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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /testing/web-platform/tests/css/css-contain/container-queries/transition-style-change-event.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-contain/container-queries/transition-style-change-event.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-contain/container-queries/transition-style-change-event.html | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-contain/container-queries/transition-style-change-event.html b/testing/web-platform/tests/css/css-contain/container-queries/transition-style-change-event.html new file mode 100644 index 0000000000..4cc1772979 --- /dev/null +++ b/testing/web-platform/tests/css/css-contain/container-queries/transition-style-change-event.html @@ -0,0 +1,58 @@ +<!doctype html> +<meta charset="utf-8"> +<title>Container Queries - Style Change Event for transitions</title> +<link rel="help" href="https://drafts.csswg.org/css-transitions/#starting"> +<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> + .container { container-type: size } + #outer { + width: 100px; + color: green; + } + @container (min-width: 200px) { + #inner { color: red } + } + @container (min-width: 400px) { + #target { + color: green; + transition: color 1s step-start; + } + } +</style> +<div id="outer" class="container"> + <div id="inner" class="container"> + <div id="target">Green</div> + </div> +</div> +</div> +<script> + setup(() => assert_implements_container_queries()); + + const t = async_test(""); + const event_handler = t.step_func_done((e) => { + assert_unreached("Transition event incorrectly triggered: " + e.type); + }); + for (let event_name of ["transitionrun", + "transitionstart", + "transitionend", + "transitioncancel"]) { + target.addEventListener(event_name, event_handler); + } + + outer.offsetTop; + // #target is green. Making the #outer container 200px will turn #inner and + // #target red through inheritance. + outer.style.width = "200px"; + // Making #inner 400px will make #target green. + inner.style.width = "400px"; + // Both changes above should happen in one style change event and should not + // trigger any transition events. Run two rAFs to make sure any events have + // time to trigger. + requestAnimationFrame(() => requestAnimationFrame(t.step_func_done(() => { + assert_equals(getComputedStyle(inner).color, "rgb(255, 0, 0)", + "@container queries supported"); + }))); +</script> |