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Diffstat (limited to 'testing/web-platform/tests/css/css-properties-values-api/animation/custom-property-transition-inherited-used-by-standard-property.html')
-rw-r--r-- | testing/web-platform/tests/css/css-properties-values-api/animation/custom-property-transition-inherited-used-by-standard-property.html | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-properties-values-api/animation/custom-property-transition-inherited-used-by-standard-property.html b/testing/web-platform/tests/css/css-properties-values-api/animation/custom-property-transition-inherited-used-by-standard-property.html new file mode 100644 index 0000000000..0680722d4a --- /dev/null +++ b/testing/web-platform/tests/css/css-properties-values-api/animation/custom-property-transition-inherited-used-by-standard-property.html @@ -0,0 +1,31 @@ +<!DOCTYPE html> +<link rel="help" href="https://drafts.css-houdini.org/css-properties-values-api-1"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="../resources/utils.js"></script> +<div id="container"> + <div id="target"></div> +</div> +<script> + +test(() => { + const customProperty = "--my-length"; + + CSS.registerProperty({ + name: customProperty, + syntax: "<length>", + inherits: true, + initialValue: "100px" + }); + + target.style.marginLeft = `var(${customProperty})`; + assert_equals(getComputedStyle(target).marginLeft, "100px"); + assert_equals(getComputedStyle(target).getPropertyValue(customProperty), "100px"); + + container.style.transition = `${customProperty} 1s -500ms linear`; + container.style.setProperty(customProperty, "200px"); + + assert_equals(getComputedStyle(target).marginLeft, "150px"); +}, "Running a transition an inherited CSS variable is reflected on a standard property using that variable as a value"); + +</script>
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