css/css-masking

edit

WPT coverage of the tests of css/css-masking at the revision 5602b0f210e3. The tests link to their results in the browsers on wpt.fyi. The tentative tests (experimental features) and the reftests are listed separately from the stable tests.

Group	Passing	Tests	Disabled	Pass rate
Stable	63	64	0	98%
Tentative	0	0	0	–
Reftests	489	500	1	98%
All	552	564	1	98%

Failure reasons

The tests that do not pass (failing or disabled), by kind of reason. A test with several reasons counts once per kind.

BUG: 5
TEST BUG: 3
NOT IMPLEMENTED: 3
FLAKY: 1

Stable tests

Test	Result	Subtests	Kind	Description
`animations/clip-composition.html`	Pass	72 / 72
`animations/clip-interpolation.html`	Pass	324 / 324
`animations/clip-path-composition.html`	Pass	140 / 140
`animations/clip-path-geometry-box-interpolation.html`	Pass	144 / 144
`animations/clip-path-interpolation-001.html`	Pass	414 / 414
`animations/clip-path-interpolation-002.html`	Pass	720 / 720
`animations/clip-path-interpolation-shape-control-points.html`	Pass	306 / 306
`animations/clip-path-interpolation-shape.html`	Pass	692 / 692
`animations/clip-path-interpolation-xywh-rect.html`	Pass	360 / 360
`animations/mask-border-outset-composition.html`	Pass	112 / 112
`animations/mask-border-outset-interpolation.html`	Pass	168 / 168
`animations/mask-border-slice-composition.html`	Pass	112 / 112
`animations/mask-border-slice-interpolation-stability.html`	Pass	1 / 1
`animations/mask-border-slice-interpolation.html`	Pass	434 / 434
`animations/mask-border-source-interpolation.html`	Pass	294 / 294
`animations/mask-border-width-composition.html`	Pass	112 / 112
`animations/mask-border-width-interpolation.html`	Pass	558 / 558
`animations/mask-image-interpolation.html`	Pass	408 / 408
`animations/mask-no-interpolation.html`	Pass	42 / 42
`animations/mask-position-interpolation.html`	Pass	196 / 196
`clip-path/animations/clip-path-interpolation-discrete.html`	Pass	168 / 168
`clip-path/animations/clip-path-shape-hittest.html`	Pass	1 / 1
`clip-path/clip-path-path-with-zoom-hittest-001.html`	Pass	1 / 1
`clip-path/clip-path-path-with-zoom-hittest-002.html`	Pass	1 / 1
`clip-path/clip-path-with-transform-and-zoom-hittest.html`	Pass	1 / 1
`clip-path/interpolation.html`	Pass	3 / 3
`clip-rule/clip-rule-no-interpolation.html`	Pass	42 / 42
`clip.html`	Pass	4 / 4
`hit-test/clip-path-element-objectboundingbox-001.html`	Pass	1 / 1
`hit-test/clip-path-element-objectboundingbox-002.html`	Pass	1 / 1
`hit-test/clip-path-element-userspaceonuse-001.html`	Pass	1 / 1
`hit-test/clip-path-shape-polygon-and-box-shadow.html`	Pass	1 / 1
`hit-test/clip-path-svg-geometry-box.html`	Pass	1 / 1
`idlharness.html`	Pass	41 / 41
`inheritance.sub.html`	Pass	36 / 36
`mask-shorthand-subproperties-reset.html`	Pass	14 / 14
`parsing/clip-computed.html`	Pass	4 / 4
`parsing/clip-invalid.html`	Pass	4 / 4
`parsing/clip-path-computed.html`	Pass	21 / 21
`parsing/clip-path-invalid.html`	Pass	48 / 48
`parsing/clip-path-shape-parsing.html`	Pass	44 / 44
`parsing/clip-path-valid.html`	Pass	54 / 54
`parsing/clip-rule-computed.html`	Pass	2 / 2
`parsing/clip-rule-invalid.html`	Pass	2 / 2
`parsing/clip-rule-valid.html`	Pass	2 / 2
`parsing/clip-valid.html`	Pass	3 / 3
`parsing/mask-composite-computed.html`	Pass	4 / 4
`parsing/mask-composite-invalid.html`	Pass	14 / 14
`parsing/mask-composite-valid.html`	Pass	5 / 5
`parsing/mask-computed.html`	Pass	32 / 32
`parsing/mask-image-computed.html`	Pass	47 / 47
`parsing/mask-invalid.html`	Pass	13 / 13
`parsing/mask-position-invalid.html`	Pass	13 / 13
`parsing/mask-position-valid.html`	Pass	23 / 23
`parsing/mask-repeat-computed.html`	Pass	22 / 22
`parsing/mask-repeat-invalid.html`	Pass	5 / 5
`parsing/mask-repeat-valid.html`	Pass	22 / 22
`parsing/mask-size-computed.html`	Pass	16 / 16
`parsing/mask-size-invalid.html`	Pass	3 / 3
`parsing/mask-size-valid.html`	Pass	9 / 9
`parsing/mask-type-computed.html`	Pass	2 / 2
`parsing/mask-type-invalid.html`	Pass	3 / 3
`parsing/mask-type-valid.html`	Pass	2 / 2
`parsing/mask-valid.sub.html`	Fail	53 / 55	TEST BUG	the expected longhands of `mask` do not include `mask-border-mode`, which the shorthand resets with the other `mask-border-*` longhands (https://drafts.fxtf.org/css-masking/#the-mask: "also resets mask-border", whose longhands include `mask-border-mode`; WPT css/css-masking/mask-shorthand-subproperties-reset.html expects it reset); the browsers do not support `mask-border-mode`

Reftests

Test	Result	Variants	Kind	Description
`animations/clip-path-interpolation-shape-arc-direction-agnostic-radius.html`	Pass	1 / 1
`clip-path-svg-content/clip-path-clip-nested-twice.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-clip-rule-001.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-clip-rule-002.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-clip-rule-003.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-clip-rule-004.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-clip-rule-005.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-clip-rule-006.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-clip-rule-007.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-clip-rule-008.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-clip-rule-009.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-clip-rule-010.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-clip.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-content-clip-001.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-content-clip-002.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-content-clip-003.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-content-clip-004.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-content-invisible.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-content-syling.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-content-use-001.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-content-use-002.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-content-use-003.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-content-use-004.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-content-use-005.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-content-use-006.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-content-use-007.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-css-transform-001.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-css-transform-002.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-css-transform-003.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-css-transform-004.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-dom-child-changes.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-dom-clippathunits.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-dom-href.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-dom-id.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-inset-stroke-001.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-inset-stroke-002.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-invalid-reference.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-invalid.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-negative-scale.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-no-content-001.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-no-content-002.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-no-content-003.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-no-content-004.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-no-content-005.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-objectboundingbox-001.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-objectboundingbox-002.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-objectboundingbox-003.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-objectboundingbox-004.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-on-g-001.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-on-g-002.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-on-g-003.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-on-g-004.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-on-g-005.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-on-marker-001.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-on-marker-002.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-on-marker-003.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-on-svg-001.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-on-svg-002.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-on-svg-003.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-on-svg-004.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-on-svg-005.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-on-use-001.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-on-use-002.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-precision-001.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-recursion-001.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-recursion-002.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-shape-circle-001.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-shape-circle-002.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-shape-circle-003.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-shape-circle-004.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-shape-circle-005.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-shape-ellipse-001.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-shape-ellipse-002.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-shape-inset-001.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-shape-inset-002.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-shape-polygon-001.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-shape-polygon-002.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-shape-polygon-003.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-text-001.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-text-002.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-text-003.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-text-004.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-text-005.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-userspaceonuse-001.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-with-opacity.svg`	Pass	1 / 1
`clip-path-svg-content/clip-path-with-transform.svg`	Pass	1 / 1
`clip-path-svg-content/mask-and-nested-clip-path.svg`	Pass	1 / 1
`clip-path-svg-content/mask-nested-clip-path-001.svg`	Pass	1 / 1
`clip-path-svg-content/mask-nested-clip-path-002.svg`	Pass	1 / 1
`clip-path-svg-content/mask-nested-clip-path-003.svg`	Pass	1 / 1
`clip-path-svg-content/mask-nested-clip-path-004.svg`	Pass	1 / 1
`clip-path-svg-content/mask-nested-clip-path-005.svg`	Pass	1 / 1
`clip-path-svg-content/mask-nested-clip-path-006.svg`	Pass	1 / 1
`clip-path-svg-content/mask-nested-clip-path-007.svg`	Pass	1 / 1
`clip-path-svg-content/mask-nested-clip-path-008.svg`	Pass	1 / 1
`clip-path-svg-content/mask-nested-clip-path-009.svg`	Pass	1 / 1
`clip-path-svg-content/mask-nested-clip-path-010.svg`	Pass	1 / 1
`clip-path-svg-content/mask-nested-clip-path-panning-001.svg`	Pass	1 / 1
`clip-path-svg-content/mask-nested-clip-path-panning-002.svg`	Pass	1 / 1
`clip-path-svg-content/mask-objectboundingbox-content-clip-transform.svg`	Pass	1 / 1
`clip-path-svg-content/mask-objectboundingbox-content-clip.svg`	Pass	1 / 1
`clip-path-svg-content/mask-userspaceonuse-content-clip-transform.svg`	Pass	1 / 1
`clip-path-svg-content/mask-userspaceonuse-content-clip.svg`	Pass	1 / 1
`clip-path/animations/clip-path-animation-cancel.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-circle-0-percent.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-custom-property.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-custom-timing-function-reverse.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-custom-timing-function.html`	Fail	0 / 1	BUG	the coverage of the antialiased edges is the exact area of the pixels, which differs slightly from the one of the browsers the fuzziness of the test is tuned for: 628 pixels of the edge of the clip differ (by up to 2), 480 are allowed
`clip-path/animations/clip-path-animation-ellipse-mixed-change.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-ellipse.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-ensure-keyframe-update.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-filter.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-fixed-position-rounding-error.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-fixed-position.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-font-size-inherited.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-font-size-mixed-change.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-font-size.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-forward-fill-positive-delay.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-forward-fill.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-fragmented-inline.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-fragmented.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-geometry-box-delay.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-incompatible-shapes1.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-incompatible-shapes2.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-inherit.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-initial.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-inset-50-percent.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-inset-rounded-100-percent.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-missing-0-percent.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-mixed-calc.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-mixed-interpolation.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-neutral-keyframe-svg-smil.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-no-inherit-clip-after-remove.html`	Pass	2 / 2
`clip-path/animations/clip-path-animation-non-keyframe-timing-function.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-none-backdrop-filter-subpixel-offset.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-none.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-offset-position-not-stuck.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-overflow.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-path.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-polygon-mixed-change.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-polygon.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-reference-delay.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-retarget.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-revert-layer.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-revert.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-set-currenttime-forward-finish.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-set-currenttime-negative.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-set-duration-animation-finish.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-set-effect.html`	Disabled	–	FLAKY	reftest whose screenshot is taken in the animation frame after the effect of the animation is replaced: depending on the timing of the frames, the first or the second step of the new effect is painted
`clip-path/animations/clip-path-animation-start-time.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-svg-zoom.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-svg.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-three-keyframes1.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-three-keyframes2.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-unset.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-view-transition-mixed-change.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-zero-duration.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation-zoom.html`	Pass	1 / 1
`clip-path/animations/clip-path-animation.html`	Pass	1 / 1
`clip-path/animations/clip-path-path-interpolation-001.html`	Pass	1 / 1
`clip-path/animations/clip-path-path-interpolation-002.html`	Pass	1 / 1
`clip-path/animations/clip-path-path-interpolation-with-zoom.html`	Pass	1 / 1
`clip-path/animations/clip-path-rect-interpolation-001.html`	Pass	1 / 1
`clip-path/animations/clip-path-shape-arc-interpolation.html`	Pass	1 / 1
`clip-path/animations/clip-path-shape-interpolation-001.html`	Pass	1 / 1
`clip-path/animations/clip-path-shape-interpolation-002.html`	Pass	1 / 1
`clip-path/animations/clip-path-shape-interpolation-003.html`	Pass	1 / 1
`clip-path/animations/clip-path-shape-interpolation-004.html`	Pass	1 / 1
`clip-path/animations/clip-path-shape-interpolation-with-zoom.html`	Pass	1 / 1
`clip-path/animations/clip-path-shape-transition-with-zoom.html`	Pass	1 / 1
`clip-path/animations/clip-path-transition-allow-discrete-shape.html`	Pass	1 / 1
`clip-path/animations/clip-path-transition-allow-discrete.html`	Pass	1 / 1
`clip-path/animations/clip-path-transition-custom-timing-function.html`	Pass	1 / 1
`clip-path/animations/clip-path-transition.html`	Pass	1 / 1
`clip-path/animations/clip-path-xywh-interpolation-001.html`	Pass	1 / 1
`clip-path/animations/two-clip-path-animation-diff-length1.html`	Pass	1 / 1
`clip-path/animations/two-clip-path-animation-diff-length2.html`	Pass	1 / 1
`clip-path/animations/two-clip-path-animation-diff-length3.html`	Pass	1 / 1
`clip-path/animations/two-clip-path-animation-diff-length4.html`	Pass	1 / 1
`clip-path/clip-path-blending-offset.html`	Pass	1 / 1
`clip-path/clip-path-borderBox-1a.html`	Pass	1 / 1
`clip-path/clip-path-borderBox-1b.html`	Pass	1 / 1
`clip-path/clip-path-borderBox-1c.html`	Pass	1 / 1
`clip-path/clip-path-borderBox-1d.html`	Pass	1 / 1
`clip-path/clip-path-borderBox-1e.html`	Pass	1 / 1
`clip-path/clip-path-change.html`	Pass	1 / 1
`clip-path/clip-path-circle-001.html`	Pass	1 / 1
`clip-path/clip-path-circle-002.html`	Pass	1 / 1
`clip-path/clip-path-circle-003.html`	Pass	1 / 1
`clip-path/clip-path-circle-004.html`	Pass	1 / 1
`clip-path/clip-path-circle-005.html`	Pass	1 / 1
`clip-path/clip-path-circle-006.html`	Pass	1 / 1
`clip-path/clip-path-circle-007.html`	Pass	1 / 1
`clip-path/clip-path-circle-008.html`	Pass	1 / 1
`clip-path/clip-path-circle-009.html`	Pass	1 / 1
`clip-path/clip-path-circle-010.html`	Pass	1 / 1
`clip-path/clip-path-circle-closest-corner.html`	Pass	1 / 1
`clip-path/clip-path-circle-farthest-corner.html`	Pass	1 / 1
`clip-path/clip-path-columns-shape-001.html`	Pass	1 / 1
`clip-path/clip-path-columns-shape-002.html`	Pass	1 / 1
`clip-path/clip-path-contentBox-1a.html`	Pass	1 / 1
`clip-path/clip-path-contentBox-1b.html`	Pass	1 / 1
`clip-path/clip-path-contentBox-1c.html`	Pass	1 / 1
`clip-path/clip-path-contentBox-1d.html`	Pass	1 / 1
`clip-path/clip-path-contentBox-1e.html`	Pass	1 / 1
`clip-path/clip-path-descendant-text-mutated-001.html`	Pass	1 / 1
`clip-path/clip-path-document-element-will-change.html`	Pass	1 / 1
`clip-path/clip-path-document-element.html`	Pass	1 / 1
`clip-path/clip-path-element-userSpaceOnUse-001.html`	Pass	1 / 1
`clip-path/clip-path-element-userSpaceOnUse-002.html`	Pass	1 / 1
`clip-path/clip-path-element-userSpaceOnUse-003.html`	Pass	1 / 1
`clip-path/clip-path-element-userSpaceOnUse-004.html`	Fail	0 / 1	TEST BUG	the reference places the green box with `margin-top: 50%`, a percentage of the width of the containing block (400px of the 800px wide page, then 392.5px once the vertical scrollbar that the overflowing box causes appears), not of its height: the test clips the bottom half of the page (from 300px) as its assertion says; fails in every browser
`clip-path/clip-path-ellipse-001.html`	Pass	1 / 1
`clip-path/clip-path-ellipse-002.html`	Pass	1 / 1
`clip-path/clip-path-ellipse-003.html`	Pass	1 / 1
`clip-path/clip-path-ellipse-004.html`	Pass	1 / 1
`clip-path/clip-path-ellipse-005.html`	Pass	1 / 1
`clip-path/clip-path-ellipse-006.html`	Pass	1 / 1
`clip-path/clip-path-ellipse-007.html`	Pass	1 / 1
`clip-path/clip-path-ellipse-008.html`	Pass	1 / 1
`clip-path/clip-path-ellipse-closest-farthest-corner.html`	Pass	1 / 1
`clip-path/clip-path-fillBox-1a.html`	Pass	1 / 1
`clip-path/clip-path-fillBox-1b.html`	Pass	1 / 1
`clip-path/clip-path-filter-order.html`	Pass	1 / 1
`clip-path/clip-path-filter-radius-clips.html`	Pass	1 / 1
`clip-path/clip-path-fixed-nested.html`	Pass	1 / 1
`clip-path/clip-path-fixed-scroll.html`	Pass	1 / 1
`clip-path/clip-path-foreignobject-non-zero-xy.html`	Pass	1 / 1
`clip-path/clip-path-geometryBox-2.html`	Pass	1 / 1
`clip-path/clip-path-inline-001.html`	Pass	1 / 1
`clip-path/clip-path-inline-002.html`	Pass	1 / 1
`clip-path/clip-path-inline-003.html`	Pass	1 / 1
`clip-path/clip-path-inline-004.html`	Pass	1 / 1
`clip-path/clip-path-inline-005.html`	Pass	1 / 1
`clip-path/clip-path-inline-006.html`	Pass	1 / 1
`clip-path/clip-path-inline-007.html`	Fail	0 / 1	BUG	the coverage of the antialiased edge of the clip (`border-box` with a `border-radius` of 50%) matches the `circle(50%)` of the reference, but the red outline that the clip hides is painted under the edge pixels before they are clipped: 364 pixels of the edge are tinted by up to 63 levels, where 62 levels on 332 pixels are allowed
`clip-path/clip-path-inline-008.html`	Pass	1 / 1
`clip-path/clip-path-inline-009.html`	Pass	1 / 1
`clip-path/clip-path-inline-010.html`	Pass	1 / 1
`clip-path/clip-path-inset-round-percent.html`	Pass	1 / 1
`clip-path/clip-path-inset-round-rendering.html`	Pass	1 / 1
`clip-path/clip-path-localRef-1.html`	Pass	1 / 1
`clip-path/clip-path-marginBox-1a.html`	Pass	1 / 1
`clip-path/clip-path-marginBox-1b.html`	Pass	1 / 1
`clip-path/clip-path-marginBox-1c.html`	Pass	1 / 1
`clip-path/clip-path-marginBox-1d.html`	Pass	1 / 1
`clip-path/clip-path-mix-blend-mode-1.html`	Pass	1 / 1
`clip-path/clip-path-nested-clippath-zoom.html`	Pass	1 / 1
`clip-path/clip-path-on-fixed-position-scroll.html`	Pass	1 / 1
`clip-path/clip-path-paddingBox-1a.html`	Pass	1 / 1
`clip-path/clip-path-paddingBox-1b.html`	Pass	1 / 1
`clip-path/clip-path-paddingBox-1c.html`	Pass	1 / 1
`clip-path/clip-path-paddingBox-1d.html`	Pass	1 / 1
`clip-path/clip-path-paddingBox-1e.html`	Pass	1 / 1
`clip-path/clip-path-path-001.html`	Pass	1 / 1
`clip-path/clip-path-path-002.html`	Pass	1 / 1
`clip-path/clip-path-path-003.html`	Pass	1 / 1
`clip-path/clip-path-path-with-zoom-001.html`	Pass	1 / 1
`clip-path/clip-path-path-with-zoom-002.html`	Pass	1 / 1
`clip-path/clip-path-polygon-001.html`	Pass	1 / 1
`clip-path/clip-path-polygon-002.html`	Pass	1 / 1
`clip-path/clip-path-polygon-003.html`	Pass	1 / 1
`clip-path/clip-path-polygon-004.html`	Pass	1 / 1
`clip-path/clip-path-polygon-005.html`	Pass	1 / 1
`clip-path/clip-path-polygon-006.html`	Pass	1 / 1
`clip-path/clip-path-polygon-007.html`	Pass	1 / 1
`clip-path/clip-path-polygon-008.html`	Pass	1 / 1
`clip-path/clip-path-polygon-009.html`	Pass	1 / 1
`clip-path/clip-path-polygon-010.html`	Pass	1 / 1
`clip-path/clip-path-polygon-011.html`	Pass	1 / 1
`clip-path/clip-path-polygon-012.html`	Pass	1 / 1
`clip-path/clip-path-polygon-013.html`	Pass	1 / 1
`clip-path/clip-path-polygon-014.html`	Pass	1 / 1
`clip-path/clip-path-rect-001.html`	Pass	1 / 1
`clip-path/clip-path-rect-002.html`	Pass	1 / 1
`clip-path/clip-path-rect-003.html`	Pass	1 / 1
`clip-path/clip-path-rect-004.html`	Pass	1 / 1
`clip-path/clip-path-reference-box-001.html`	Pass	1 / 1
`clip-path/clip-path-reference-box-002.html`	Pass	1 / 1
`clip-path/clip-path-reference-box-003.html`	Pass	1 / 1
`clip-path/clip-path-reference-box-004.html`	Pass	1 / 1
`clip-path/clip-path-reference-restore.html`	Pass	1 / 1
`clip-path/clip-path-rotated-will-change-transform.html`	Pass	1 / 1
`clip-path/clip-path-round-zero-size.html`	Pass	1 / 1
`clip-path/clip-path-scaled-video.html`	Pass	1 / 1
`clip-path/clip-path-scroll.html`	Pass	1 / 1
`clip-path/clip-path-shape-001.html`	Pass	1 / 1
`clip-path/clip-path-shape-002-units.html`	Pass	1 / 1
`clip-path/clip-path-shape-002.html`	Pass	1 / 1
`clip-path/clip-path-shape-003.html`	Pass	1 / 1
`clip-path/clip-path-shape-004.html`	Pass	1 / 1
`clip-path/clip-path-shape-005.html`	Pass	1 / 1
`clip-path/clip-path-shape-006.html`	Pass	1 / 1
`clip-path/clip-path-shape-007.html`	Pass	1 / 1
`clip-path/clip-path-shape-008.html`	Pass	1 / 1
`clip-path/clip-path-shape-009.html`	Pass	1 / 1
`clip-path/clip-path-shape-010.html`	Pass	1 / 1
`clip-path/clip-path-shape-011.html`	Fail	0 / 1	BUG	the coverage of the antialiased edges is the exact area of the pixels, which differs slightly from the one of the browsers the fuzziness of the test is tuned for: 134 pixels of the arcs differ (by up to 31), 128 are allowed
`clip-path/clip-path-shape-foreignobject-non-zero-xy.html`	Pass	1 / 1
`clip-path/clip-path-shape-hline-vline-keywords.html`	Pass	1 / 1
`clip-path/clip-path-shape-svg-rotated-container.html`	Pass	1 / 1
`clip-path/clip-path-shape-svg-rotated-shape.html`	Pass	1 / 1
`clip-path/clip-path-shape-svg-scaled-shape.html`	Pass	1 / 1
`clip-path/clip-path-shape-svg-view-box-rotated-shape.html`	Pass	1 / 1
`clip-path/clip-path-shape-svg-view-box-scaled-shape.html`	Pass	1 / 1
`clip-path/clip-path-shape-winding.html`	Pass	1 / 1
`clip-path/clip-path-stacking-context-001.html`	Pass	1 / 1
`clip-path/clip-path-strokeBox-1a.html`	Pass	1 / 1
`clip-path/clip-path-strokeBox-1b.html`	Pass	1 / 1
`clip-path/clip-path-strokeBox-1c.html`	Pass	1 / 1
`clip-path/clip-path-svg-invalidate.html`	Pass	1 / 1
`clip-path/clip-path-svg-text-backdrop-filter.html`	Pass	1 / 1
`clip-path/clip-path-svg-text-css.html`	Pass	1 / 1
`clip-path/clip-path-svg-text-font-loading.html`	Pass	1 / 1
`clip-path/clip-path-transform-mutated-001.html`	Pass	1 / 1
`clip-path/clip-path-transform-mutated-002.html`	Pass	1 / 1
`clip-path/clip-path-union-trailing-moveto.html`	Pass	1 / 1
`clip-path/clip-path-url-reference-change-from-empty.html`	Pass	1 / 1
`clip-path/clip-path-url-reference-change.html`	Pass	1 / 1
`clip-path/clip-path-url-reference-data-uri-svg-element.html`	Pass	1 / 1
`clip-path/clip-path-url-reference-empty-while-loading.tentative.html`	Fail	0 / 1	NOT IMPLEMENTED	a `clip-path: url()` that references a clipPath element of another document that is still loading (`support/resources.svg?pipe=trickle(d10)#circleClip`) is an unresolved reference, which does not clip (the red box is painted), while the tentative test expects an empty clip path (everything clipped) while the resource is loading; only Chrome passes
`clip-path/clip-path-url-reference-external-svg-element.html`	Pass	1 / 1
`clip-path/clip-path-url-reference-external.html`	Pass	1 / 1
`clip-path/clip-path-url-reference-svg-foreignobject-zoomed.html`	Pass	1 / 1
`clip-path/clip-path-url-reference-text-clip-no-inherit-after-remove.html`	Pass	2 / 2
`clip-path/clip-path-viewBox-1a.html`	Pass	1 / 1
`clip-path/clip-path-viewBox-1b.html`	Pass	1 / 1
`clip-path/clip-path-viewBox-1c.html`	Pass	1 / 1
`clip-path/clip-path-viewBox-1d.html`	Pass	1 / 1
`clip-path/clip-path-with-transform-and-zoom.html`	Pass	1 / 1
`clip-path/clip-path-xywh-001.html`	Pass	1 / 1
`clip-path/clip-path-xywh-002.html`	Pass	1 / 1
`clip-path/clip-path-xywh-003.html`	Pass	1 / 1
`clip-path/reference-local-url-with-base-001.html`	Pass	1 / 1
`clip-path/reference-mutated.html`	Pass	1 / 1
`clip-path/reference-nonexisting-existing-local.html`	Pass	1 / 1
`clip-path/svg-clip-path-circle-offset.html`	Pass	1 / 1
`clip-path/svg-clip-path-ellipse-offset.html`	Pass	1 / 1
`clip-path/svg-clip-path-fixed-values.html`	Pass	1 / 1
`clip-rule/clip-rule-001.html`	Pass	1 / 1
`clip-rule/clip-rule-002.html`	Pass	1 / 1
`clip/clip-absolute-positioned-001.html`	Pass	1 / 1
`clip/clip-absolute-positioned-002.html`	Pass	1 / 1
`clip/clip-filter-order.html`	Pass	1 / 1
`clip/clip-fixed-pos-transform-descendant-001.html`	Pass	1 / 1
`clip/clip-negative-values-001.html`	Pass	1 / 1
`clip/clip-negative-values-002.html`	Pass	1 / 1
`clip/clip-negative-values-003.html`	Pass	1 / 1
`clip/clip-negative-values-004.html`	Pass	1 / 1
`clip/clip-no-clipping-001.html`	Pass	1 / 1
`clip/clip-no-clipping-002.html`	Pass	1 / 1
`clip/clip-no-stacking-context.html`	Pass	1 / 1
`clip/clip-not-absolute-positioned-001.html`	Pass	1 / 1
`clip/clip-not-absolute-positioned-002.html`	Pass	1 / 1
`clip/clip-not-absolute-positioned-003.html`	Pass	1 / 1
`clip/clip-not-absolute-positioned-004.html`	Pass	1 / 1
`clip/clip-rect-auto-001.html`	Pass	1 / 1
`clip/clip-rect-auto-002.html`	Pass	1 / 1
`clip/clip-rect-auto-003.html`	Pass	1 / 1
`clip/clip-rect-auto-004.html`	Pass	1 / 1
`clip/clip-rect-auto-005.html`	Pass	1 / 1
`clip/clip-rect-auto-006.html`	Pass	1 / 1
`clip/clip-rect-comma-001.html`	Pass	1 / 1
`clip/clip-rect-comma-002.html`	Pass	1 / 1
`clip/clip-rect-comma-003.html`	Pass	1 / 1
`clip/clip-rect-comma-004.html`	Pass	1 / 1
`clip/clip-rect-scroll.html`	Pass	1 / 1
`clip/clip-transform-order-2.html`	Pass	1 / 1
`clip/clip-transform-order.html`	Pass	1 / 1
`mask-image/backdrop-filter-bad-mask-image.html`	Pass	1 / 1
`mask-image/backdrop-filter-good-and-bad-mask-image.html`	Pass	1 / 1
`mask-image/backdrop-filter-mask-image-multi-layer-after-load.tentative.html`	Timeout	0 / 1	TEST BUG	the mask image and the probe image that ends the test are served after 10 s (`pipe=trickle(d10)`), the timeout of a reftest without `<meta name=timeout content=long>`: the `reftest-wait` class is removed after the timeout
`mask-image/backdrop-filter-mask-image-multi-layer-while-loading.tentative.html`	Fail	0 / 1	NOT IMPLEMENTED	an element with several `mask-image` layers is expected to be entirely masked while one of the mask images is still loading (`url(...?pipe=trickle(d1000))`), a behavior that CSS Masking does not specify (tentative test); the library ignores the pending layer and paints the element with the other layer (`linear-gradient(black, black)`), so it is fully visible; only Chrome passes
`mask-image/backdrop-filter-mask-image-while-loading.html`	Pass	1 / 1
`mask-image/bad-mask-image-svg-2.html`	Pass	1 / 1
`mask-image/bad-mask-image-svg-3.html`	Pass	1 / 1
`mask-image/bad-mask-image-svg.html`	Pass	1 / 1
`mask-image/bad-mask-image.html`	Pass	1 / 1
`mask-image/mask-clip-1.html`	Pass	1 / 1
`mask-image/mask-clip-2.html`	Pass	1 / 1
`mask-image/mask-clip-3.html`	Pass	1 / 1
`mask-image/mask-clip-4.html`	Pass	1 / 1
`mask-image/mask-clip-5.html`	Pass	1 / 1
`mask-image/mask-clip-6.html`	Pass	1 / 1
`mask-image/mask-clip-7.html`	Pass	1 / 1
`mask-image/mask-clip-8.html`	Pass	1 / 1
`mask-image/mask-composite-1a.html`	Pass	1 / 1
`mask-image/mask-composite-1b.html`	Pass	1 / 1
`mask-image/mask-composite-1c.html`	Pass	1 / 1
`mask-image/mask-composite-1d.html`	Pass	1 / 1
`mask-image/mask-composite-2a.html`	Pass	1 / 1
`mask-image/mask-composite-2b.html`	Pass	1 / 1
`mask-image/mask-composite-2c.html`	Pass	1 / 1
`mask-image/mask-composite-2d.html`	Pass	1 / 1
`mask-image/mask-image-1a.html`	Pass	1 / 1
`mask-image/mask-image-1b.html`	Pass	1 / 1
`mask-image/mask-image-1c.html`	Pass	1 / 1
`mask-image/mask-image-1d.html`	Pass	1 / 1
`mask-image/mask-image-2.html`	Pass	1 / 1
`mask-image/mask-image-3a.html`	Pass	1 / 1
`mask-image/mask-image-3b.html`	Pass	1 / 1
`mask-image/mask-image-3c.html`	Pass	1 / 1
`mask-image/mask-image-3d.html`	Pass	1 / 1
`mask-image/mask-image-3e.html`	Pass	1 / 1
`mask-image/mask-image-3f.html`	Pass	1 / 1
`mask-image/mask-image-3g.html`	Pass	1 / 1
`mask-image/mask-image-3h.html`	Pass	1 / 1
`mask-image/mask-image-3i.html`	Pass	1 / 1
`mask-image/mask-image-4a.html`	Pass	1 / 1
`mask-image/mask-image-4b.html`	Pass	1 / 1
`mask-image/mask-image-5.html`	Pass	1 / 1
`mask-image/mask-image-6.html`	Pass	1 / 1
`mask-image/mask-image-after-backdrop-filter-removal.html`	Pass	1 / 1
`mask-image/mask-image-backdrop-filter-with-border-radius.html`	Pass	1 / 1
`mask-image/mask-image-clip-exclude.html`	Pass	1 / 1
`mask-image/mask-image-cors-001.sub.html`	Pass	1 / 1
`mask-image/mask-image-cross-site-iframe-offset.sub.html`	Pass	1 / 1
`mask-image/mask-image-data-url-image.html`	Pass	1 / 1
`mask-image/mask-image-ib-split-2.html`	Fail	0 / 1	BUG	`mask-image` on an inline box that contains a block (block-in-inline split) in a multi-column container: the mask is only positioned and painted in the (empty) inline fragments: the fragment of the block child in the first column is masked away and its continuation in the second column is painted without mask (plain grey bars instead of the circles of the mask image)
`mask-image/mask-image-ib-split.html`	Fail	0 / 1	BUG	`mask-image` on an inline box that contains a block (block-in-inline split) in a multi-column container: the mask is only positioned and painted in the (empty) inline fragments, so the block child (a 3px bottom border) is masked away entirely instead of being masked by the image; 126 pixels differ
`mask-image/mask-image-inline-sliced-1.html`	Pass	1 / 1
`mask-image/mask-image-multi-layer-while-loading.tentative.html`	Fail	0 / 1	NOT IMPLEMENTED	an element with several `mask-image` layers is expected to be entirely masked while one of the mask images is still loading (`url(...?pipe=trickle(d1000))`), a behavior that CSS Masking does not specify (tentative test); the library ignores the pending layer and paints the element with the other layer (`linear-gradient(black, black)`), so it is fully visible; only Chrome passes
`mask-image/mask-image-svg-child-will-change.html`	Pass	1 / 1
`mask-image/mask-image-svg-foreignobject-zoomed.html`	Pass	1 / 1
`mask-image/mask-image-svg-gradient-zoomed.html`	Pass	1 / 1
`mask-image/mask-image-svg-loading-error.html`	Pass	1 / 1
`mask-image/mask-image-svg-viewport-changed.html`	Pass	1 / 1
`mask-image/mask-image-url-image-hash.html`	Pass	1 / 1
`mask-image/mask-image-url-image.html`	Pass	1 / 1
`mask-image/mask-image-url-local-mask-mutated.html`	Pass	1 / 1
`mask-image/mask-image-url-local-mask.html`	Pass	1 / 1
`mask-image/mask-image-url-remote-mask.html`	Pass	1 / 1
`mask-image/mask-mode-a.html`	Pass	1 / 1
`mask-image/mask-mode-b.html`	Pass	1 / 1
`mask-image/mask-mode-c.html`	Pass	1 / 1
`mask-image/mask-mode-d.html`	Pass	1 / 1
`mask-image/mask-mode-e.html`	Pass	1 / 1
`mask-image/mask-mode-luminance-with-mask-size.html`	Pass	1 / 1
`mask-image/mask-mode-to-mask-type-svg.html`	Pass	1 / 1
`mask-image/mask-mode-to-mask-type.html`	Pass	1 / 1
`mask-image/mask-opacity-1a.html`	Pass	1 / 1
`mask-image/mask-opacity-1b.html`	Pass	1 / 1
`mask-image/mask-opacity-1c.html`	Pass	1 / 1
`mask-image/mask-opacity-1d.html`	Pass	1 / 1
`mask-image/mask-opacity-1e.html`	Pass	1 / 1
`mask-image/mask-origin-1.html`	Pass	1 / 1
`mask-image/mask-origin-3.html`	Pass	1 / 1
`mask-image/mask-position-1a-svg.html`	Pass	1 / 1
`mask-image/mask-position-1a.html`	Pass	1 / 1
`mask-image/mask-position-1b.html`	Pass	1 / 1
`mask-image/mask-position-1c.html`	Pass	1 / 1
`mask-image/mask-position-2a.html`	Pass	1 / 1
`mask-image/mask-position-2b.html`	Pass	1 / 1
`mask-image/mask-position-3a.html`	Pass	1 / 1
`mask-image/mask-position-3b.html`	Pass	1 / 1
`mask-image/mask-position-4a.html`	Pass	1 / 1
`mask-image/mask-position-4b.html`	Pass	1 / 1
`mask-image/mask-position-4c.html`	Pass	1 / 1
`mask-image/mask-position-4d.html`	Pass	1 / 1
`mask-image/mask-position-5.html`	Pass	1 / 1
`mask-image/mask-position-6.html`	Pass	1 / 1
`mask-image/mask-position-7.html`	Pass	1 / 1
`mask-image/mask-position-8.html`	Pass	1 / 1
`mask-image/mask-repeat-1-svg.html`	Pass	1 / 1
`mask-image/mask-repeat-1.html`	Pass	1 / 1
`mask-image/mask-repeat-2-svg.html`	Pass	1 / 1
`mask-image/mask-repeat-2.html`	Pass	1 / 1
`mask-image/mask-repeat-3-svg.html`	Pass	1 / 1
`mask-image/mask-repeat-3.html`	Pass	1 / 1
`mask-image/mask-size-auto-auto.html`	Pass	1 / 1
`mask-image/mask-size-auto-length.html`	Pass	1 / 1
`mask-image/mask-size-auto-percent.html`	Pass	1 / 1
`mask-image/mask-size-auto.html`	Pass	1 / 1
`mask-image/mask-size-contain-clip-border.html`	Pass	1 / 1
`mask-image/mask-size-contain-clip-padding.html`	Pass	1 / 1
`mask-image/mask-size-contain-position-fifty-fifty.html`	Pass	1 / 1
`mask-image/mask-size-contain.html`	Pass	1 / 1
`mask-image/mask-size-cover.html`	Pass	1 / 1
`mask-image/mask-size-length-auto.html`	Pass	1 / 1
`mask-image/mask-size-length-length.html`	Pass	1 / 1
`mask-image/mask-size-length-percent.html`	Pass	1 / 1
`mask-image/mask-size-length.html`	Pass	1 / 1
`mask-image/mask-size-percent-auto.html`	Pass	1 / 1
`mask-image/mask-size-percent-length.html`	Pass	1 / 1
`mask-image/mask-size-percent-percent-stretch.html`	Pass	1 / 1
`mask-image/mask-size-percent-percent.html`	Pass	1 / 1
`mask-image/mask-size-percent.html`	Pass	1 / 1
`mask-image/mask-under-border-radius.html`	Pass	1 / 1
`mask-svg-content/mask-empty-container-with-filter.svg`	Pass	1 / 1
`mask-svg-content/mask-invalid-reference.svg`	Pass	1 / 1
`mask-svg-content/mask-negative-scale.svg`	Pass	1 / 1
`mask-svg-content/mask-on-thin-stroked-path-default.svg`	Pass	1 / 1
`mask-svg-content/mask-on-thin-stroked-path-userspaceonuse.svg`	Pass	1 / 1
`mask-svg-content/mask-text-001.svg`	Pass	1 / 1
`mask-svg-content/mask-type-001.svg`	Pass	1 / 1
`mask-svg-content/mask-type-002.svg`	Pass	1 / 1
`mask-svg-content/mask-type-003.svg`	Pass	1 / 1
`mask-svg-content/mask-with-filter-clipped-to-region.svg`	Pass	1 / 1
`mask-svg-content/mask-with-filter.svg`	Pass	1 / 1
`mask-svg-content/mask-with-rotation.svg`	Pass	1 / 1