Status: FAIL | Duration: 191ms | Subtests: 9/42 | Open test on wpt.live | wpt.fyi
Data from commit:
a50cb89 wpt: run reference-named files which are themselves tests (#836) (2026-09-03)
| Subtest | Status | Message |
|---|---|---|
| CSS Transitions with transition-behavior:allow-discrete: property <mask> from [none] to [url(mask.png)] at (-0.3) should be [none] | PASS | |
| CSS Transitions with transition-behavior:allow-discrete: property <mask> from [none] to [url(mask.png)] at (0) should be [none] | PASS | |
| CSS Transitions with transition-behavior:allow-discrete: property <mask> from [none] to [url(mask.png)] at (0.3) should be [none] | PASS | |
| CSS Transitions with transition-behavior:allow-discrete: property <mask> from [none] to [url(mask.png)] at (0.5) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions with transition-behavior:allow-discrete: property <mask> from [none] to [url(mask.png)] at (0.6) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions with transition-behavior:allow-discrete: property <mask> from [none] to [url(mask.png)] at (1) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions with transition-behavior:allow-discrete: property <mask> from [none] to [url(mask.png)] at (1.5) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask> from [none] to [url(mask.png)] at (-0.3) should be [none] | PASS | |
| CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask> from [none] to [url(mask.png)] at (0) should be [none] | PASS | |
| CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask> from [none] to [url(mask.png)] at (0.3) should be [none] | PASS | |
| CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask> from [none] to [url(mask.png)] at (0.5) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask> from [none] to [url(mask.png)] at (0.6) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask> from [none] to [url(mask.png)] at (1) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <mask> from [none] to [url(mask.png)] at (1.5) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions: property <mask> from [none] to [url(mask.png)] at (-0.3) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions: property <mask> from [none] to [url(mask.png)] at (0) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions: property <mask> from [none] to [url(mask.png)] at (0.3) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions: property <mask> from [none] to [url(mask.png)] at (0.5) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions: property <mask> from [none] to [url(mask.png)] at (0.6) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions: property <mask> from [none] to [url(mask.png)] at (1) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions: property <mask> from [none] to [url(mask.png)] at (1.5) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions with transition: all: property <mask> from [none] to [url(mask.png)] at (-0.3) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions with transition: all: property <mask> from [none] to [url(mask.png)] at (0) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions with transition: all: property <mask> from [none] to [url(mask.png)] at (0.3) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions with transition: all: property <mask> from [none] to [url(mask.png)] at (0.5) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions with transition: all: property <mask> from [none] to [url(mask.png)] at (0.6) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions with transition: all: property <mask> from [none] to [url(mask.png)] at (1) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Transitions with transition: all: property <mask> from [none] to [url(mask.png)] at (1.5) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Animations: property <mask> from [none] to [url(mask.png)] at (-0.3) should be [none] | PASS | |
| CSS Animations: property <mask> from [none] to [url(mask.png)] at (0) should be [none] | PASS | |
| CSS Animations: property <mask> from [none] to [url(mask.png)] at (0.3) should be [none] | PASS | |
| CSS Animations: property <mask> from [none] to [url(mask.png)] at (0.5) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Animations: property <mask> from [none] to [url(mask.png)] at (0.6) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Animations: property <mask> from [none] to [url(mask.png)] at (1) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| CSS Animations: property <mask> from [none] to [url(mask.png)] at (1.5) should be [url(mask.png)] | FAIL | cannot convert 'null' or 'undefined' to object |
| Web Animations: property <mask> from [none] to [url(mask.png)] at (-0.3) should be [none] | FAIL | assert_true: Web Animations should be supported expected true got false |
| Web Animations: property <mask> from [none] to [url(mask.png)] at (0) should be [none] | FAIL | assert_true: Web Animations should be supported expected true got false |
| Web Animations: property <mask> from [none] to [url(mask.png)] at (0.3) should be [none] | FAIL | assert_true: Web Animations should be supported expected true got false |
| Web Animations: property <mask> from [none] to [url(mask.png)] at (0.5) should be [url(mask.png)] | FAIL | assert_true: Web Animations should be supported expected true got false |
| Web Animations: property <mask> from [none] to [url(mask.png)] at (0.6) should be [url(mask.png)] | FAIL | assert_true: Web Animations should be supported expected true got false |
| Web Animations: property <mask> from [none] to [url(mask.png)] at (1) should be [url(mask.png)] | FAIL | assert_true: Web Animations should be supported expected true got false |
| Web Animations: property <mask> from [none] to [url(mask.png)] at (1.5) should be [url(mask.png)] | FAIL | assert_true: Web Animations should be supported expected true got false |
/css/css-masking/animations/mask-no-interpolation.html
<!DOCTYPE html> <link rel=author href="mailto:jarhar@chromium.org"> <link rel=help href="https://drafts.fxtf.org/css-masking/#the-mask"> <link rel=help href="https://github.com/w3c/csswg-drafts/issues/4441"> <link rel=help href="https://drafts.csswg.org/css-transitions-2/#transition-property-property"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="/css/support/interpolation-testcommon.js"></script> <body> <script> test_no_interpolation({ property: 'mask', from: 'none', to: 'url(mask.png)' }); </script>