0.5) should be [invert(0.5)]PASS
CSS Transitions: property <filter> from [invert(0)] to [invert()] at (1) should be [invert()]PASS
CSS Transitions: property <filter> from [invert(0)] to [invert()] at (1.5) should be [invert(1)]PASS
CSS Transitions with transition: all: property <filter> from [invert(0)] to [invert()] at (-1) should be [invert(0)]PASS
CSS Transitions with transition: all: property <filter> from [invert(0)] to [invert()] at (0) should be [invert(0)]PASS
CSS Transitions with transition: all: property <filter> from [invert(0)] to [invert()] at (0.5) should be [invert(0.5)]PASS
CSS Transitions with transition: all: property <filter> from [invert(0)] to [invert()] at (1) should be [invert()]PASS
CSS Transitions with transition: all: property <filter> from [invert(0)] to [invert()] at (1.5) should be [invert(1)]PASS
CSS Animations: property <filter> from [invert(0)] to [invert()] at (-1) should be [invert(0)]PASS
CSS Animations: property <filter> from [invert(0)] to [invert()] at (0) should be [invert(0)]PASS
CSS Animations: property <filter> from [invert(0)] to [invert()] at (0.5) should be [invert(0.5)]PASS
CSS Animations: property <filter> from [invert(0)] to [invert()] at (1) should be [invert()]PASS
CSS Animations: property <filter> from [invert(0)] to [invert()] at (1.5) should be [invert(1)]PASS
Web Animations: property <filter> from [invert(0)] to [invert()] at (-1) should be [invert(0)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [invert(0)] to [invert()] at (0) should be [invert(0)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [invert(0)] to [invert()] at (0.5) should be [invert(0.5)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [invert(0)] to [invert()] at (1) should be [invert()]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [invert(0)] to [invert()] at (1.5) should be [invert(1)]FAILassert_true: Web Animations should be supported expected true got false
CSS Transitions: property <filter> from [opacity(0)] to [opacity()] at (-1) should be [opacity(0)]PASS
CSS Transitions: property <filter> from [opacity(0)] to [opacity()] at (0) should be [opacity(0)]PASS
CSS Transitions: property <filter> from [opacity(0)] to [opacity()] at (0.5) should be [opacity(0.5)]PASS
CSS Transitions: property <filter> from [opacity(0)] to [opacity()] at (1) should be [opacity()]PASS
CSS Transitions: property <filter> from [opacity(0)] to [opacity()] at (1.5) should be [opacity(1)]PASS
CSS Transitions with transition: all: property <filter> from [opacity(0)] to [opacity()] at (-1) should be [opacity(0)]PASS
CSS Transitions with transition: all: property <filter> from [opacity(0)] to [opacity()] at (0) should be [opacity(0)]PASS
CSS Transitions with transition: all: property <filter> from [opacity(0)] to [opacity()] at (0.5) should be [opacity(0.5)]PASS
CSS Transitions with transition: all: property <filter> from [opacity(0)] to [opacity()] at (1) should be [opacity()]PASS
CSS Transitions with transition: all: property <filter> from [opacity(0)] to [opacity()] at (1.5) should be [opacity(1)]PASS
CSS Animations: property <filter> from [opacity(0)] to [opacity()] at (-1) should be [opacity(0)]PASS
CSS Animations: property <filter> from [opacity(0)] to [opacity()] at (0) should be [opacity(0)]PASS
CSS Animations: property <filter> from [opacity(0)] to [opacity()] at (0.5) should be [opacity(0.5)]PASS
CSS Animations: property <filter> from [opacity(0)] to [opacity()] at (1) should be [opacity()]PASS
CSS Animations: property <filter> from [opacity(0)] to [opacity()] at (1.5) should be [opacity(1)]PASS
Web Animations: property <filter> from [opacity(0)] to [opacity()] at (-1) should be [opacity(0)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [opacity(0)] to [opacity()] at (0) should be [opacity(0)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [opacity(0)] to [opacity()] at (0.5) should be [opacity(0.5)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [opacity(0)] to [opacity()] at (1) should be [opacity()]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [opacity(0)] to [opacity()] at (1.5) should be [opacity(1)]FAILassert_true: Web Animations should be supported expected true got false
CSS Transitions: property <filter> from [saturate(0)] to [saturate()] at (-1) should be [saturate(0)]PASS
CSS Transitions: property <filter> from [saturate(0)] to [saturate()] at (0) should be [saturate(0)]PASS
CSS Transitions: property <filter> from [saturate(0)] to [saturate()] at (0.5) should be [saturate(0.5)]PASS
CSS Transitions: property <filter> from [saturate(0)] to [saturate()] at (1) should be [saturate()]PASS
CSS Transitions: property <filter> from [saturate(0)] to [saturate()] at (1.5) should be [saturate(1.5)]PASS
CSS Transitions with transition: all: property <filter> from [saturate(0)] to [saturate()] at (-1) should be [saturate(0)]PASS
CSS Transitions with transition: all: property <filter> from [saturate(0)] to [saturate()] at (0) should be [saturate(0)]PASS
CSS Transitions with transition: all: property <filter> from [saturate(0)] to [saturate()] at (0.5) should be [saturate(0.5)]PASS
CSS Transitions with transition: all: property <filter> from [saturate(0)] to [saturate()] at (1) should be [saturate()]PASS
CSS Transitions with transition: all: property <filter> from [saturate(0)] to [saturate()] at (1.5) should be [saturate(1.5)]PASS
CSS Animations: property <filter> from [saturate(0)] to [saturate()] at (-1) should be [saturate(0)]PASS
CSS Animations: property <filter> from [saturate(0)] to [saturate()] at (0) should be [saturate(0)]PASS
CSS Animations: property <filter> from [saturate(0)] to [saturate()] at (0.5) should be [saturate(0.5)]PASS
CSS Animations: property <filter> from [saturate(0)] to [saturate()] at (1) should be [saturate()]PASS
CSS Animations: property <filter> from [saturate(0)] to [saturate()] at (1.5) should be [saturate(1.5)]PASS
Web Animations: property <filter> from [saturate(0)] to [saturate()] at (-1) should be [saturate(0)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [saturate(0)] to [saturate()] at (0) should be [saturate(0)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [saturate(0)] to [saturate()] at (0.5) should be [saturate(0.5)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [saturate(0)] to [saturate()] at (1) should be [saturate()]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [saturate(0)] to [saturate()] at (1.5) should be [saturate(1.5)]FAILassert_true: Web Animations should be supported expected true got false
CSS Transitions: property <filter> from [sepia(0)] to [sepia()] at (-1) should be [sepia(0)]PASS
CSS Transitions: property <filter> from [sepia(0)] to [sepia()] at (0) should be [sepia(0)]PASS
CSS Transitions: property <filter> from [sepia(0)] to [sepia()] at (0.5) should be [sepia(0.5)]PASS
CSS Transitions: property <filter> from [sepia(0)] to [sepia()] at (1) should be [sepia()]PASS
CSS Transitions: property <filter> from [sepia(0)] to [sepia()] at (1.5) should be [sepia(1)]PASS
CSS Transitions with transition: all: property <filter> from [sepia(0)] to [sepia()] at (-1) should be [sepia(0)]PASS
CSS Transitions with transition: all: property <filter> from [sepia(0)] to [sepia()] at (0) should be [sepia(0)]PASS
CSS Transitions with transition: all: property <filter> from [sepia(0)] to [sepia()] at (0.5) should be [sepia(0.5)]PASS
CSS Transitions with transition: all: property <filter> from [sepia(0)] to [sepia()] at (1) should be [sepia()]PASS
CSS Transitions with transition: all: property <filter> from [sepia(0)] to [sepia()] at (1.5) should be [sepia(1)]PASS
CSS Animations: property <filter> from [sepia(0)] to [sepia()] at (-1) should be [sepia(0)]PASS
CSS Animations: property <filter> from [sepia(0)] to [sepia()] at (0) should be [sepia(0)]PASS
CSS Animations: property <filter> from [sepia(0)] to [sepia()] at (0.5) should be [sepia(0.5)]PASS
CSS Animations: property <filter> from [sepia(0)] to [sepia()] at (1) should be [sepia()]PASS
CSS Animations: property <filter> from [sepia(0)] to [sepia()] at (1.5) should be [sepia(1)]PASS
Web Animations: property <filter> from [sepia(0)] to [sepia()] at (-1) should be [sepia(0)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [sepia(0)] to [sepia()] at (0) should be [sepia(0)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [sepia(0)] to [sepia()] at (0.5) should be [sepia(0.5)]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [sepia(0)] to [sepia()] at (1) should be [sepia()]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <filter> from [sepia(0)] to [sepia()] at (1.5) should be [sepia(1)]FAILassert_true: Web Animations should be supported expected true got false

/css/filter-effects/animation/filter-interpolation-004.html

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>filter interpolation</title>
    <link rel="help" href="https://drafts.fxtf.org/filter-effects/#FilterProperty">
    <meta name="assert" content="Default value when omitted matches spec.">
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
    <script src="/css/support/interpolation-testcommon.js"></script>
    <style>
      body {
        color: blue;
      }
    </style>
  </head>
  <body>
    <script>
      'use strict';

      test_interpolation({
        property: 'filter',
        from: 'blur()', // Default value when omitted is 0px.
        to: 'blur(10px)'
      }, [
        {at: -1, expect: 'blur(0px)'}, // Negative values are not allowed.
        {at: 0, expect: 'blur()'},
        {at: 0.5, expect: 'blur(5px)'},
        {at: 1, expect: 'blur(10px)'},
        {at: 1.5, expect: 'blur(15px)'}
      ]);

      test_interpolation({
        property: 'filter',
        from: 'brightness(0)',
        to: 'brightness()' // Default value when omitted is 1.
      }, [
        {at: -1, expect: 'brightness(0)'}, // Negative values are not allowed.
        {at: 0, expect: 'brightness(0)'},
        {at: 0.5, expect: 'brightness(0.5)'},
        {at: 1, expect: 'brightness()'},
        {at: 1.5, expect: 'brightness(1.5)'}
      ]);

      test_interpolation({
        property: 'filter',
        from: 'contrast(0)',
        to: 'contrast()' // Default value when omitted is 1.
      }, [
        {at: -1, expect: 'contrast(0)'}, // Negative values are not allowed.
        {at: 0, expect: 'contrast(0)'},
        {at: 0.5, expect: 'contrast(0.5)'},
        {at: 1, expect: 'contrast()'},
        {at: 1.5, expect: 'contrast(1.5)'}
      ]);

      test_interpolation({
        property: 'filter',
        from: 'drop-shadow(0px 0px)', // The default value for omitted values is missing length values set to 0 and the missing used color is taken from the color property.
        to: 'drop-shadow(20px 10px 30px green)'
      }, [
        {at: -1, expect: 'drop-shadow(-20px -10px blue)'},
        {at: 0, expect: 'drop-shadow(0px 0px blue)'},
        {at: 0.5, expect: 'drop-shadow(10px 5px 15px rgb(0, 64, 128))'},
        {at: 1, expect: 'drop-shadow(20px 10px 30px green)'},
        {at: 1.5, expect: 'drop-shadow(30px 15px 45px rgb(0, 192, 0))'}
      ]);

      test_interpolation({
        property: 'filter',
        from: 'grayscale(0)',
        to: 'grayscale()' // Default value when omitted is 1.
      }, [
        {at: -1, expect: 'grayscale(0)'}, // Negative values are not allowed.
        {at: 0, expect: 'grayscale(0)'},
        {at: 0.5, expect: 'grayscale(0.5)'},
        {at: 1, expect: 'grayscale()'},
        {at: 1.5, expect: 'grayscale(1)'} // Should clamp values to 1.
      ]);

      test_interpolation({
        property: 'filter',
        from: 'hue-rotate()', // Default value when omitted is 0deg.
        to: 'hue-rotate(360deg)'
      }, [
        {at: -1, expect: 'hue-rotate(-360deg)'},
        {at: 0, expect: 'hue-rotate()'},
        {at: 0.5, expect: 'hue-rotate(180deg)'},
        {at: 1, expect: 'hue-rotate(360deg)'},
        {at: 1.5, expect: 'hue-rotate(540deg)'}
      ]);

      test_interpolation({
        property: 'filter',
        from: 'invert(0)',
        to: 'invert()' // Default value when omitted is 1.
      }, [
        {at: -1, expect: 'invert(0)'}, // Negative values are not allowed.
        {at: 0, expect: 'invert(0)'},
        {at: 0.5, expect: 'invert(0.5)'},
        {at: 1, expect: 'invert()'},
        {at: 1.5, expect: 'invert(1)'} // Should clamp values to 1.
      ]);

      test_interpolation({
        property: 'filter',
        from: 'opacity(0)',
        to: 'opacity()' // Default value when omitted is 1.
      }, [
        {at: -1, expect: 'opacity(0)'}, // Negative values are not allowed.
        {at: 0, expect: 'opacity(0)'},
        {at: 0.5, expect: 'opacity(0.5)'},
        {at: 1, expect: 'opacity()'},
        {at: 1.5, expect: 'opacity(1)'} // Should clamp values to 1.
      ]);

      test_interpolation({
        property: 'filter',
        from: 'saturate(0)',
        to: 'saturate()' // Default value when omitted is 1.
      }, [
        {at: -1, expect: 'saturate(0)'}, // Negative values are not allowed.
        {at: 0, expect: 'saturate(0)'},
        {at: 0.5, expect: 'saturate(0.5)'},
        {at: 1, expect: 'saturate()'},
        {at: 1.5, expect: 'saturate(1.5)'}
      ]);

      test_interpolation({
        property: 'filter',
        from: 'sepia(0)',
        to: 'sepia()' // Default value when omitted is 1.
      }, [
        {at: -1, expect: 'sepia(0)'}, // Negative values are not allowed.
        {at: 0, expect: 'sepia(0)'},
        {at: 0.5, expect: 'sepia(0.5)'},
        {at: 1, expect: 'sepia()'},
        {at: 1.5, expect: 'sepia(1)'} // Should clamp values to 1.
      ]);
    </script>
  </body>
</html>