wpt / css / css-gaps / animation / row-rule-width-interpolation.html

Status: FAIL | Duration: 266ms | Subtests: 0/168 | Open test on wpt.live | wpt.fyi

TestTest SourceSubtests (0/168)

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

SubtestStatusMessage
CSS Transitions: property <row-rule-width> from neutral to [40px] at (-0.3) should be [1px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from neutral to [40px] at (0) should be [10px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from neutral to [40px] at (0.3) should be [19px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from neutral to [40px] at (0.6) should be [28px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from neutral to [40px] at (1) should be [40px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from neutral to [40px] at (1.5) should be [55px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from neutral to [40px] at (-0.3) should be [1px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from neutral to [40px] at (0) should be [10px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from neutral to [40px] at (0.3) should be [19px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from neutral to [40px] at (0.6) should be [28px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from neutral to [40px] at (1) should be [40px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from neutral to [40px] at (1.5) should be [55px]FAILassert_true: 'to' value should be supported expected true got false
CSS Animations: property <row-rule-width> from neutral to [40px] at (-0.3) should be [1px]FAILassert_true: 'to' value should be supported expected true got false
CSS Animations: property <row-rule-width> from neutral to [40px] at (0) should be [10px]FAILassert_true: 'to' value should be supported expected true got false
CSS Animations: property <row-rule-width> from neutral to [40px] at (0.3) should be [19px]FAILassert_true: 'to' value should be supported expected true got false
CSS Animations: property <row-rule-width> from neutral to [40px] at (0.6) should be [28px]FAILassert_true: 'to' value should be supported expected true got false
CSS Animations: property <row-rule-width> from neutral to [40px] at (1) should be [40px]FAILassert_true: 'to' value should be supported expected true got false
CSS Animations: property <row-rule-width> from neutral to [40px] at (1.5) should be [55px]FAILassert_true: 'to' value should be supported expected true got false
Web Animations: property <row-rule-width> from neutral to [40px] at (-0.3) should be [1px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from neutral to [40px] at (0) should be [10px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from neutral to [40px] at (0.3) should be [19px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from neutral to [40px] at (0.6) should be [28px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from neutral to [40px] at (1) should be [40px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from neutral to [40px] at (1.5) should be [55px]FAILassert_true: Web Animations should be supported expected true got false
CSS Transitions: property <row-rule-width> from [initial] to [40px] at (-0.3) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [initial] to [40px] at (0) should be [3px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [initial] to [40px] at (0.3) should be [14px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [initial] to [40px] at (0.6) should be [25px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [initial] to [40px] at (1) should be [40px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [initial] to [40px] at (1.5) should be [58px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [initial] to [40px] at (-0.3) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [initial] to [40px] at (0) should be [3px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [initial] to [40px] at (0.3) should be [14px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [initial] to [40px] at (0.6) should be [25px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [initial] to [40px] at (1) should be [40px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [initial] to [40px] at (1.5) should be [58px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [initial] to [40px] at (-0.3) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [initial] to [40px] at (0) should be [3px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [initial] to [40px] at (0.3) should be [14px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [initial] to [40px] at (0.6) should be [25px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [initial] to [40px] at (1) should be [40px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [initial] to [40px] at (1.5) should be [58px]FAILassert_true: 'from' value should be supported expected true got false
Web Animations: property <row-rule-width> from [initial] to [40px] at (-0.3) should be [0px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [initial] to [40px] at (0) should be [3px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [initial] to [40px] at (0.3) should be [14px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [initial] to [40px] at (0.6) should be [25px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [initial] to [40px] at (1) should be [40px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [initial] to [40px] at (1.5) should be [58px]FAILassert_true: Web Animations should be supported expected true got false
CSS Transitions: property <row-rule-width> from [inherit] to [40px] at (-0.3) should be [105px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [inherit] to [40px] at (0) should be [90px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [inherit] to [40px] at (0.3) should be [75px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [inherit] to [40px] at (0.6) should be [60px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [inherit] to [40px] at (1) should be [40px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [inherit] to [40px] at (1.5) should be [15px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [inherit] to [40px] at (-0.3) should be [105px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [inherit] to [40px] at (0) should be [90px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [inherit] to [40px] at (0.3) should be [75px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [inherit] to [40px] at (0.6) should be [60px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [inherit] to [40px] at (1) should be [40px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [inherit] to [40px] at (1.5) should be [15px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [inherit] to [40px] at (-0.3) should be [105px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [inherit] to [40px] at (0) should be [90px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [inherit] to [40px] at (0.3) should be [75px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [inherit] to [40px] at (0.6) should be [60px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [inherit] to [40px] at (1) should be [40px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [inherit] to [40px] at (1.5) should be [15px]FAILassert_true: 'from' value should be supported expected true got false
Web Animations: property <row-rule-width> from [inherit] to [40px] at (-0.3) should be [105px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [inherit] to [40px] at (0) should be [90px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [inherit] to [40px] at (0.3) should be [75px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [inherit] to [40px] at (0.6) should be [60px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [inherit] to [40px] at (1) should be [40px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [inherit] to [40px] at (1.5) should be [15px]FAILassert_true: Web Animations should be supported expected true got false
CSS Transitions: property <row-rule-width> from [unset] to [40px] at (-0.3) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [unset] to [40px] at (0) should be [3px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [unset] to [40px] at (0.3) should be [14px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [unset] to [40px] at (0.6) should be [25px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [unset] to [40px] at (1) should be [40px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [unset] to [40px] at (1.5) should be [58px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [unset] to [40px] at (-0.3) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [unset] to [40px] at (0) should be [3px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [unset] to [40px] at (0.3) should be [14px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [unset] to [40px] at (0.6) should be [25px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [unset] to [40px] at (1) should be [40px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [unset] to [40px] at (1.5) should be [58px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [unset] to [40px] at (-0.3) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [unset] to [40px] at (0) should be [3px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [unset] to [40px] at (0.3) should be [14px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [unset] to [40px] at (0.6) should be [25px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [unset] to [40px] at (1) should be [40px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [unset] to [40px] at (1.5) should be [58px]FAILassert_true: 'from' value should be supported expected true got false
Web Animations: property <row-rule-width> from [unset] to [40px] at (-0.3) should be [0px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [unset] to [40px] at (0) should be [3px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [unset] to [40px] at (0.3) should be [14px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [unset] to [40px] at (0.6) should be [25px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [unset] to [40px] at (1) should be [40px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [unset] to [40px] at (1.5) should be [58px]FAILassert_true: Web Animations should be supported expected true got false
CSS Transitions: property <row-rule-width> from [0px] to [100px] at (-0.3) should be [0]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [0px] to [100px] at (0) should be [0]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [0px] to [100px] at (0.3) should be [30px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [0px] to [100px] at (0.6) should be [60px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [0px] to [100px] at (1) should be [100px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [0px] to [100px] at (1.5) should be [150px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [0px] to [100px] at (-0.3) should be [0]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [0px] to [100px] at (0) should be [0]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [0px] to [100px] at (0.3) should be [30px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [0px] to [100px] at (0.6) should be [60px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [0px] to [100px] at (1) should be [100px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [0px] to [100px] at (1.5) should be [150px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [0px] to [100px] at (-0.3) should be [0]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [0px] to [100px] at (0) should be [0]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [0px] to [100px] at (0.3) should be [30px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [0px] to [100px] at (0.6) should be [60px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [0px] to [100px] at (1) should be [100px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [0px] to [100px] at (1.5) should be [150px]FAILassert_true: 'from' value should be supported expected true got false
Web Animations: property <row-rule-width> from [0px] to [100px] at (-0.3) should be [0]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [0px] to [100px] at (0) should be [0]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [0px] to [100px] at (0.3) should be [30px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [0px] to [100px] at (0.6) should be [60px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [0px] to [100px] at (1) should be [100px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [0px] to [100px] at (1.5) should be [150px]FAILassert_true: Web Animations should be supported expected true got false
CSS Transitions: property <row-rule-width> from [thin] to [11px] at (-0.3) should be [0]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [thin] to [11px] at (0) should be [1px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [thin] to [11px] at (0.3) should be [4px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [thin] to [11px] at (0.6) should be [7px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [thin] to [11px] at (1) should be [11px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [thin] to [11px] at (1.5) should be [16px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [thin] to [11px] at (-0.3) should be [0]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [thin] to [11px] at (0) should be [1px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [thin] to [11px] at (0.3) should be [4px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [thin] to [11px] at (0.6) should be [7px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [thin] to [11px] at (1) should be [11px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [thin] to [11px] at (1.5) should be [16px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [thin] to [11px] at (-0.3) should be [0]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [thin] to [11px] at (0) should be [1px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [thin] to [11px] at (0.3) should be [4px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [thin] to [11px] at (0.6) should be [7px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [thin] to [11px] at (1) should be [11px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [thin] to [11px] at (1.5) should be [16px]FAILassert_true: 'from' value should be supported expected true got false
Web Animations: property <row-rule-width> from [thin] to [11px] at (-0.3) should be [0]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [thin] to [11px] at (0) should be [1px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [thin] to [11px] at (0.3) should be [4px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [thin] to [11px] at (0.6) should be [7px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [thin] to [11px] at (1) should be [11px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [thin] to [11px] at (1.5) should be [16px]FAILassert_true: Web Animations should be supported expected true got false
CSS Transitions: property <row-rule-width> from [thick] to [15px] at (-0.3) should be [2px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [thick] to [15px] at (0) should be [5px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [thick] to [15px] at (0.3) should be [8px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [thick] to [15px] at (0.6) should be [11px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [thick] to [15px] at (1) should be [15px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <row-rule-width> from [thick] to [15px] at (1.5) should be [20px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [thick] to [15px] at (-0.3) should be [2px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [thick] to [15px] at (0) should be [5px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [thick] to [15px] at (0.3) should be [8px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [thick] to [15px] at (0.6) should be [11px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [thick] to [15px] at (1) should be [15px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <row-rule-width> from [thick] to [15px] at (1.5) should be [20px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [thick] to [15px] at (-0.3) should be [2px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [thick] to [15px] at (0) should be [5px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [thick] to [15px] at (0.3) should be [8px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [thick] to [15px] at (0.6) should be [11px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [thick] to [15px] at (1) should be [15px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <row-rule-width> from [thick] to [15px] at (1.5) should be [20px]FAILassert_true: 'from' value should be supported expected true got false
Web Animations: property <row-rule-width> from [thick] to [15px] at (-0.3) should be [2px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [thick] to [15px] at (0) should be [5px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [thick] to [15px] at (0.3) should be [8px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [thick] to [15px] at (0.6) should be [11px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [thick] to [15px] at (1) should be [15px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <row-rule-width> from [thick] to [15px] at (1.5) should be [20px]FAILassert_true: Web Animations should be supported expected true got false

/css/css-gaps/animation/row-rule-width-interpolation.html

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
  <title>row-rule-width interpolation</title>
  <link rel="author" title="Javier Contreras" href="mailto:javiercon@chromium.org">
  <link rel="help" href="https://drafts.csswg.org/css-gaps-1/#column-row-rule-width">
  <script src="/resources/testharness.js"></script>
  <script src="/resources/testharnessreport.js"></script>
  <script src="/css/support/interpolation-testcommon.js"></script>
  <style>
    .parent {
      row-rule-style: solid;
      row-rule-width: 90px;
    }

    .target {
      display: flex;
      row-gap: 10px;
      row-rule: 10px solid black;
      column-rule: 10px solid black;
    }
  </style>
</head>
<body>
  <script>
    test_interpolation({
      property: 'row-rule-width',
      from: neutralKeyframe,
      to: '40px',
    }, [
      { at: -0.3, expect: '1px' },
      { at: 0, expect: '10px' },
      { at: 0.3, expect: '19px' },
      { at: 0.6, expect: '28px' },
      { at: 1, expect: '40px' },
      { at: 1.5, expect: '55px' },
    ]);

    test_interpolation({
      property: 'row-rule-width',
      from: 'initial',
      to: '40px',
    }, [
      { at: -0.3, expect: '0px' },
      { at: 0, expect: '3px' },
      { at: 0.3, expect: '14px' },
      { at: 0.6, expect: '25px' },
      { at: 1, expect: '40px' },
      { at: 1.5, expect: '58px' },
    ]);

    test_interpolation({
      property: 'row-rule-width',
      from: 'inherit',
      to: '40px',
    }, [
      { at: -0.3, expect: '105px' },
      { at: 0, expect: '90px' },
      { at: 0.3, expect: '75px' },
      { at: 0.6, expect: '60px' },
      { at: 1, expect: '40px' },
      { at: 1.5, expect: '15px' },
    ]);

    test_interpolation({
      property: 'row-rule-width',
      from: 'unset',
      to: '40px',
    }, [
      { at: -0.3, expect: '0px' },
      { at: 0, expect: '3px' },
      { at: 0.3, expect: '14px' },
      { at: 0.6, expect: '25px' },
      { at: 1, expect: '40px' },
      { at: 1.5, expect: '58px' },
    ]);

    test_interpolation({
      property: 'row-rule-width',
      from: '0px',
      to: '100px'
    }, [
      { at: -0.3, expect: '0' }, // row-rule-width can't be negative.
      { at: 0, expect: '0' },
      { at: 0.3, expect: '30px' },
      { at: 0.6, expect: '60px' },
      { at: 1, expect: '100px' },
      { at: 1.5, expect: '150px' },
    ]);

    test_interpolation({
      property: 'row-rule-width',
      from: 'thin',
      to: '11px'
    }, [
      { at: -0.3, expect: '0' }, // row-rule-width can't be negative.
      { at: 0, expect: '1px' },
      { at: 0.3, expect: '4px' },
      { at: 0.6, expect: '7px' },
      { at: 1, expect: '11px' },
      { at: 1.5, expect: '16px' },
    ]);

    test_interpolation({
      property: 'row-rule-width',
      from: 'thick',
      to: '15px'
    }, [
      { at: -0.3, expect: '2px' },
      { at: 0, expect: '5px' },
      { at: 0.3, expect: '8px' },
      { at: 0.6, expect: '11px' },
      { at: 1, expect: '15px' },
      { at: 1.5, expect: '20px' },
    ]);
  </script>
</body>
</html>