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Diffstat (limited to 'testing/web-platform/tests/css/css-contain/container-queries/animation-container-size.html')
-rw-r--r-- | testing/web-platform/tests/css/css-contain/container-queries/animation-container-size.html | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-contain/container-queries/animation-container-size.html b/testing/web-platform/tests/css/css-contain/container-queries/animation-container-size.html new file mode 100644 index 0000000000..fefb721cbc --- /dev/null +++ b/testing/web-platform/tests/css/css-contain/container-queries/animation-container-size.html @@ -0,0 +1,43 @@ +<!doctype html> +<title>Container Queries - Animating container size</title> +<link rel="help" href="https://drafts.csswg.org/css-contain-3/#animated-containers"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="support/cq-testcommon.js"></script> +<style> + @keyframes anim { + from { width: 200px; } + to { width: 100px; } + } + #container { + container-type: inline-size; + animation: anim 1s linear paused; + } + #target { + background-color: green; + } + + @container (width: 200px) { + #target { + background-color: blue; + } + } +</style> +<div id=container> + <div id=target> + Test + </div> +</div> +<script> + setup(() => assert_implements_container_queries()); + + test(() => { + assert_equals(getComputedStyle(target).backgroundColor, 'rgb(0, 0, 255)'); + + assert_equals(container.getAnimations().length, 1); + let animation = container.getAnimations()[0]; + animation.currentTime = 500; + + assert_equals(getComputedStyle(target).backgroundColor, 'rgb(0, 128, 0)'); + }, 'Animation affects container query evaluation'); +</script> |